# OTA upgrade vs Smart Docx Toolkit

The clearest difference is in-app purchases: OTA upgrade at none against Smart Docx Toolkit's 2. OTA upgrade also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Smart Docx Toolkit sells 2 in-app purchases, starting at $3.99 per month. OTA upgrade asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OTA upgrade | Smart Docx Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Size | 39 MB | 64 MB |
| Requires iOS | **12.1** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [HUIZHOU REDBOX ELECTRONICS CO,.LTD](https://appshunter.io/developer/1693036399) | [Quang Tran](https://appshunter.io/developer/1825037324) |

## What reviewers say

### OTA upgrade

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

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

**In-app purchases:** none


### Smart Docx Toolkit

[App page](https://appshunter.io/ios/app/smart-docx-toolkit/id6749621195)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is OTA upgrade free?

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

### Is Smart Docx Toolkit free?

Smart Docx Toolkit is free to download, with in-app purchases available.

### Do OTA upgrade or Smart Docx Toolkit have ads?

Smart Docx Toolkit shows ads; OTA upgrade does not.

### Which is updated more often, OTA upgrade or Smart Docx Toolkit?

OTA upgrade ships an update every 2 months, and Smart Docx Toolkit every 2 months. Most recently, OTA upgrade was updated on October 10, 2026 and Smart Docx Toolkit on October 25, 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.*