# HydraFast vs DeepFast

The clearest difference is update cadence: DeepFast at every 3 weeks against HydraFast's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. HydraFast sells 6 in-app purchases, starting at $2.99 per month and DeepFast sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

HydraFast ships an update every 6 weeks, DeepFast every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HydraFast | DeepFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/deepfast-omad-fasting-timer/id6762030117/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | — | Subscription |
| Size | 17 MB | 10 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Widjaja](https://appshunter.io/developer/1447878633) | [Thomas Panas](https://appshunter.io/developer/1203815623) |

## What reviewers say

### HydraFast

[App page](https://appshunter.io/ios/app/hydrafast-fasting-and-water/id6754206374)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HydraFast Pro • Monthly | $2.99 | per month |
| HydraFast Pro Family • Monthly | $6.99 | per month |
| HydraFast Pro • Yearly | $24.99 | per year |
| HydraFast Pro Family • Yearly | $59.99 | per year |
| HydraFast Pro • Lifetime | $59.99 | one-time |
| HydraFast Pro Family • Lifetime | $149.99 | one-time |


### DeepFast

[App page](https://appshunter.io/ios/app/deepfast-omad-fasting-timer/id6762030117)

This app provides a dedicated timer for extended fasting periods, focusing on tracking metabolic body phases and personal fasting streaks. It offers detailed insights into your fasting journey without calorie counting or social features.

**Highlights:** Animated fasting timer with progress ring, Presets for OMAD, Warrior, and extended fasts, Metabolic body phase tracking, Streak calendar and history, Weight tracking with Apple Health sync, Smart notifications for phases and milestones

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $29.99 | per year |


## Frequently asked questions

### Is HydraFast free?

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

### Is DeepFast free?

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

### Do HydraFast or DeepFast have ads?

Neither HydraFast nor DeepFast shows ads.

### Which is updated more often, HydraFast or DeepFast?

HydraFast ships an update every 6 weeks, and DeepFast every 3 weeks. Most recently, HydraFast was updated on October 30, 2026 and DeepFast on October 31, 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.*