# ClearFast vs FastLine

The clearest difference is update cadence: FastLine at monthly against ClearFast's every 4 months. ClearFast's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ClearFast sells 2 in-app purchases, starting at $1.99 per month and FastLine sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ClearFast ships an update every 4 months, FastLine monthly. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ClearFast | FastLine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 40 MB | 13 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Janardan Ayachi](https://appshunter.io/developer/1890658992) | [Moaath Othman](https://appshunter.io/developer/866641649) |

## What reviewers say

### 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 |


### FastLine

[App page](https://appshunter.io/ios/app/fastline-fasting-timer/id6780896658)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| FastLine Pro | $19.99 | per year |
| FastLine Pro | $29.99 | one-time |


## Frequently asked questions

### Is ClearFast free?

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

### Is FastLine free?

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

### Do ClearFast or FastLine have ads?

Neither ClearFast nor FastLine shows ads.

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

ClearFast ships an update every 4 months, and FastLine monthly. Most recently, ClearFast was updated on October 5, 2026 and FastLine on October 15, 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.*