# SafeID vs Syn

The clearest difference is review sentiment: SafeID at 98% against Syn's 70%. Syn's advantage is update cadence (fortnightly vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

SafeID ships an update every 2 months, Syn fortnightly. The most recent releases landed on September 21, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | SafeID | Syn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/safeid/id1464140462/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | **98.0% of reviews** | 70.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 29 MB | 37 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Safeweb Segurança da Informação LTDA](https://appshunter.io/developer/1229949084) | [Syngular ID](https://appshunter.io/developer/1702701596) |

## What reviewers say

### SafeID

[App page](https://appshunter.io/ios/app/safeid/id1464140462)

This app allows you to access and sign documents from your mobile device with legal validity and a timestamp. It also enables signature authorization for other applications and provides access to government services, eliminating the need for physical tokens.

**Highlights:** Sign documents on mobile, Timestamped signatures, Digital certificate usage history, Multi-device synchronization, Signature validation, Access to government portals, Eliminates need for token/card

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SafeID free?

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

### Is Syn free?

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

### Do SafeID or Syn have ads?

Neither SafeID nor Syn shows ads.

### Which is updated more often, SafeID or Syn?

SafeID ships an update every 2 months, and Syn fortnightly. Most recently, SafeID was updated on September 21, 2026 and Syn on September 11, 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.*