# PerfectFast vs DeepFast

The clearest difference is review sentiment: PerfectFast at 100% against DeepFast's 0%. PerfectFast also leads on rating (5.0 vs 1.0) and in-app purchases (none vs 2). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. DeepFast sells 2 in-app purchases, starting at $4.99 per month. PerfectFast asks for nothing beyond the download.

PerfectFast holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 100% of PerfectFast's written reviews are positive against 0% of DeepFast's.

PerfectFast ships an update every 10 days, DeepFast every 3 weeks. The most recent releases landed on October 3, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | PerfectFast | DeepFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/perfectfast/id6759067877/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/deepfast-omad-fasting-timer/id6762030117/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | **Free** | Subscription |
| Size | 27 MB | 10 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Idan Lupinsky](https://appshunter.io/developer/1876630037) | [Thomas Panas](https://appshunter.io/developer/1203815623) |

## What reviewers say

### PerfectFast

[App page](https://appshunter.io/ios/app/perfectfast/id6759067877)

This app helps you track intermittent and extended fasting periods with a clean, focused interface. It supports various fasting schedules, custom durations, and provides detailed history and statistics to monitor your progress.

**Highlights:** Intermittent and extended fast tracking, Custom fasting schedules, Fasting history and statistics, Reminders and notifications, Apple Watch companion app, Live Activity support

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

**In-app purchases:** none


### 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 PerfectFast free?

PerfectFast is free to download, with no in-app purchases.

### Is DeepFast free?

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

### Which has better reviews, PerfectFast or DeepFast?

PerfectFast is rated higher. PerfectFast averages 5.0 out of 5 from 2 ratings, while DeepFast averages 1.0 from 1 ratings.

### Do PerfectFast or DeepFast have ads?

Neither PerfectFast nor DeepFast shows ads.

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

PerfectFast ships an update every 10 days, and DeepFast every 3 weeks. Most recently, PerfectFast was updated on October 3, 2026 and DeepFast on September 15, 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.*