# H2 flow water fasting vs Intermittent Fasting

The clearest difference is rating: Intermittent Fasting at 5.0 against H2 flow water fasting's 3.4. Intermittent Fasting also leads on iOS requirement (13.0 vs 16.4). H2 flow water fasting's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. H2 flow water fasting sells 2 in-app purchases, starting at $2.99 per month and Intermittent Fasting sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Intermittent Fasting holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 5 and 6 respectively.

H2 flow water fasting ships an update monthly, Intermittent Fasting every 2 months. The most recent releases landed on October 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | H2 flow water fasting | Intermittent Fasting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/h2-flow-water-fasting/id6752329005/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/intermittent-fasting-tracker/id6754178036/reviews)** |
| Number of ratings | 5 | **6** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 57 MB | 35 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Martijn Nelissen](https://appshunter.io/developer/1837721404) | [JanoGroup LLC](https://appshunter.io/developer/1781461557) |

## What reviewers say

### 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 |


### Intermittent Fasting

[App page](https://appshunter.io/ios/app/intermittent-fasting-tracker/id6754178036)

Easily track your fasting journey with a simple timer and customizable plans. Monitor progress with stats, streaks, and a calendar to support weight loss and consistent intermittent fasting.

**Highlights:** Simple fasting timer, Popular fasting plans (16:8, OMAD, custom), Stats, streaks, and progress tracking, Fasting calendar and history, Smart reminders

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - Premium | $3.99 | per month |
| Annual - Premium | $24.99 | per year |


## Frequently asked questions

### Is H2 flow water fasting free?

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

### Is Intermittent Fasting free?

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

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

Intermittent Fasting is rated higher. H2 flow water fasting averages 3.4 out of 5 from 5 ratings, while Intermittent Fasting averages 5.0 from 6 ratings.

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

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

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

H2 flow water fasting ships an update monthly, and Intermittent Fasting every 2 months. Most recently, H2 flow water fasting was updated on October 24, 2026 and Intermittent Fasting on September 20, 2026.

---

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