# Promni vs DocScan Converter

The clearest difference is in-app purchases: Promni at none against DocScan Converter's 3. Promni also leads on iOS requirement (12.0 vs 17.0). DocScan Converter's advantage is update cadence (weekly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. DocScan Converter sells 3 in-app purchases, starting at $5.99 per 7 days. Promni asks for nothing beyond the download.

Promni ships an update monthly, DocScan Converter weekly. The most recent releases landed on September 23, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Promni | DocScan Converter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 122 MB | 45 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [维林 李](https://appshunter.io/developer/1102738840) | [朝辉 杨](https://appshunter.io/developer/1883247870) |

## What reviewers say

### Promni

[App page](https://appshunter.io/ios/app/promni/id6758014375)

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

**In-app purchases:** none


### DocScan Converter

[App page](https://appshunter.io/ios/app/docscan-converter/id6761398461)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| week-wares | $5.99 | per 7 days |
| month-wares | $12.99 | per month |
| year-wares | $39.99 | per year |


## Frequently asked questions

### Is Promni free?

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

### Is DocScan Converter free?

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

### Do Promni or DocScan Converter have ads?

Neither Promni nor DocScan Converter shows ads.

### Which is updated more often, Promni or DocScan Converter?

Promni ships an update monthly, and DocScan Converter weekly. Most recently, Promni was updated on September 23, 2026 and DocScan Converter on September 11, 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.*