# SL Memory vs PORTABLE POWER STATION

The clearest difference is update cadence: PORTABLE POWER STATION at every 3 days against SL Memory's every 3 months. SL Memory's advantage is iOS requirement (9.0 vs 11.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SL Memory ships an update every 3 months, PORTABLE POWER STATION every 3 days. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SL Memory | PORTABLE POWER STATION |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/sl-memory/id1066084698/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 41 MB | 33 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Shiling Digital Technology.co., Ltd](https://appshunter.io/developer/1137419218) | [易客创新(泉州)智能科技有限公司](https://appshunter.io/developer/1683294855) |

## What reviewers say

### 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


### PORTABLE POWER STATION

[App page](https://appshunter.io/ios/app/portable-power-station/id6470197306)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SL Memory free?

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

### Is PORTABLE POWER STATION free?

PORTABLE POWER STATION is free to download, with no in-app purchases.

### Do SL Memory or PORTABLE POWER STATION have ads?

Neither SL Memory nor PORTABLE POWER STATION shows ads.

### Which is updated more often, SL Memory or PORTABLE POWER STATION?

SL Memory ships an update every 3 months, and PORTABLE POWER STATION every 3 days. Most recently, SL Memory was updated on October 13, 2026 and PORTABLE POWER STATION on October 9, 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.*