# CoapClient vs IETFNext

The clearest difference is update cadence: CoapClient at every 2 months against IETFNext's every 7 months. CoapClient also leads on iOS requirement (8.4 vs 16.6). 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.

CoapClient ships an update every 2 months, IETFNext every 7 months. The most recent releases landed on September 15, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | CoapClient | IETFNext |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Size | 1 MB | 4 MB |
| Requires iOS | **8.4** | 16.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Luca Ceci](https://appshunter.io/developer/923764949) | [Thomas Pusateri](https://appshunter.io/developer/1288747537) |

## What reviewers say

### CoapClient

[App page](https://appshunter.io/ios/app/coapclient/id1052491943)

**Features:** macOS Compatibility

**In-app purchases:** none


### IETFNext

[App page](https://appshunter.io/ios/app/ietfnext/id1659223175)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CoapClient free?

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

### Is IETFNext free?

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

### Do CoapClient or IETFNext have ads?

Neither CoapClient nor IETFNext shows ads.

### Which is updated more often, CoapClient or IETFNext?

CoapClient ships an update every 2 months, and IETFNext every 7 months. Most recently, CoapClient was updated on September 15, 2026 and IETFNext on September 6, 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.*