# Fasting Tracker vs H2 flow water fasting

The clearest difference is rating: Fasting Tracker at 4.7 against H2 flow water fasting's 3.4. Fasting Tracker also leads on update cadence (every 3 days vs monthly) and ratings volume (428 vs 5). H2 flow water fasting's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Fasting Tracker sells 4 in-app purchases, starting at $6.99 per 7 days and H2 flow water fasting sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Fasting Tracker holds the better App Store score, 4.7 against 3.4. That said, the two scores are not equally well evidenced: Fasting Tracker has 428 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 61% of Fasting Tracker's written reviews are positive against 50% of H2 flow water fasting's.

Fasting Tracker ships an update every 3 days, H2 flow water fasting monthly. Both last shipped on October 30, 2026.

## The numbers

| Metric | Fasting Tracker | H2 flow water fasting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (428 ratings)](https://appshunter.io/ios/app/fasting-tracker-fastright/id6743002173/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/h2-flow-water-fasting/id6752329005/reviews) |
| Number of ratings | **428** | 5 |
| Positive reviews | **60.9% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 57 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [METKO LABS BILISIM ITHALAT VE IHRACAT TICARET LIMITED SIRKETI](https://appshunter.io/developer/1671640855) | [Martijn Nelissen](https://appshunter.io/developer/1837721404) |

## What reviewers say

### Fasting Tracker

[App page](https://appshunter.io/ios/app/fasting-tracker-fastright/id6743002173)

This app helps you track intermittent fasting with a live timer and preset plans like 16:8. It shows your progress, weight trends, and offers notifications to keep you on track. Unlock advanced insights and features with a premium subscription.

**Highlights:** Live intermittent fasting timer, Preset and custom fasting plans, Fasting zone explanations, Progress tracking and stats, Weight logging and goal setting, Achievements and streaks, Apple Watch integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intermittent Fasting Tracker | $6.99 | per 7 days |
| Intermittent Fasting Tracker | $14.99 | per month |
| Intermittent Fasting Tracker | $29.99 | per year |
| Intermittent Fasting Tracker | $39.99 | per year |


### H2 flow water fasting

[App page](https://appshunter.io/ios/app/h2-flow-water-fasting/id6752329005)

This app guides users through water fasting with hydration tracking and mindful prompts. It offers science-based tools to support metabolic renewal and help users achieve fasting goals, from short to multi-day protocols.

**Highlights:** Hydration tracking, Mindful guidance, Science-based tools, Fasting preparation, Milestone celebration, Metabolic renewal support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| H2Flow Pro Monthly | $2.99 | per month |
| H2Flow Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is Fasting Tracker free?

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

### Is H2 flow water fasting free?

H2 flow water fasting is free to download, with in-app purchases available.

### Which has better reviews, Fasting Tracker or H2 flow water fasting?

Fasting Tracker is rated higher. Fasting Tracker averages 4.7 out of 5 from 428 ratings, while H2 flow water fasting averages 3.4 from 5 ratings.

### Do Fasting Tracker or H2 flow water fasting have ads?

Fasting Tracker shows ads; H2 flow water fasting does not.

### Which is updated more often, Fasting Tracker or H2 flow water fasting?

Fasting Tracker ships an update every 3 days, and H2 flow water fasting monthly. Most recently, Fasting Tracker was updated on October 30, 2026 and H2 flow water fasting on October 30, 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.*