# Notakey Authenticator vs Flash To Text

The clearest difference is ads: Notakey Authenticator at none against Flash To Text's shown. Flash To Text's advantage is update cadence (every 4 days vs every 6 weeks) and iOS requirement (12.0 vs 15.0). On price, 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, Flash To Text every 4 days. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Notakey Authenticator | Flash To Text |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Size | 89 MB | 66 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Notakey Latvia](https://appshunter.io/developer/1133959982) | [Atomic Phoenix LLC](https://appshunter.io/developer/1665461646) |

## What reviewers say

### Notakey Authenticator

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

**Features:** Vision Pro support

**In-app purchases:** none


### Flash To Text

[App page](https://appshunter.io/ios/app/flash-to-text/id6467448657)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Notakey Authenticator free?

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

### Is Flash To Text free?

Flash To Text is free to download, with no in-app purchases.

### Do Notakey Authenticator or Flash To Text have ads?

Flash To Text shows ads; Notakey Authenticator does not.

### Which is updated more often, Notakey Authenticator or Flash To Text?

Notakey Authenticator ships an update every 6 weeks, and Flash To Text every 4 days. Most recently, Notakey Authenticator was updated on November 2, 2026 and Flash To Text on October 25, 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.*