# Cidaas vs 2G

The clearest difference is iOS requirement: 2G at 13.0 against Cidaas's 16.6. 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.

Cidaas ships an update every 6 weeks, 2G every 2 months. The most recent releases landed on December 5, 2025 and May 17, 2026 respectively.

## The numbers

| Metric | Cidaas | 2G |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 114 MB | 111 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WidasConcepts GmbH](https://appshunter.io/developer/1272143891) | [2G energy AG](https://appshunter.io/developer/1658285214) |

## What reviewers say

### Cidaas

[App page](https://appshunter.io/ios/app/cidaas/id1199864806)

**In-app purchases:** none


### 2G

[App page](https://appshunter.io/ios/app/2g-id-authenticator/id1658285212)

**In-app purchases:** none


## Frequently asked questions

### Is Cidaas free?

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

### Is 2G free?

2G is free to download, with no in-app purchases.

### Do Cidaas or 2G have ads?

Neither Cidaas nor 2G shows ads.

### Which is updated more often, Cidaas or 2G?

Cidaas ships an update every 6 weeks, and 2G every 2 months. Most recently, Cidaas was updated on December 5, 2025 and 2G on May 17, 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.*