# ExtMemo vs FreeSpace‑Clean Storage

The clearest difference is update cadence: ExtMemo at every 2 weeks against FreeSpace‑Clean Storage's monthly. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. ExtMemo sells 3 in-app purchases, starting at $2.99 per month and FreeSpace‑Clean Storage sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for ExtMemo against 5.0 for FreeSpace‑Clean Storage. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ExtMemo ships an update every 2 weeks, FreeSpace‑Clean Storage monthly. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | ExtMemo | FreeSpace‑Clean Storage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/extmemo-personal-info-sphere/id6756668335/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/freespaceclean-storage/id6803833455/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 46 MB | 19 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ExtMemo AI Technology (Beijing) Co., Ltd](https://appshunter.io/developer/1855384465) | [海鹏 李](https://appshunter.io/developer/6803803157) |

## What reviewers say

### ExtMemo

[App page](https://appshunter.io/ios/app/extmemo-personal-info-sphere/id6756668335)

Capture, secure, and intelligently recall your ideas with an AI-powered external memory system. Offers end-to-end encryption for absolute privacy and seamless collaboration features. Export your data anytime without vendor lock-in.

**Highlights:** Smart Recall AI, Zero-Knowledge E2EE, Conflict-Free Collaboration, Encrypted Team Sharing, Web and Desktop App, Markdown Data Export, AI-Powered Mind Extension

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annually | $29.99 | per year |
| Linked Note AI | $3.99 | one-time |


### FreeSpace‑Clean Storage

[App page](https://appshunter.io/ios/app/freespaceclean-storage/id6803833455)

This app helps you free up storage space by identifying and removing duplicate photos, oversized videos, and large files from your downloads and documents. It offers media compression and a swipe-to-clean interface for efficient organization.

**Highlights:** Scans downloads, documents, and large files, Finds duplicate and similar photos, Identifies largest videos and screenshots, Compresses media without quality loss, Swipe to clean interface, Analyzes files locally on device

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Access | $4.99 | per 7 days |
| Annual Pro Access | $29.99 | per year |


## Frequently asked questions

### Is ExtMemo free?

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

### Is FreeSpace‑Clean Storage free?

FreeSpace‑Clean Storage is free to download, with in-app purchases available.

### Which has better reviews, ExtMemo or FreeSpace‑Clean Storage?

ExtMemo and FreeSpace‑Clean Storage are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do ExtMemo or FreeSpace‑Clean Storage have ads?

Neither ExtMemo nor FreeSpace‑Clean Storage shows ads.

### Which is updated more often, ExtMemo or FreeSpace‑Clean Storage?

ExtMemo ships an update every 2 weeks, and FreeSpace‑Clean Storage monthly. Most recently, ExtMemo was updated on November 5, 2026 and FreeSpace‑Clean Storage on November 6, 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.*