# ISDA E vs MyDiveLog

The clearest difference is update cadence: MyDiveLog at every 2 days against ISDA E's every 3 months. ISDA E's advantage is iOS requirement (11.0 vs 15.0). 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.

ISDA E ships an update every 3 months, MyDiveLog every 2 days. The most recent releases landed on September 22, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ISDA E | MyDiveLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 70 MB | 8 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Mario Perricone](https://appshunter.io/developer/1523501305) | [Matteo Ferrando](https://appshunter.io/developer/6804439482) |

## What reviewers say

### ISDA E

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

**Features:** macOS Compatibility

**In-app purchases:** none


### MyDiveLog

[App page](https://appshunter.io/ios/app/mydivelog/id6804439480)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ISDA E free?

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

### Is MyDiveLog free?

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

### Do ISDA E or MyDiveLog have ads?

Neither ISDA E nor MyDiveLog shows ads.

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

ISDA E ships an update every 3 months, and MyDiveLog every 2 days. Most recently, ISDA E was updated on September 22, 2026 and MyDiveLog on October 3, 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.*