# Apollo IoT vs Opis Tech

The clearest difference is ads: Opis Tech at none against Apollo IoT's shown. Opis Tech also leads on iOS requirement (13.0 vs 15.1). Apollo IoT's advantage is update cadence (monthly vs every 4 months). On price, 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.

Apollo IoT ships an update monthly, Opis Tech every 4 months. The most recent releases landed on September 11, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Apollo IoT | Opis Tech |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 4 months |
| Size | 44 MB | 26 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Elkom Yazılım ve Enerji Teknolojileri AŞ](https://appshunter.io/developer/1662834956) | [Alba Bilgi Teknolojileri A.Ş.](https://appshunter.io/developer/1497319691) |

## What reviewers say

### Apollo IoT

[App page](https://appshunter.io/ios/app/apollo-iot/id1662834954)

**Features:** macOS Compatibility

**In-app purchases:** none


### Opis Tech

[App page](https://appshunter.io/ios/app/opis-tech/id6760705368)

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

**In-app purchases:** none


## Frequently asked questions

### Is Apollo IoT free?

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

### Is Opis Tech free?

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

### Do Apollo IoT or Opis Tech have ads?

Apollo IoT shows ads; Opis Tech does not.

### Which is updated more often, Apollo IoT or Opis Tech?

Apollo IoT ships an update monthly, and Opis Tech every 4 months. Most recently, Apollo IoT was updated on September 11, 2026 and Opis Tech on September 7, 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.*