# DeepFast vs Waterfaster

DeepFast and Waterfaster are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. DeepFast sells 2 in-app purchases, starting at $4.99 per month and Waterfaster sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DeepFast ships an update every 3 weeks, Waterfaster every 11 days. The most recent releases landed on September 15, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | DeepFast | Waterfaster |
| --- | --- | --- |
| 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 3 weeks | **Every 11 days** |
| Monetization | Subscription | — |
| Size | 10 MB | 59 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Thomas Panas](https://appshunter.io/developer/1203815623) | [AMIT Solutions](https://appshunter.io/developer/1892726088) |

## What reviewers say

### 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 |


### Waterfaster

[App page](https://appshunter.io/ios/app/waterfaster-fasting-tracker/id6762065095)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Waterfaster+ | $3.99 | per 7 days |
| Waterfaster+ | $44.99 | per year |
| Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is DeepFast free?

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

### Is Waterfaster free?

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

### Do DeepFast or Waterfaster have ads?

Neither DeepFast nor Waterfaster shows ads.

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

DeepFast ships an update every 3 weeks, and Waterfaster every 11 days. Most recently, DeepFast was updated on September 15, 2026 and Waterfaster on August 22, 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.*