# 168 vs Fast & Slim

The clearest difference is in-app purchases: 168 at none against Fast & Slim's 1. 168 also leads on device support. On price and iOS requirement there is nothing between them.

Both are free to download. Fast & Slim sells 1 one-off in-app purchase. 168 asks for nothing beyond the download.

## The numbers

| Metric | 168 | Fast & Slim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/168-fasting-timer-and-tracker/id6759245615/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 2 weeks | — |
| Monetization | Free | — |
| Size | 4 MB | 7 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad** | — |
| Age rating | 17+ | 4+ |
| Developer | [凌青 张](https://appshunter.io/developer/1872259300) | [Sergi Franquet](https://appshunter.io/developer/1893606234) |

## What reviewers say

### 168

[App page](https://appshunter.io/ios/app/168-fasting-timer-and-tracker/id6759245615)

This app helps you track intermittent fasting with a focus on simplicity and visual progress. It offers scientific dietary advice and integrates seamlessly with dark mode for a comfortable experience.

**Highlights:** Minimalist tracking, Visual progress rings, Weekly/monthly data insights, Scientific dietary advice, Dark mode support

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

**In-app purchases:** none


### Fast & Slim

[App page](https://appshunter.io/ios/app/fast-and-slim/id6762534638)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fast & Slim | $0.99 | one-time |


## Frequently asked questions

### Is 168 free?

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

### Is Fast & Slim free?

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

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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.*