# OTAMaster vs OTA upgrade

The clearest difference is iOS requirement: OTAMaster at 9.0 against OTA upgrade's 12.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | OTAMaster | OTA upgrade |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 21 MB | 39 MB |
| Requires iOS | **9.0** | 12.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen CooSpo Tech Co., Ltd.](https://appshunter.io/developer/1009201939) | [HUIZHOU REDBOX ELECTRONICS CO,.LTD](https://appshunter.io/developer/1693036399) |

## What reviewers say

### OTAMaster

[App page](https://appshunter.io/ios/app/otamaster/id1502938053)

Easily update the software on your Bluetooth devices. This application provides a straightforward method to ensure your gadgets are running the latest firmware.

**Highlights:** Bluetooth device software updates, Latest firmware installation, Easy-to-use interface, Device compatibility checks

**Features:** macOS Compatibility

**In-app purchases:** none


### OTA upgrade

[App page](https://appshunter.io/ios/app/ota-upgrade/id6450377634)

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

**In-app purchases:** none


## Frequently asked questions

### Is OTAMaster free?

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

### Is OTA upgrade free?

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

### Do OTAMaster or OTA upgrade have ads?

Neither OTAMaster nor OTA upgrade shows ads.

### Which is updated more often, OTAMaster or OTA upgrade?

OTAMaster ships an update every 2 months, and OTA upgrade every 2 months. Most recently, OTAMaster was updated on September 10, 2026 and OTA upgrade on September 11, 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.*