# TrueFast vs ClearFast

The clearest difference is update cadence: TrueFast at every 6 days against ClearFast's every 4 months. ClearFast's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TrueFast sells 6 in-app purchases, starting at $2.99 per month and ClearFast sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

TrueFast ships an update every 6 days, ClearFast every 4 months. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | TrueFast | ClearFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/truefast/id6762436547/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 4 months |
| Monetization | Freemium | — |
| Size | 6 MB | 40 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Evan Mattson](https://appshunter.io/developer/1887047359) | [Janardan Ayachi](https://appshunter.io/developer/1890658992) |

## What reviewers say

### TrueFast

[App page](https://appshunter.io/ios/app/truefast/id6762436547)

Track your intermittent fasting journey with a clean, ad-free interface. Monitor your progress, set personalized goals, and access educational content. Offers seamless integration with Apple Watch and Lock Screen widgets for easy access.

**Highlights:** Fasting timer with elapsed and remaining time, Saved goals for common fasting plans, Schedules and reminders, History calendar, streaks, and badges, Lock Screen widgets and Apple Watch support, Fasting phase education, Local-first data storage

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrueFast Pro Monthly | $2.99 | per month |
| TrueFast Pro Yearly | $19.99 | per year |
| Buy Us a Coffee | $1.99 | one-time |
| Power the Fast | $4.99 | one-time |
| Super Supporter | $9.99 | one-time |
| TrueFast Pro (Lifetime) | $29.99 | one-time |


### ClearFast

[App page](https://appshunter.io/ios/app/clearfast-fasting-timer/id6763855541)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ClearFast Premium Monthly | $1.99 | per month |
| ClearFast Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is TrueFast free?

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

### Is ClearFast free?

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

### Do TrueFast or ClearFast have ads?

Neither TrueFast nor ClearFast shows ads.

### Which is updated more often, TrueFast or ClearFast?

TrueFast ships an update every 6 days, and ClearFast every 4 months. Most recently, TrueFast was updated on October 2, 2026 and ClearFast on October 5, 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.*