# RadNet Telecom vs Koi App

The clearest difference is update cadence: Koi App at monthly against RadNet Telecom's every 19 months. RadNet Telecom's advantage is iOS requirement (13.0 vs 15.6). 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.

RadNet Telecom ships an update every 19 months, Koi App monthly. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | RadNet Telecom | Koi App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Monthly** |
| Monetization | Free | — |
| Size | 45 MB | 79 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rafael Machado](https://appshunter.io/developer/1400606916) | [Meinecke Sistemas](https://appshunter.io/developer/1649412116) |

## What reviewers say

### RadNet Telecom

[App page](https://appshunter.io/ios/app/radnet-telecom/id1568163664)

Access your billing history, request duplicate invoices, and make payment promises. The app also allows you to request support and receive important notifications.

**Highlights:** Duplicate invoice retrieval, Financial history view, Support request submission, Payment promise functionality, Notification system

**Features:** macOS Compatibility

**In-app purchases:** none


### Koi App

[App page](https://appshunter.io/ios/app/koi-app/id6450839569)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RadNet Telecom free?

RadNet Telecom is free to download, with no in-app purchases.

### Is Koi App free?

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

### Do RadNet Telecom or Koi App have ads?

Neither RadNet Telecom nor Koi App shows ads.

### Which is updated more often, RadNet Telecom or Koi App?

RadNet Telecom ships an update every 19 months, and Koi App monthly. Most recently, RadNet Telecom was updated on October 3, 2026 and Koi App on October 11, 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.*