Indie food diary · built for Apple

A diary that writes you back, once a week.

Nutricio is the calm, native iOS food diary by a solo developer. You log what you eat. Every Sunday, the AI reads it back to you — strengths, slip-ups, and one practical swap. Like a polite weekly letter from a nutritionist.

Download free → See a sample report
Sunday
AI report day
4.4★
App Store rating
4 OS
iOS · iPadOS · macOS · visionOS
0 ads
No tracking, no resale
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Weekly Diet Report Week 24 · Sunday Aug 18
Rx
Avg / day
1,847 kcal
−312 from goal of 2,159
Weight Δ
−0.4 kg
on trend, week 4 of 12
Macro splitP · C · F
Protein 28% Carbs 42% Fat 30%
Anna, your protein hit 138 g — well above target — and Friday's salad streak nudged fiber up 18%. Watch Thursday's sodium spike (3.2 g, the Thai takeout). Try low-sodium tamari next week. — Coach Cal
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Weekly AI nutrition letter
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Native Apple-only design
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Barcode scanner + manual log
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No ads. No resale.
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iCloud sync across devices
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Indie-built, quietly maintained
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Weekly AI nutrition letter
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Native Apple-only design
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Barcode scanner + manual log
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No ads. No resale.
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iCloud sync across devices
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Indie-built, quietly maintained
How it works

Log your week. Read your letter.

Most calorie apps drown you in dashboards. Nutricio asks for one job — log what you eat — and answers with a calm summary on Sunday.

1 Log

Add meals. Search, scan, or favorite.

Search the food database, scan a packaged barcode, or tap a saved favorite. The app remembers what you eat most and surfaces it next time — your private library grows fast in the first month.

Avocado toast ★ FAV · 287 kcal · added 2× today +
2 Track

Calories & macros. Always visible.

One screen shows what you've eaten, what's left of your goal, and the macro split (carbs, protein, fat). No coach popups, no upsells, no overwhelm. Add weight when you weigh in.

TODAY · 1,654 / 2,159 kcal P 98g · C 142g · F 56g
3 Read

Sunday letter. Hand-written feel.

Every Sunday morning, the AI sends a personalized letter: what you nailed, what drifted, the day that went sideways, and one or two practical swaps for the next seven days. Three minutes to read.

Dear Anna, Wk 24
The Sunday report

Less dashboard. More letter.

Nutricio reads your week and writes you back. Plain English, one page, three minutes to read. Here's a real example, anonymized.

Patterns, not just numbers

The algorithm looks at the seven-day arc of your log: calorie drift, macro consistency, micronutrient red flags, repeat foods, and one-off outliers. It writes back about patterns — which is what behavior change actually responds to.

One specific swap per week

Instead of generic "eat more protein" advice, the report names one or two specific items in your actual diary and offers a concrete substitute. Replace the morning bagel three days a week with overnight oats. Cut the second after-dinner snack on weekdays. Simple. Auditable.

Honest tone, no shame

The letter celebrates what worked, names what slipped, and treats you like an adult. The Sunday slot is deliberate — it lands when you're planning groceries, not when you're guilty about a Tuesday cookie.

Stays inside Apple

The report is generated on Apple servers via your app subscription. It is not shared with advertisers, retailers, or third parties. The diary itself syncs through iCloud under your Apple ID — your data, your control.

Honest caveat: Nutricio is not a medical service. The AI report is informational, not clinical. If you have a medical condition, are pregnant, are in recovery from disordered eating, or take medications with dietary interactions, work with a registered dietitian — Nutricio is a complement, not a replacement.
WK24 · Aug 12–18 NUTRICIO REPORT №24
Dear Anna,

Another solid week. You averaged 1,847 kcal / day, a comfortable 312 below your 2,159 goal, and lost 0.4 kg — right on the trend line for week 4 of 12.

The headline win: protein averaged 138 g, well above target. Friday's grain bowl streak nudged fiber up 18% from last month. That's compounding.

One drift: Thursday's sodium hit 3.2 g — the Thai takeout. If that becomes weekly, blood pressure won't love it.

One swap to try this week Order the same dish, ask for sauce on the side, and use half. Or swap soy sauce for low-sodium tamari at home — cuts sodium 40% with no taste loss.
— Coach Cal
Wk
24
2026
Who it fits

Built for the diary-keeper, not the dashboard-watcher.

If MyFitnessPal feels noisy and Cronometer feels like a spreadsheet, Nutricio is the calmer middle option.

Apple loyalists

The Apple-everything user who hates cross-platform compromise.

Native iPhone, iPad, Mac on Apple Silicon, and Vision Pro. Looks at home in your dock. Honors system fonts, dynamic type, and full keyboard support on macOS.

Pairs with: Apple Health, iCloud, Shortcuts, Reminders.
Quiet weight-loss

The person down 8 kg who wants the next 5 to come slowly.

The Sunday report keeps you honest without grinding. No daily streaks, no notifications guilt — just a weekly mirror with one practical action.

Replaces: noisy daily calorie pings, motivational quote popups.
Privacy-first

The user who refuses to feed another wellness data lake.

No ad tracking declared. Data syncs through your own iCloud, not a developer-controlled server. Diagnostics may be collected but not linked to identity per the App Store privacy declaration.

Different from: calorie apps that monetize your log to advertisers.
Indie supporters

The reader who'd rather pay one indie dev than fund another mega-app.

Built by Konstantin Blokhintsev. The Pro tier supports continued development. No funding round timeline pressure, no feature bloat, no enshittification arc.

Trade-off: slower updates, smaller food DB, iOS-only.
Everything inside

A complete food diary, written in Apple's voice.

— Sunday AI report

One Sunday letter. One swap. One week to try.

The headline feature lives here. Personalized prose every Sunday, summarizing your diary, calling out drift, and offering one specific actionable swap to test in the coming seven days.

Dear Anna, — Coach Cal W24
— Macro tracker

Protein, carbs, fat — always visible.

One clean ring, one bar, one number. Tap any meal to see its macro contribution. No 12-axis radar charts.

Protein 28%
Carbs 42%
Fat 30%
— Weight tracker

The chart that doesn't lie.

Tap a weight in. The graph shows trend, not noise. Compares against goal slope. Calmer than a smart scale's app — and doesn't try to sell you a subscription supplement.

— Barcode scanner

Scan packaged. Skip typing.

8 901234
— Favorites

Saved meals. One tap.

♥Avocado toast287
♥Greek yogurt + walnut213
♥Salmon & lentils524
♥Cortado + bran96
— Multi-device

Apple-everywhere.

Native UI on each platform. Log from your watch (via Shortcuts), edit on Mac, review on Vision Pro.

iPhone iPad Mac · Apple Silicon Vision Pro
— Custom database

Your private food library, grown over time.

Add household staples, your specific brand of yogurt, your mom's lasagna recipe. Power users build 200–400 entries in the first month. Everything syncs through iCloud — never touches a developer server.

— Calorie burn

Activity adjustments.

Log a run, lift, or swim. Goal recalculates for the day. No wearable required, but Apple Health integrates if you want.

Honest comparison

Nutricio's sweet spot — and its limits.

Four apps own this space. Nutricio wins on calm, native design, and Sunday-report polish. It loses on cross-platform reach and database depth. Here's the truth.

Capability Nutricio MyFitnessPal Cronometer Cal AI
Weekly AI nutrition letter ✓ Sunday letter No No Inline chat only
Photo-AI meal recognition No ✓ AI scan No ✓ Core feature
Barcode scanner ✓ ✓ Largest DB ✓ ✓
Food database size Moderate, growing ✓ 9M+ entries ✓ Lab-verified AI-driven
Native Apple platforms ✓ iOS · iPad · Mac · VisionOS iOS + web iOS + web iOS first
Android support No ✓ ✓ ✓
iCloud sync (no dev server) ✓ User-owned Server-side Server-side Server-side
Micronutrient depth Basics only Macro-first ✓ 80+ nutrients Macro-first
Ad-free, no data resale ✓ Ad-supported ✓ Pro plan ✓ Sub model
Update cadence Slow, indie Frequent Steady Frequent
Real reviews · the kind one too

What users actually write in.

★★★★★

Just what I was looking for! The Sunday report changed how I think about my own diet. I finally see the Thursday-night pattern I always missed.

App Store reviewer · United States · since v1.0.3
★★★★★

Beautiful native design and the weekly letter is genuinely useful. The food database is smaller than MyFitnessPal so I had to add quite a few custom items in the first weeks — once I did, it became my main app.

Verified user · Honest critical review · 4★
★★★★★

Calm. Quiet. Doesn't shout at me. I have ADHD and the daily streaks in other apps killed my consistency. Nutricio's once-a-week rhythm is sustainable — I'm down 6 kg over four months.

Long-time user · 8 months · Switched from MyFitnessPal
— The disclosure

One developer. Four Apple platforms.

This page is independent — built by Nutricioai.COM as a reference and review site, not by Konstantin Blokhintsev. We wrote it after using the app for a month, and we wanted to be honest about strengths and gaps.

Nutricio first appeared on the App Store in May 2022, published by Konstantin Blokhintsev — an indie iOS developer rather than a company. From the start it has been built native for Apple, with iPad, Mac on Apple Silicon, and visionOS following over the next two years. The visible cadence is slow — version 1.0.6 today, several iterations rather than a rush of versions — which is meaningful both ways: slow updates mean fewer regressions, but also fewer ambitious new features than VC-backed competitors ship.

What's strong: the weekly AI report is the most thoughtful pattern we've seen in a calorie app. Most diary apps drown the user in dashboards; Nutricio collapses the week into a one-page personalized letter and that single design decision changes the relationship with the data. The native Apple build means tracking from Watch via Shortcuts, editing on Mac with full keyboard, and reviewing on Vision Pro all feel like one app instead of three half-ports. iCloud sync means your diary lives under your Apple ID — there is no developer-controlled server holding your food log.

Where it's honestly weaker: no Android version, full stop — that excludes half the world. The food database is smaller than MyFitnessPal's 9-million-entry catalog, so you build a personal library in the first month. There's no photo-AI for meal recognition — if you want to snap a plate and have the calories appear, Cal AI or Nutrio do that, not Nutricio. Pricing transparency on the App Store listing is not great; the Pro tier (the AI report layer) appears in-app rather than being upfront. The update cadence is slow enough that some users wonder if the app is still being developed — the answer is yes, but at indie pace.

For the official developer page, visit nutrioapp.space — note the slightly different brand spelling there. We are not affiliated.

May 2022
Initial App Store launchiPhone-first food diary with calorie counter, barcode scanner, macro tracking, and weight log
2023
iPad + Mac nativeUniversal app for Apple Silicon Macs, optimized for keyboard and trackpad
2024
Vision Pro supportOne of the first calorie diaries built for visionOS — designed for spatial reading
2025
Weekly AI report introducedThe signature Sunday letter feature — pattern detection plus a single specific swap suggestion
2026
Dark theme & refinementsVersion 1.0.6 adds dark theme, bug fixes, minor convenience improvements
Frequently asked

The short, honest answers.

Two things. First, the Sunday AI report — instead of just showing you charts of what you logged, Nutricio reads your week back to you in plain English: what went well, where the diet drifted, which day was the slip-up, and one or two specific swaps to try next week. Second, the app is built natively for Apple platforms only — iPhone, iPad, Mac on Apple Silicon, and Vision Pro — so it feels at home and stays out of your way. The trade-off: no Android, and the food database is smaller than the big VC-backed players.
No. Nutricio is honest about this: there is no photo-recognition AI for meal logging. You enter food manually, search the database, or scan a packaged-good barcode. The AI lives in the weekly report, not in the camera. If you want photo-of-meal logging, MyFitnessPal, Cal AI, or Nutrio do it well. If you want a quieter diary that writes you a thoughtful Sunday letter, Nutricio is the one.
Nutricio is built by Konstantin Blokhintsev, an indie developer. The App Store listing names him directly as the publisher rather than a company. This is meaningful: the app gets fewer updates than VC-backed apps (version 1.0.6 reflects a slower cadence), but it also doesn't sell your data, doesn't run ads, and the design choices stay coherent across releases. It is the calmest food diary in the App Store, and that is by design.
The report lands on Sunday and covers: average calories per day vs your goal, macronutrient split (protein, carbs, fat) for the week, the day that drifted furthest from target, top three foods that hit or missed your nutrition profile, a short hand-written-style commentary identifying patterns the algorithm noticed, and one to three specific swaps to try in the coming week. It reads like a polite letter from a nutritionist, not a stats dashboard.
The default database covers most common foods and many regional products, especially in Europe and the United States. Barcode coverage for packaged goods is solid but smaller than MyFitnessPal's nine-million-entry catalog. You can add custom foods to your private database — recipes, household staples, specific brands — and they sync via iCloud across your devices. Power users typically build a personal library of 200 to 400 entries during the first month.
No. Nutricio is iOS-only — by design, not by oversight. The developer has chosen to ship native for iPhone, iPad, Mac on Apple Silicon, and Apple Vision Pro rather than spread thin across platforms. If you live on Android, the closest equivalents in feel are Cronometer and the Nutrilio app, though their AI reporting works differently.
The base app is free. The weekly AI report and deeper analytics are part of an in-app purchase tier that typically runs at a small monthly fee with a discounted annual option. Pricing transparency on the App Store listing could be sharper — we recommend opening the app and reading the Pro pitch in-context, since Apple regional pricing varies. There is no free trial in the traditional sense; the free tier itself is the trial, and Pro unlocks the AI report layer on top.
Per the App Store privacy declaration: contact info and identifiers may be linked to your identity for account purposes; diagnostics may be collected but not linked. There is no ad-tracking declaration. Your food log is stored in iCloud under your Apple ID rather than on a developer-controlled server, which is meaningfully more private than the larger calorie apps.
Nutricio is on the Apple App Store. There is also a developer-maintained webpage at nutrioapp.space — note the slightly different domain. This page is an independent affiliate review and reference site, not the official developer page. We are not affiliated with Konstantin Blokhintsev.
Sunday
Letter
Inside

Log the week. Read the letter.

A free download. An indie iOS food diary. A polite weekly note from your AI nutrition coach. That's the whole pitch.

Download free → See Pro plan
Nutricio is a consumer food-diary tool, not a medical device or a substitute for advice from a registered dietitian or physician. The weekly AI report is informational and is not clinical nutrition guidance. If you are pregnant, breastfeeding, managing diabetes or another medical condition, in recovery from disordered eating, or take medications with dietary interactions, please consult a qualified healthcare professional before making significant changes to your diet.
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Nutricio — Food Diary Sunday AI report · iOS
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