# OxygenGroup vs ISDA E

The clearest difference is update cadence: ISDA E at every 3 months against OxygenGroup's every 21 months. 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.

OxygenGroup ships an update every 21 months, ISDA E every 3 months. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | OxygenGroup | ISDA E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 3 months** |
| Size | 73 MB | 70 MB |
| Requires iOS | 12.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OXYGEN NEXT FIT SRL SPORTIVA DILETTANTISTICA](https://appshunter.io/developer/1578453104) | [Mario Perricone](https://appshunter.io/developer/1523501305) |

## What reviewers say

### OxygenGroup

[App page](https://appshunter.io/ios/app/oxygengroup/id1578453102)

**Features:** macOS Compatibility

**In-app purchases:** none


### ISDA E

[App page](https://appshunter.io/ios/app/isda-e-learning/id1608171494)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OxygenGroup free?

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

### Is ISDA E free?

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

### Do OxygenGroup or ISDA E have ads?

Neither OxygenGroup nor ISDA E shows ads.

### Which is updated more often, OxygenGroup or ISDA E?

OxygenGroup ships an update every 21 months, and ISDA E every 3 months. Most recently, OxygenGroup was updated on October 20, 2026 and ISDA E on October 9, 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.*