# Syn vs Master Signer

The clearest difference is update cadence: Syn at every 2 weeks against Master Signer's every 2 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.

Syn ships an update every 2 weeks, Master Signer every 2 months. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Syn | Master Signer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/syn/id6461774561/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 43 MB | 52 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Syngular ID](https://appshunter.io/developer/1702701596) | [Master Legislativo](https://appshunter.io/developer/6788524131) |

## What reviewers say

### Syn

[App page](https://appshunter.io/ios/app/syn/id6461774561)

This app provides secure control over your cloud-based digital certificate. It ensures that only authorized operations, confirmed by your PIN, can be performed with your certificate. You can also use it to audit your account for security and authorized operations.

**Highlights:** Cloud digital certificate management, Exclusive control via mobile app, PIN-based authorization, Security audits, High-security storage (HSM), Operation divergence cancellation

**In-app purchases:** none


### Master Signer

[App page](https://appshunter.io/ios/app/master-signer/id6788524129)

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

**In-app purchases:** none


## Frequently asked questions

### Is Syn free?

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

### Is Master Signer free?

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

### Do Syn or Master Signer have ads?

Neither Syn nor Master Signer shows ads.

### Which is updated more often, Syn or Master Signer?

Syn ships an update every 2 weeks, and Master Signer every 2 months. Most recently, Syn was updated on October 16, 2026 and Master Signer on October 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.*