# SafeID vs Dynamo

The clearest difference is iOS requirement: Dynamo at 12.0 against SafeID's 15.0. 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 2 months. The most recent releases landed on October 13, 2026 and December 12, 2025 respectively.

## The numbers

| Metric | SafeID | Dynamo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (9 ratings)](https://appshunter.io/ios/app/safeid/id1464140462/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 96.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 29 MB | 42 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Safeweb Segurança da Informação LTDA](https://appshunter.io/developer/1229949084) | [KHELPDESK TECHNOLOGY LTDA](https://appshunter.io/developer/1346693189) |

## 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


### Dynamo

[App page](https://appshunter.io/ios/app/dynamo/id1630865890)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SafeID free?

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

### Is Dynamo free?

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

### Do SafeID or Dynamo have ads?

Neither SafeID nor Dynamo shows ads.

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

SafeID ships an update every 2 months, and Dynamo every 2 months. Most recently, SafeID was updated on October 13, 2026 and Dynamo on December 12, 2025.

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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.*