# SignSync vs Signa AI

The clearest difference is iOS requirement: SignSync at 12.0 against Signa AI's 16.4. 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.

Both ship on a similar rhythm, roughly every 11 days. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SignSync | Signa AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | Every 11 days |
| Size | 36 MB | 61 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Coding Minds, Inc.](https://appshunter.io/developer/1480612283) | [4K Media](https://appshunter.io/developer/1834334443) |

## What reviewers say

### SignSync

[App page](https://appshunter.io/ios/app/signsync/id6572281582)

**Features:** macOS Compatibility

**In-app purchases:** none


### Signa AI

[App page](https://appshunter.io/ios/app/signa-ai/id6778116730)

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

**In-app purchases:** none


## Frequently asked questions

### Is SignSync free?

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

### Is Signa AI free?

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

### Do SignSync or Signa AI have ads?

Neither SignSync nor Signa AI shows ads.

### Which is updated more often, SignSync or Signa AI?

SignSync ships an update every 11 days, and Signa AI every 11 days. Most recently, SignSync was updated on October 18, 2026 and Signa AI on October 8, 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.*