# Fast vs Post Przerywany

The clearest difference is ads: Post Przerywany at none against Fast's shown. Post Przerywany also leads on update cadence (every 5 days vs every 9 months). Fast's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Fast sells 2 in-app purchases, starting at $4.99 per month and Post Przerywany sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Fast ships an update every 9 months, Post Przerywany every 5 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Fast | Post Przerywany |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 5 days** |
| Size | 76 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [kota tada](https://appshunter.io/developer/1658942612) | [Arpit Roy](https://appshunter.io/developer/1582461051) |

## What reviewers say

### Fast

[App page](https://appshunter.io/ios/app/fast-fasting-timer/id6743695812)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


### Post Przerywany

[App page](https://appshunter.io/ios/app/post-przerywany-okno/id6800475440)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $17.99 | per year |
| Premium Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is Fast free?

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

### Is Post Przerywany free?

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

### Do Fast or Post Przerywany have ads?

Fast shows ads; Post Przerywany does not.

### Which is updated more often, Fast or Post Przerywany?

Fast ships an update every 9 months, and Post Przerywany every 5 days. Most recently, Fast was updated on October 30, 2026 and Post Przerywany on October 31, 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.*