# Perfish vs RST

The clearest difference is update cadence: Perfish at every 3 weeks against RST's every 5 months. Perfish also leads on device support and iOS requirement (15.6 vs 17.6). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Perfish ships an update every 3 weeks, RST every 5 months. The most recent releases landed on May 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Perfish | RST |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Size | 85 MB | 4 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Langia IT Solutions AB](https://appshunter.io/developer/1453700711) | [Maceng](https://appshunter.io/developer/489939717) |

## What reviewers say

### Perfish

[App page](https://appshunter.io/ios/app/perfish/id1453700712)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### RST

[App page](https://appshunter.io/ios/app/rst-resultat/id1644127323)

**In-app purchases:** none


## Frequently asked questions

### Is Perfish free?

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

### Is RST free?

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

### Which is updated more often, Perfish or RST?

Perfish ships an update every 3 weeks, and RST every 5 months. Most recently, Perfish was updated on May 17, 2026 and RST on September 16, 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.*