# Calorie Diary vs OttoFit

The clearest difference is ads: OttoFit at none against Calorie Diary's shown. Calorie Diary's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Calorie Diary sells 1 one-off in-app purchase and OttoFit sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Calorie Diary ships an update every 11 days, OttoFit every 3 weeks. The most recent releases landed on October 29, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Calorie Diary | OttoFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ottofit-ai-calorie-tracker/id6768090553/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 31 MB | 10 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [SnowdropSoft](https://appshunter.io/developer/1541796403) | [Pavan Govu](https://appshunter.io/developer/1896537895) |

## What reviewers say

### Calorie Diary

[App page](https://appshunter.io/ios/app/calorie-diary-diet-tracker/id6743460448)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### OttoFit

[App page](https://appshunter.io/ios/app/ottofit-ai-calorie-tracker/id6768090553)

Effortlessly track your daily calorie and macronutrient intake with AI-powered food logging. Simply snap a photo of your meal, scan a barcode, or type your food to get instant nutritional breakdowns. Monitor progress, build streaks, and stay motivated with a charming otter mascot.

**Highlights:** AI photo food scanning, Barcode scanning, Text-based food logging, Calorie and macro tracking, Lock screen progress display, Weight and trend tracking, Daily streak building

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is Calorie Diary free?

Calorie Diary is free to download, with in-app purchases available.

### Is OttoFit free?

OttoFit is free to download, with in-app purchases available.

### Do Calorie Diary or OttoFit have ads?

Calorie Diary shows ads; OttoFit does not.

### Which is updated more often, Calorie Diary or OttoFit?

Calorie Diary ships an update every 11 days, and OttoFit every 3 weeks. Most recently, Calorie Diary was updated on October 29, 2026 and OttoFit on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*