# Dimo vs UniPDF

The clearest difference is in-app purchases: Dimo at none against UniPDF's 5. Dimo also leads on iOS requirement (12.0 vs 15.0). UniPDF's advantage is update cadence (weekly vs every 18 months). On price, ads and device support there is nothing between them.

Both are free to download. UniPDF sells 4 in-app purchases, starting at $7.99 per 7 days. Dimo asks for nothing beyond the download.

Dimo ships an update every 18 months, UniPDF weekly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Dimo | UniPDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Weekly** |
| Size | 40 MB | 45 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [DIMO DIAGNOSTIC](https://appshunter.io/developer/1648456040) | [Touching Interactive](https://appshunter.io/developer/1876718819) |

## What reviewers say

### Dimo

[App page](https://appshunter.io/ios/app/dimo/id6443696976)

**Features:** macOS Compatibility

**In-app purchases:** none


### UniPDF

[App page](https://appshunter.io/ios/app/unipdf-pdf-converter-scanner/id6761981301)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UniPDF: PDF Converter, Scanner | $7.99 | per 7 days |
| Unlimited access | $9.99 | per 7 days |
| Unlimited access | $29.99 | per month |
| Unlimited access | $69.99 | per year |


## Frequently asked questions

### Is Dimo free?

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

### Is UniPDF free?

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

### Do Dimo or UniPDF have ads?

Neither Dimo nor UniPDF shows ads.

### Which is updated more often, Dimo or UniPDF?

Dimo ships an update every 18 months, and UniPDF weekly. Most recently, Dimo was updated on October 27, 2026 and UniPDF on October 31, 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.*