# SmartPB vs Injoinic OTA

The clearest difference is iOS requirement: Injoinic OTA at 13.0 against SmartPB's 15.0. 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.

SmartPB ships an update every 2 months, Injoinic OTA every 5 weeks. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SmartPB | Injoinic OTA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 22 MB | 23 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [南京沁恒微电子股份有限公司](https://appshunter.io/developer/1580700719) | [Shenzhen INJOINIC Technology Co.,Ltd.](https://appshunter.io/developer/1742486429) |

## What reviewers say

### SmartPB

[App page](https://appshunter.io/ios/app/smartpb/id6760346150)

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

**In-app purchases:** none


### Injoinic OTA

[App page](https://appshunter.io/ios/app/injoinic-ota/id6760634869)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartPB free?

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

### Is Injoinic OTA free?

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

### Do SmartPB or Injoinic OTA have ads?

Neither SmartPB nor Injoinic OTA shows ads.

### Which is updated more often, SmartPB or Injoinic OTA?

SmartPB ships an update every 2 months, and Injoinic OTA every 5 weeks. Most recently, SmartPB was updated on October 31, 2026 and Injoinic OTA on October 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.*