# FSSD vs SPEEDISK

The clearest difference is update cadence: SPEEDISK at every 4 weeks against FSSD's every 6 months. 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.

FSSD ships an update every 6 months, SPEEDISK every 4 weeks. The most recent releases landed on September 11, 2026 and May 13, 2026 respectively.

## The numbers

| Metric | FSSD | SPEEDISK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 weeks** |
| Size | 53 MB | 55 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Invincible Four Season Technology Co., Ltd.](https://appshunter.io/developer/1686851585) | [少明 柯](https://appshunter.io/developer/1696279751) |

## What reviewers say

### FSSD

[App page](https://appshunter.io/ios/app/fssd/id6450849738)

**Features:** macOS Compatibility

**In-app purchases:** none


### SPEEDISK

[App page](https://appshunter.io/ios/app/speedisk/id6457254940)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FSSD free?

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

### Is SPEEDISK free?

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

### Do FSSD or SPEEDISK have ads?

Neither FSSD nor SPEEDISK shows ads.

### Which is updated more often, FSSD or SPEEDISK?

FSSD ships an update every 6 months, and SPEEDISK every 4 weeks. Most recently, FSSD was updated on September 11, 2026 and SPEEDISK on May 13, 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.*