# Prime Notes vs Authenticator App

The clearest difference is update cadence: Prime Notes at every 2 days against Authenticator App's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Prime Notes sells 1 in-app purchase, starting at $4.99 per month and Authenticator App sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Prime Notes ships an update every 2 days, Authenticator App fortnightly. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Prime Notes | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Size | 71 MB | 17 MB |
| Requires iOS | **13.0** | 14 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Samora Media Limited](https://appshunter.io/developer/1784676483) | [Forms](https://appshunter.io/developer/1765480567) |

## What reviewers say

### Prime Notes

[App page](https://appshunter.io/ios/app/prime-notes/id6746328991)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Prime. Stay Private. | $4.99 | per month |


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-secureguard/id6746441080)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Weekly Plan | $5.99 | per 7 days |
| Authenticator Monthly Plan | $19.99 | per month |
| Authenticator Yearly Plan | $39.99 | per year |


## Frequently asked questions

### Is Prime Notes free?

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

### Is Authenticator App free?

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

### Do Prime Notes or Authenticator App have ads?

Neither Prime Notes nor Authenticator App shows ads.

### Which is updated more often, Prime Notes or Authenticator App?

Prime Notes ships an update every 2 days, and Authenticator App fortnightly. Most recently, Prime Notes was updated on September 8, 2026 and Authenticator App 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.*