# TMU DRM vs AR Onion

The clearest difference is update cadence: AR Onion at every 3 weeks against TMU DRM's every 2 months. TMU DRM's advantage is iOS requirement (14.0 vs 17.6). 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.

TMU DRM ships an update every 2 months, AR Onion every 3 weeks. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TMU DRM | AR Onion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tmu-drm/id6459738851/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 8.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 93 MB | 105 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [D&L Technology Integration And Consulting Joint Stock Company](https://appshunter.io/developer/1436285979) | [Xuan Nguyen](https://appshunter.io/developer/1823838109) |

## What reviewers say

### TMU DRM

[App page](https://appshunter.io/ios/app/tmu-drm/id6459738851)

Access and read digital documents from a library collection on your personal device. Borrow, return, and manage your reading materials with flexible search and offline access.

**Highlights:** Flexible digital document search, Borrow and return e-documents, Manage personal bookshelves, Offline reading support, Renew and return documents, Read document metadata

**Features:** macOS Compatibility

**In-app purchases:** none


### AR Onion

[App page](https://appshunter.io/ios/app/ar-onion/id6748001933)

**In-app purchases:** none


## Frequently asked questions

### Is TMU DRM free?

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

### Is AR Onion free?

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

### Do TMU DRM or AR Onion have ads?

Neither TMU DRM nor AR Onion shows ads.

### Which is updated more often, TMU DRM or AR Onion?

TMU DRM ships an update every 2 months, and AR Onion every 3 weeks. Most recently, TMU DRM was updated on October 22, 2026 and AR Onion 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.*