# PassFM vs SL Memory

The clearest difference is review sentiment: PassFM at 48% against SL Memory's 0%. PassFM also leads on rating (3.7 vs 2.5) and ratings volume (9 vs 2). SL Memory's advantage is price (Free vs $2.99) and iOS requirement (9.0 vs 14.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

SL Memory is free to download; PassFM costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PassFM holds the better App Store score, 3.7 against 2.5. Both are backed by a comparable volume of ratings — 9 and 2 respectively. Written reviews point the same way: 48% of PassFM's written reviews are positive against 0% of SL Memory's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | PassFM | SL Memory |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.7 (9 ratings)](https://appshunter.io/ios/app/passfm-private-file-manager/id980936769/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/sl-memory/id1066084698/reviews) |
| Number of ratings | **9** | 2 |
| Positive reviews | **48.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 29 MB | 41 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [刘生 林](https://appshunter.io/developer/948768792) | [Shenzhen Shiling Digital Technology.co., Ltd](https://appshunter.io/developer/1137419218) |

## What reviewers say

### PassFM

[App page](https://appshunter.io/ios/app/passfm-private-file-manager/id980936769)

Securely store and manage your private files, including photos, videos, documents, and notes. This app offers a private browser for safe web activity and allows for easy file import, export, and sharing. Protect your sensitive information with password protection and local storage.

**Highlights:** Password-protected file storage, Private photo and video viewer/player, Built-in private web browser, Import, export, and share files, Private contact and note management, WiFi file transfer

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

**In-app purchases:** none


### SL Memory

[App page](https://appshunter.io/ios/app/sl-memory/id1066084698)

Expand your iOS device's storage without Wi-Fi or network. Seamlessly transfer, view, and manage files between your iOS devices and computers. Enjoy direct media playback and secure file encryption.

**Highlights:** Two-way storage between iOS and PC/Mac, Wi-Fi and network independent, Seamless file transfer, viewing, and sharing, Direct media playback, File encryption, Contacts backup and restore

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PassFM free?

PassFM costs $2.99, with no in-app purchases.

### Is SL Memory free?

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

### Which has better reviews, PassFM or SL Memory?

PassFM is rated higher. PassFM averages 3.7 out of 5 from 9 ratings, while SL Memory averages 2.5 from 2 ratings.

### Do PassFM or SL Memory have ads?

Neither PassFM nor SL Memory shows ads.

### Which is updated more often, PassFM or SL Memory?

PassFM ships an update every 3 months, and SL Memory every 3 months. Most recently, PassFM was updated on October 7, 2026 and SL Memory on September 28, 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.*