# MetaboNotePro vs Authenticator

The clearest difference is in-app purchases: MetaboNotePro at none against Authenticator's 2. MetaboNotePro also leads on iOS requirement (13.0 vs 18.5). Authenticator's advantage is ads (none vs shown) and update cadence (every 8 days vs every 4 weeks). On price and device support there is nothing between them.

Both are free to download. Authenticator sells 2 in-app purchases, starting at $9.99 per 7 days. MetaboNotePro asks for nothing beyond the download.

MetaboNotePro ships an update every 4 weeks, Authenticator every 8 days. The most recent releases landed on October 3, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | MetaboNotePro | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 8 days** |
| Size | 142 MB | 29 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Han LARAN](https://appshunter.io/developer/1873734746) | [N & W DESIGN LTDA](https://appshunter.io/developer/1860207951) |

## What reviewers say

### MetaboNotePro

[App page](https://appshunter.io/ios/app/metabonotepro/id6758571782)

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

**In-app purchases:** none


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-encrypt-codes/id6760289642)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Instant Unlock | $9.99 | per 7 days |
| Instant Unlock Year | $54.99 | per year |


## Frequently asked questions

### Is MetaboNotePro free?

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

### Is Authenticator free?

Authenticator is free to download, with in-app purchases available.

### Do MetaboNotePro or Authenticator have ads?

MetaboNotePro shows ads; Authenticator does not.

### Which is updated more often, MetaboNotePro or Authenticator?

MetaboNotePro ships an update every 4 weeks, and Authenticator every 8 days. Most recently, MetaboNotePro was updated on October 3, 2026 and Authenticator on September 20, 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.*