# Fast Slow vs Nomu

The clearest difference is review sentiment: Fast Slow at 100% against Nomu's 86%. Fast Slow also leads on rating (5.0 vs 4.8). Nomu's advantage is update cadence (every 5 days vs every 2 weeks) and device support (4 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Fast Slow sells 4 in-app purchases, starting at $1.99 per 7 days and Nomu sells 5 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Fast Slow holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 39 and 97 respectively. Written reviews point the same way: 100% of Fast Slow's written reviews are positive against 86% of Nomu's.

Fast Slow ships an update every 2 weeks, Nomu every 5 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Fast Slow | Nomu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (39 ratings)](https://appshunter.io/ios/app/fast-slow-fasting-tracker/id6749188352/reviews)** | [4.8 (97 ratings)](https://appshunter.io/ios/app/nomu-intermittent-fasting/id6759592087/reviews) |
| Number of ratings | 39 | **97** |
| Positive reviews | **100.0% of reviews** | 85.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 23 MB | 84 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Zan Cerne](https://appshunter.io/developer/1747198932) | [Tappect LLC](https://appshunter.io/developer/1777272717) |

## What reviewers say

### Fast Slow

[App page](https://appshunter.io/ios/app/fast-slow-fasting-tracker/id6749188352)

Understand your body's metabolic changes during fasting with a visual timeline. This free app guides you through different fasting zones, from digestion to deep ketosis, and offers customizable schedules and smart notifications. It provides stats, streaks, and widgets for easy progress tracking.

**Highlights:** Fasting timer with visual timeline, 6 customizable fasting schedules, 5 distinct fasting zones explained, Smart notifications for fasting windows, Stats, streaks, and trends tracking, Home and Lock Screen widgets, Siri Shortcuts integration

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Legacy | $1.99 | per 7 days |
| Legacy - Yearly | $12.99 | per year |
| Buy Me a Coffee | $2.99 | one-time |
| You're Amazing | $9.99 | one-time |


### Nomu

[App page](https://appshunter.io/ios/app/nomu-intermittent-fasting/id6759592087)

This app simplifies intermittent fasting with a user-friendly timer and progress tracker. It offers popular fasting plans, visual feedback on fasting phases, and a cute companion to keep you motivated. Track your water intake, weight, and BMI with insightful charts.

**Highlights:** Customizable fasting plans, Live fasting phase tracking, Streak and progress tracking, Water intake monitoring, Weight and BMI logging, Adorable companion character

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nomu Pro Weekly | $2.99 | per 7 days |
| Nomu Pro Monthly | $9.99 | per month |
| Nomu Pro Yearly | $19.99 | per year |
| Nomu Pro Yearly | $29.99 | per year |
| Nomu Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Fast Slow free?

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

### Is Nomu free?

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

### Which has better reviews, Fast Slow or Nomu?

Fast Slow is rated higher. Fast Slow averages 5.0 out of 5 from 39 ratings, while Nomu averages 4.8 from 97 ratings.

### Do Fast Slow or Nomu have ads?

Neither Fast Slow nor Nomu shows ads.

### Which is updated more often, Fast Slow or Nomu?

Fast Slow ships an update every 2 weeks, and Nomu every 5 days. Most recently, Fast Slow was updated on October 24, 2026 and Nomu 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.*