# Fast Slow vs Finger Tap Test

The clearest difference is in-app purchases: Finger Tap Test at none against Fast Slow's 4. Finger Tap Test also leads on update cadence (every 4 days vs fortnightly). Fast Slow's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Fast Slow sells 4 in-app purchases, starting at $1.99 per 7 days. Finger Tap Test asks for nothing beyond the download.

Fast Slow ships an update fortnightly, Finger Tap Test every 4 days. The most recent releases landed on September 13, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Fast Slow | Finger Tap Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (22 ratings)](https://appshunter.io/ios/app/fast-slow-fasting-tracker/id6749188352/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free | — |
| Size | 19 MB | 9 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zan Cerne](https://appshunter.io/developer/1747198932) | [Cow Cow Technologies LLC](https://appshunter.io/developer/924502488) |

## 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 |


### Finger Tap Test

[App page](https://appshunter.io/ios/app/finger-tap-test-speed-tracker/id6776597071)

**In-app purchases:** none


## Frequently asked questions

### Is Fast Slow free?

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

### Is Finger Tap Test free?

Finger Tap Test is free to download, with no in-app purchases.

### Do Fast Slow or Finger Tap Test have ads?

Finger Tap Test shows ads; Fast Slow does not.

### Which is updated more often, Fast Slow or Finger Tap Test?

Fast Slow ships an update fortnightly, and Finger Tap Test every 4 days. Most recently, Fast Slow was updated on September 13, 2026 and Finger Tap Test on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*