# KEYMO vs ATS

The clearest difference is update cadence: KEYMO at monthly against ATS's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

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

KEYMO ships an update monthly, ATS every 5 months. The most recent releases landed on October 3, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | KEYMO | ATS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free | — |
| Size | 141 MB | 34 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BYSTAMP](https://appshunter.io/developer/1253026569) | [ASEI CAQUINEAU](https://appshunter.io/developer/1481845338) |

## What reviewers say

### KEYMO

[App page](https://appshunter.io/ios/app/keymo/id1533823438)

Digitally sign and seal documents on your mobile device without an internet connection. This app streamlines document processing by eliminating the need for printing, manual stamping, and scanning, saving time and resources. It utilizes advanced security features for authentic and secure electronic signatures.

**Highlights:** Offline electronic sealing and signing, Eliminates printing and scanning, Advanced security with cryptographic chip, Patented authentication technology, Digital identity vault

**In-app purchases:** none


### ATS

[App page](https://appshunter.io/ios/app/ats-35/id6745556191)

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

**In-app purchases:** none


## Frequently asked questions

### Is KEYMO free?

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

### Is ATS free?

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

### Do KEYMO or ATS have ads?

Neither KEYMO nor ATS shows ads.

### Which is updated more often, KEYMO or ATS?

KEYMO ships an update monthly, and ATS every 5 months. Most recently, KEYMO was updated on October 3, 2026 and ATS on September 28, 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.*