# Optix C2 vs TEMPEX Service

The clearest difference is update cadence: Optix C2 at every 2 months against TEMPEX Service's every 5 months. Optix C2 also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Optix C2 ships an update every 2 months, TEMPEX Service every 5 months. The most recent releases landed on September 19, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | Optix C2 | TEMPEX Service |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 264 MB | 23 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitehog](https://appshunter.io/developer/1636262722) | [TEMPEX EOOD](https://appshunter.io/developer/1535394311) |

## What reviewers say

### Optix C2

[App page](https://appshunter.io/ios/app/optix-c2/id6479258403)

**Features:** macOS Compatibility

**In-app purchases:** none


### TEMPEX Service

[App page](https://appshunter.io/ios/app/tempex-service/id6505078812)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Optix C2 free?

Optix C2 is free to download, with no in-app purchases.

### Is TEMPEX Service free?

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

### Do Optix C2 or TEMPEX Service have ads?

Neither Optix C2 nor TEMPEX Service shows ads.

### Which is updated more often, Optix C2 or TEMPEX Service?

Optix C2 ships an update every 2 months, and TEMPEX Service every 5 months. Most recently, Optix C2 was updated on September 19, 2026 and TEMPEX Service on June 9, 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.*