# Fast Slow vs Jihora

The clearest difference is monetization model: Fast Slow at free against Jihora's free with in-app purchases. Fast Slow also leads on ratings volume (39 vs 1). On price, rating, update cadence and ads 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 Jihora sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Fast Slow against 5.0 for Jihora. That said, the two scores are not equally well evidenced: Fast Slow has 39 ratings behind it against 1, so its average is the more settled of the two.

Fast Slow ships an update every 2 weeks, Jihora weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Fast Slow | Jihora |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (39 ratings)](https://appshunter.io/ios/app/fast-slow-fasting-tracker/id6749188352/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/jihora-intermittent-fasting/id6780333849/reviews) |
| Number of ratings | **39** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 8 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Zan Cerne](https://appshunter.io/developer/1747198932) | [JIHO LEE](https://appshunter.io/developer/6780333851) |

## 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 |


### Jihora

[App page](https://appshunter.io/ios/app/jihora-intermittent-fasting/id6780333849)

This app helps you visualize your intermittent fasting progress and achieve your weight goals. It provides daily consistency scores, monthly reports, and tools to track your fasting, water intake, weight, meals, and exercise. Enjoy private data storage and personalized encouragement.

**Highlights:** Goal date projections, Daily consistency score, Monthly transformation reports, Fasting timer with live activity, Water, weight, meal, exercise logs, Private body progress photos, Weekly routine planner

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastWise Pro (Monthly) | $7.99 | per month |
| FastWise Pro (Yearly) | $39.99 | per year |
| FastWise Pro (Lifetime) | $79.99 | one-time |


## Frequently asked questions

### Is Fast Slow free?

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

### Is Jihora free?

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

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

Fast Slow and Jihora are both rated 5.0 out of 5 on the App Store, from 39 and 1 ratings respectively.

### Do Fast Slow or Jihora have ads?

Neither Fast Slow nor Jihora shows ads.

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

Fast Slow ships an update every 2 weeks, and Jihora weekly. Most recently, Fast Slow was updated on October 24, 2026 and Jihora on October 25, 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.*