# Authenticator App vs StampOut

The clearest difference is rating: Authenticator App at 5.0 against StampOut's 4.0. Authenticator App also leads on monetization model (free with in-app purchases vs subscription) and update cadence (every 2 weeks vs every 4 weeks). StampOut's advantage is ratings volume (15 vs 2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Authenticator App sells 3 in-app purchases, starting at $3.99 per month and StampOut sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator App holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: StampOut has 15 ratings behind it against 2, so its average is the more settled of the two.

Authenticator App ships an update every 2 weeks, StampOut every 4 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Authenticator App | StampOut |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/authenticator-app-keyzy/id6748629429/reviews)** | [4.0 (15 ratings)](https://appshunter.io/ios/app/stampout-photo-stamp-camera/id6791968686/reviews) |
| Number of ratings | 2 | **15** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 7 MB | 119 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RETRYTECH LLP](https://appshunter.io/developer/1544420363) | [Essam Harous](https://appshunter.io/developer/1769831339) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-keyzy/id6748629429)

This app generates secure, offline two-factor authentication codes for all your major online accounts. It offers iCloud sync for Apple devices and allows for easy organization and deletion of codes. Upgrade for unlimited accounts and advanced categorization.

**Highlights:** Supports major platforms (Google, Instagram, Facebook, GitHub), Import 2FA codes from screenshots, iCloud Sync across Apple devices, Organize codes into categories, Private and offline code storage, Generates TOTP codes securely

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $12.99 | per year |
| Lifetime | $24.99 | one-time |


### StampOut

[App page](https://appshunter.io/ios/app/stampout-photo-stamp-camera/id6791968686)

Transform photos and videos into collectible postage stamps with authentic perforated edges. Create a visual journal of your memories with various stamp styles, captions, and unique viewing modes. Enjoy a private, offline experience for your personal collection.

**Highlights:** Create stamps from camera, photos, and video frames, Authentic perforated and serrated stamp edges, Classic and full-bleed stamp styles, Add titles, captions, and postmark dates, Calendar, Cards, and Gravity viewing modes, Private, offline-first experience

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StampOut Weekly | $4.99 | per 7 days |
| StampOut yearly | $39.99 | per year |
| stampout lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Authenticator App free?

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

### Is StampOut free?

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

### Which has better reviews, Authenticator App or StampOut?

Authenticator App is rated higher. Authenticator App averages 5.0 out of 5 from 2 ratings, while StampOut averages 4.0 from 15 ratings.

### Do Authenticator App or StampOut have ads?

Neither Authenticator App nor StampOut shows ads.

### Which is updated more often, Authenticator App or StampOut?

Authenticator App ships an update every 2 weeks, and StampOut every 4 weeks. Most recently, Authenticator App was updated on October 30, 2026 and StampOut on October 31, 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.*