# 固件OTA vs SFToolAY

The clearest difference is update cadence: 固件OTA at weekly against SFToolAY's every 6 weeks. 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.

固件OTA ships an update weekly, SFToolAY every 6 weeks. Both last shipped on September 12, 2026.

## The numbers

| Metric | 固件OTA | SFToolAY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Size | 98 MB | 22 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai AsZen Information Technology Co.,Ltd.](https://appshunter.io/developer/1250311881) | [Xiamen AiYin Technology Co.,Ltd](https://appshunter.io/developer/1581813422) |

## What reviewers say

### 固件OTA

[App page](https://appshunter.io/ios/app/ota/id1602339602)

**Features:** macOS Compatibility

**In-app purchases:** none


### SFToolAY

[App page](https://appshunter.io/ios/app/sftoolay/id6504848447)

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

**In-app purchases:** none


## Frequently asked questions

### Is 固件OTA free?

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

### Is SFToolAY free?

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

### Do 固件OTA or SFToolAY have ads?

Neither 固件OTA nor SFToolAY shows ads.

### Which is updated more often, 固件OTA or SFToolAY?

固件OTA ships an update weekly, and SFToolAY every 6 weeks. Most recently, 固件OTA was updated on September 12, 2026 and SFToolAY on September 12, 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.*