# Inateck OTA vs Sum

The clearest difference is in-app purchases: Inateck OTA at none against Sum's 2. Sum's advantage is update cadence (every 5 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sum sells 2 in-app purchases, starting at $4.99 per month. Inateck OTA asks for nothing beyond the download.

Inateck OTA ships an update every 3 months, Sum every 5 days. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Inateck OTA | Sum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 21 MB | 32 MB |
| Requires iOS | 13.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [深圳市英纳钛克电子科技有限公司](https://appshunter.io/developer/1686883168) | [Aprilred SRL](https://appshunter.io/developer/1057855420) |

## What reviewers say

### Inateck OTA

[App page](https://appshunter.io/ios/app/inateck-ota/id6483054656)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sum

[App page](https://appshunter.io/ios/app/sum-up/id6753583350)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $4.99 | per month |
| Yearly Premium Subscription | $35.99 | per year |


## Frequently asked questions

### Is Inateck OTA free?

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

### Is Sum free?

Sum is free to download, with in-app purchases available.

### Do Inateck OTA or Sum have ads?

Neither Inateck OTA nor Sum shows ads.

### Which is updated more often, Inateck OTA or Sum?

Inateck OTA ships an update every 3 months, and Sum every 5 days. Most recently, Inateck OTA was updated on November 4, 2026 and Sum on October 30, 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.*