# Trelson vs DocsPlus Universal

The clearest difference is in-app purchases: Trelson at none against DocsPlus Universal's 1. Trelson also leads on iOS requirement (15.6 vs 17). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. DocsPlus Universal sells 1 one-off in-app purchase. Trelson asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Trelson | DocsPlus Universal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Size | 6 MB | 177 MB |
| Requires iOS | **15.6** | 17 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trelson AB](https://appshunter.io/developer/1770975622) | [Crick Software](https://appshunter.io/developer/575603436) |

## What reviewers say

### Trelson

[App page](https://appshunter.io/ios/app/trelson/id1437379265)

**Features:** Vision Pro support

**In-app purchases:** none


### DocsPlus Universal

[App page](https://appshunter.io/ios/app/docsplus-universal/id1538000062)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DocsPlus Universal full | $350.00 | one-time |


## Frequently asked questions

### Is Trelson free?

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

### Is DocsPlus Universal free?

DocsPlus Universal is free to download, with in-app purchases available.

### Do Trelson or DocsPlus Universal have ads?

Neither Trelson nor DocsPlus Universal shows ads.

### Which is updated more often, Trelson or DocsPlus Universal?

Trelson ships an update every 6 months, and DocsPlus Universal every 6 months. Most recently, Trelson was updated on October 7, 2026 and DocsPlus Universal on October 1, 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.*