# eSign vs UnitFlow

The clearest difference is in-app purchases: UnitFlow at none against eSign's 2. UnitFlow also leads on iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. eSign sells 2 in-app purchases, starting at $3.99 per 7 days. UnitFlow asks for nothing beyond the download.

## The numbers

| Metric | eSign | UnitFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Size | 9 MB | 19 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Harun Mert Gokcegoz](https://appshunter.io/developer/1770516789) | [SHIM THEE YAP](https://appshunter.io/developer/1855780899) |

## What reviewers say

### eSign

[App page](https://appshunter.io/ios/app/esign-sign-documents-pdf/id6751410913)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Access | $3.99 | per 7 days |
| PRO Lifetime Access | $24.99 | one-time |


### UnitFlow

[App page](https://appshunter.io/ios/app/unitflow-unit-converter/id6755711453)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eSign free?

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

### Is UnitFlow free?

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

### Do eSign or UnitFlow have ads?

Neither eSign nor UnitFlow shows ads.

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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.*