# Fastinja vs Polypep

The clearest difference is in-app purchases: Fastinja at none against Polypep's 4. Fastinja also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Polypep sells 4 in-app purchases, starting at $6.99 per month. Fastinja asks for nothing beyond the download.

## The numbers

| Metric | Fastinja | Polypep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Size | 28 MB | 71 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Pawel Bednarski](https://appshunter.io/developer/1896163395) | [Dal Rupnik](https://appshunter.io/developer/631308099) |

## What reviewers say

### Fastinja

[App page](https://appshunter.io/ios/app/fastinja/id6766015477)

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

**In-app purchases:** none


### Polypep

[App page](https://appshunter.io/ios/app/polypep-peptide-tracker/id6768591859)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $6.99 | per month |
| Ultimate Monthly | $14.99 | per month |
| Pro Yearly | $49.99 | per year |
| Ultimate Yearly | $99.99 | per year |


## Frequently asked questions

### Is Fastinja free?

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

### Is Polypep free?

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

### Do Fastinja or Polypep have ads?

Polypep shows ads; Fastinja does not.

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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.*