# SIAVAL SignApp vs Mi Keio

The clearest difference is update cadence: Mi Keio at every 2 months against SIAVAL SignApp's every 19 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.

SIAVAL SignApp ships an update every 19 months, Mi Keio every 2 months. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | SIAVAL SignApp | Mi Keio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 months** |
| Size | 53 MB | 24 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Mobbeel](https://appshunter.io/developer/610287929) | [PROCONO S.A.](https://appshunter.io/developer/1019419012) |

## What reviewers say

### SIAVAL SignApp

[App page](https://appshunter.io/ios/app/siaval-signapp/id6736728009)

**In-app purchases:** none


### Mi Keio

[App page](https://appshunter.io/ios/app/mi-keio/id6742226205)

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

**In-app purchases:** none


## Frequently asked questions

### Is SIAVAL SignApp free?

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

### Is Mi Keio free?

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

### Do SIAVAL SignApp or Mi Keio have ads?

Neither SIAVAL SignApp nor Mi Keio shows ads.

### Which is updated more often, SIAVAL SignApp or Mi Keio?

SIAVAL SignApp ships an update every 19 months, and Mi Keio every 2 months. Most recently, SIAVAL SignApp was updated on October 10, 2026 and Mi Keio on October 4, 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.*