# ISM Online vs Acadec

The clearest difference is update cadence: ISM Online at every 10 days against Acadec's every 5 weeks. 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.

ISM Online ships an update every 10 days, Acadec every 5 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ISM Online | Acadec |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 weeks |
| Size | 81 MB | 28 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Studi](https://appshunter.io/developer/1128368792) | [ACADEC SUARL](https://appshunter.io/developer/1652725595) |

## What reviewers say

### ISM Online

[App page](https://appshunter.io/ios/app/ism-online/id1555450138)

**Features:** Vision Pro support

**In-app purchases:** none


### Acadec

[App page](https://appshunter.io/ios/app/acadec/id6448538182)

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

**In-app purchases:** none


## Frequently asked questions

### Is ISM Online free?

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

### Is Acadec free?

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

### Do ISM Online or Acadec have ads?

Neither ISM Online nor Acadec shows ads.

### Which is updated more often, ISM Online or Acadec?

ISM Online ships an update every 10 days, and Acadec every 5 weeks. Most recently, ISM Online was updated on November 3, 2026 and Acadec on October 30, 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.*