# DDNotes vs IDMA

The clearest difference is update cadence: IDMA at weekly against DDNotes's every 3 weeks. IDMA also leads on device support (4 vs 2). DDNotes's advantage is iOS requirement (9.0 vs 12.0). On price, ads 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.

DDNotes ships an update every 3 weeks, IDMA weekly. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | DDNotes | IDMA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 8 MB | 44 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing SKYG Information Technology Co., Ltd.](https://appshunter.io/developer/1221868812) | [SHANGHAI CREATIVE IDEA ELECTRONIC CO. LTD](https://appshunter.io/developer/1746465823) |

## What reviewers say

### DDNotes

[App page](https://appshunter.io/ios/app/ddnotes/id1571619254)

**Features:** macOS Compatibility

**In-app purchases:** none


### IDMA

[App page](https://appshunter.io/ios/app/idma/id6502690919)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DDNotes free?

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

### Is IDMA free?

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

### Do DDNotes or IDMA have ads?

Neither DDNotes nor IDMA shows ads.

### Which is updated more often, DDNotes or IDMA?

DDNotes ships an update every 3 weeks, and IDMA weekly. Most recently, DDNotes was updated on October 1, 2026 and IDMA on September 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.*