# Techx Change app vs SEO_optimize

The clearest difference is in-app purchases: Techx Change app at none against SEO_optimize's 1. Techx Change app also leads on ads (none vs shown) and update cadence (weekly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. SEO_optimize sells 1 one-off in-app purchase. Techx Change app asks for nothing beyond the download.

Techx Change app ships an update weekly, SEO_optimize every 3 months. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Techx Change app | SEO_optimize |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 3 months |
| Size | 47 MB | 12 MB |
| Requires iOS | **15.6** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tricksy](https://appshunter.io/developer/1844860650) | [Terje Molle](https://appshunter.io/developer/1841713886) |

## What reviewers say

### Techx Change app

[App page](https://appshunter.io/ios/app/techx-change-app/id6754638253)

**Features:** macOS Compatibility

**In-app purchases:** none


### SEO_optimize

[App page](https://appshunter.io/ios/app/seo-optimize/id6757407386)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SEO Auditor Supporter | $5.99 | one-time |


## Frequently asked questions

### Is Techx Change app free?

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

### Is SEO_optimize free?

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

### Do Techx Change app or SEO_optimize have ads?

SEO_optimize shows ads; Techx Change app does not.

### Which is updated more often, Techx Change app or SEO_optimize?

Techx Change app ships an update weekly, and SEO_optimize every 3 months. Most recently, Techx Change app was updated on October 7, 2026 and SEO_optimize on October 5, 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.*