# SignBack vs Mejl

The clearest difference is iOS requirement: Mejl at 16.4 against SignBack's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SignBack ships an update every 5 days, Mejl weekly. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | SignBack | Mejl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/signback-sign-pdf-documents/id6779878583/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free | — |
| Size | 8 MB | 62 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Silvergrove Labs LLC](https://appshunter.io/developer/6779878585) | [Niels Segers](https://appshunter.io/developer/6796648500) |

## What reviewers say

### SignBack

[App page](https://appshunter.io/ios/app/signback-sign-pdf-documents/id6779878583)

Effortlessly sign and fill out documents on your device without printing or scanning. Create multiple identities for different roles and use the smart assistant to quickly complete forms. All processing is done locally for maximum privacy.

**Highlights:** 100% free access, Secure local processing, Multiple identities, Smart fast fill assistant, Multi-format support, Sign and send back in one tap, Scan paper documents

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

**In-app purchases:** none


### Mejl

[App page](https://appshunter.io/ios/app/mejl-email-organized/id6796648498)

**Features:** iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is SignBack free?

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

### Is Mejl free?

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

### Do SignBack or Mejl have ads?

Neither SignBack nor Mejl shows ads.

### Which is updated more often, SignBack or Mejl?

SignBack ships an update every 5 days, and Mejl weekly. Most recently, SignBack was updated on October 31, 2026 and Mejl on November 10, 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.*