# ISL Groop vs CassaWOW

The clearest difference is update cadence: CassaWOW at every 3 weeks against ISL Groop's every 19 months. ISL Groop's advantage is iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

ISL Groop ships an update every 19 months, CassaWOW every 3 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ISL Groop | CassaWOW |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Size | 14 MB | 35 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ISL Online](https://appshunter.io/developer/406473673) | [Dylog Italia SpA](https://appshunter.io/developer/1263841250) |

## What reviewers say

### ISL Groop

[App page](https://appshunter.io/ios/app/isl-groop/id586629371)

**In-app purchases:** none


### CassaWOW

[App page](https://appshunter.io/ios/app/cassawow/id6464317773)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ISL Groop free?

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

### Is CassaWOW free?

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

### Do ISL Groop or CassaWOW have ads?

Neither ISL Groop nor CassaWOW shows ads.

### Which is updated more often, ISL Groop or CassaWOW?

ISL Groop ships an update every 19 months, and CassaWOW every 3 weeks. Most recently, ISL Groop was updated on October 26, 2026 and CassaWOW on October 25, 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.*