# Flow Fasting Tracker vs PortionCheck

The clearest difference is device support: Flow Fasting Tracker at 3 against PortionCheck's 1. Flow Fasting Tracker also leads on iOS requirement (13.0 vs 27.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Flow Fasting Tracker sells 2 in-app purchases, starting at $7.99 per month and PortionCheck sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Flow Fasting Tracker ships an update every 10 days, PortionCheck every 2 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Flow Fasting Tracker | PortionCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/portioncheck-calorie-tracker/id6788442395/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 16 MB | 16 MB |
| Requires iOS | **13.0** | 27.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kristina Kozicynaite](https://appshunter.io/developer/1882882099) | [WHITE DIGIT LLC](https://appshunter.io/developer/1890324397) |

## What reviewers say

### Flow Fasting Tracker

[App page](https://appshunter.io/ios/app/flow-fasting-tracker/id6776109275)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $7.99 | per month |
| Annual | $39.99 | per year |


### PortionCheck

[App page](https://appshunter.io/ios/app/portioncheck-calorie-tracker/id6788442395)

This app uses AI to quickly track your calorie and macronutrient intake by analyzing food photos, voice input, or barcode scans. It offers personalized targets, progress tracking, and weekly AI-powered insights, all while prioritizing user privacy.

**Highlights:** AI food photo analysis, Voice and text meal logging, Barcode and nutrition label scanning, Macro rings visualization, Personalized calorie and macro targets, Progress tracking and streaks, Weekly AI coaching reports

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PortionCheck Pro | $6.99 | per month |
| PortionCheck Pro (Annual) | $39.99 | per year |
| Pro Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is Flow Fasting Tracker free?

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

### Is PortionCheck free?

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

### Do Flow Fasting Tracker or PortionCheck have ads?

Neither Flow Fasting Tracker nor PortionCheck shows ads.

### Which is updated more often, Flow Fasting Tracker or PortionCheck?

Flow Fasting Tracker ships an update every 10 days, and PortionCheck every 2 weeks. Most recently, Flow Fasting Tracker was updated on October 31, 2026 and PortionCheck on November 5, 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.*