# Retion vs Core IoT App

The clearest difference is in-app purchases: Core IoT App at none against Retion's 3. Core IoT App also leads on iOS requirement (12.0 vs 15.6). Retion's advantage is update cadence (every 10 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Retion sells 3 in-app purchases, starting at $8.99 per month. Core IoT App asks for nothing beyond the download.

Retion ships an update every 10 days, Core IoT App every 2 months. The most recent releases landed on September 14, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Retion | Core IoT App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Size | 104 MB | 50 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BOT SALES TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/6807240739) | [ADT EDUCATION TECHNOLOGY COMPANY LIMITED](https://appshunter.io/developer/1538320096) |

## What reviewers say

### Retion

[App page](https://appshunter.io/ios/app/retion/id6624302624)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite | $8.99 | per month |
| Pro | $21.99 | per month |
| Business | $115.99 | per month |


### Core IoT App

[App page](https://appshunter.io/ios/app/core-iot-app/id6741798294)

**In-app purchases:** none


## Frequently asked questions

### Is Retion free?

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

### Is Core IoT App free?

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

### Do Retion or Core IoT App have ads?

Neither Retion nor Core IoT App shows ads.

### Which is updated more often, Retion or Core IoT App?

Retion ships an update every 10 days, and Core IoT App every 2 months. Most recently, Retion was updated on September 14, 2026 and Core IoT App on May 16, 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.*