# Intermittent Fasting Tracker? vs HYDRA.IO

The clearest difference is update cadence: HYDRA.IO at fortnightly against Intermittent Fasting Tracker?'s every 6 weeks. HYDRA.IO also leads on iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Intermittent Fasting Tracker? sells 3 in-app purchases, starting at $2.99 per month and HYDRA.IO sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Intermittent Fasting Tracker? ships an update every 6 weeks, HYDRA.IO fortnightly. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Intermittent Fasting Tracker? | HYDRA.IO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 16 MB | 25 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [alperen bigin](https://appshunter.io/developer/1744725749) | [Clement Dupre](https://appshunter.io/developer/1887211457) |

## What reviewers say

### Intermittent Fasting Tracker?

[App page](https://appshunter.io/ios/app/intermittent-fasting-tracker/id6781982047)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $2.99 | per month |
| 年間プラン | $17.99 | per year |
| 買い切り | $34.99 | one-time |


### HYDRA.IO

[App page](https://appshunter.io/ios/app/hydraio/id6790794354)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HYDRA Pro | $3.99 | per month |


## Frequently asked questions

### Is Intermittent Fasting Tracker? free?

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

### Is HYDRA.IO free?

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

### Do Intermittent Fasting Tracker? or HYDRA.IO have ads?

Neither Intermittent Fasting Tracker? nor HYDRA.IO shows ads.

### Which is updated more often, Intermittent Fasting Tracker? or HYDRA.IO?

Intermittent Fasting Tracker? ships an update every 6 weeks, and HYDRA.IO fortnightly. Most recently, Intermittent Fasting Tracker? was updated on October 6, 2026 and HYDRA.IO on October 10, 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.*