# Notakey Authenticator vs Astry

The clearest difference is update cadence: Astry at every 5 days against Notakey Authenticator's every 6 weeks. 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.

Notakey Authenticator ships an update every 6 weeks, Astry every 5 days. The most recent releases landed on September 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Notakey Authenticator | Astry |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Size | 89 MB | 38 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Notakey Latvia](https://appshunter.io/developer/1133959982) | [Otodo](https://appshunter.io/developer/1145793421) |

## What reviewers say

### Notakey Authenticator

[App page](https://appshunter.io/ios/app/notakey-authenticator/id1133959983)

**Features:** Vision Pro support

**In-app purchases:** none


### Astry

[App page](https://appshunter.io/ios/app/astry-on-call/id6670343913)

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

**In-app purchases:** none


## Frequently asked questions

### Is Notakey Authenticator free?

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

### Is Astry free?

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

### Do Notakey Authenticator or Astry have ads?

Neither Notakey Authenticator nor Astry shows ads.

### Which is updated more often, Notakey Authenticator or Astry?

Notakey Authenticator ships an update every 6 weeks, and Astry every 5 days. Most recently, Notakey Authenticator was updated on September 7, 2026 and Astry on September 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.*