# AI Calorie Tracker vs Flow

The clearest difference is update cadence: Flow at every 2 days against AI Calorie Tracker's every 8 days. AI Calorie Tracker's advantage is iOS requirement (15.0.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Calorie Tracker sells 3 in-app purchases, starting at $6.99 per month and Flow sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Calorie Tracker ships an update every 8 days, Flow every 2 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AI Calorie Tracker | Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 2 days** |
| Size | 63 MB | 93 MB |
| Requires iOS | **15.0.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Aventive GmbH](https://appshunter.io/developer/1799400727) | [CARLOS OCTAVIO Gonzalez Momita Perez](https://appshunter.io/developer/1881944769) |

## What reviewers say

### AI Calorie Tracker

[App page](https://appshunter.io/ios/app/ai-calorie-tracker-nutrinova/id6742683138)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nutrinova - 1 month | $6.99 | per month |
| Nutrinova - 3 months | $14.99 | per 3 months |
| Nutrinova - 12 months | $39.99 | per year |


### Flow

[App page](https://appshunter.io/ios/app/flow-workout-planner/id6759961742)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.99 | per 7 days |
| Pro Yearly | $49.99 | per year |
| Pro Lifetime | $149.99 | one-time |


## Frequently asked questions

### Is AI Calorie Tracker free?

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

### Is Flow free?

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

### Do AI Calorie Tracker or Flow have ads?

Neither AI Calorie Tracker nor Flow shows ads.

### Which is updated more often, AI Calorie Tracker or Flow?

AI Calorie Tracker ships an update every 8 days, and Flow every 2 days. Most recently, AI Calorie Tracker was updated on October 28, 2026 and Flow on October 25, 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.*