# Pure Space vs Authenticator

The clearest difference is ads: Pure Space at none against Authenticator's shown. Pure Space also leads on iOS requirement (15.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Pure Space sells 9 in-app purchases, starting at $9.99 per 7 days and Authenticator sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Pure Space ships an update fortnightly, Authenticator every 3 weeks. The most recent releases landed on October 18, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Pure Space | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/pure-space-photo-cleaner/id6802192364/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 50 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [香春 王](https://appshunter.io/developer/6801469326) | [AB INVESTMENT](https://appshunter.io/developer/1804864630) |

## What reviewers say

### Pure Space

[App page](https://appshunter.io/ios/app/pure-space-photo-cleaner/id6802192364)

This app helps you declutter your photo library by identifying and removing duplicate, similar, blurry, and unwanted images. It efficiently organizes your photos to free up valuable storage space on your device.

**Highlights:** Smart Photo Cleanup, Duplicate Photo Finder, Similar Photo Detection, Screenshot Cleanup, Photo Organization, Storage Optimization

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $9.99 | per 7 days |
| Weekly Access | $9.99 | per 7 days |
| Weekly Access | $12.99 | per 7 days |
| Weekly Access | $12.99 | per 7 days |
| Weekly Access | $19.99 | per 7 days |
| Weekly Access | $19.99 | per 7 days |
| Monthly Access | $19.99 | per month |
| Monthly Access | $29.99 | per month |
| Yearly Access | $39.99 | per year |


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-2fa-and-otp-code/id6804613662)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| premium | $5.99 | per 7 days |
| premium | $6.99 | per 7 days |


## Frequently asked questions

### Is Pure Space free?

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

### Is Authenticator free?

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

### Do Pure Space or Authenticator have ads?

Authenticator shows ads; Pure Space does not.

### Which is updated more often, Pure Space or Authenticator?

Pure Space ships an update fortnightly, and Authenticator every 3 weeks. Most recently, Pure Space was updated on October 18, 2026 and Authenticator on October 22, 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.*