# OSTConf vs UWR Planer

The clearest difference is update cadence: UWR Planer at every 11 days against OSTConf's every 5 months. 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.

OSTConf ships an update every 5 months, UWR Planer every 11 days. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | OSTConf | UWR Planer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 11 days** |
| Monetization | Free | — |
| Size | 3 MB | 22 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kai-Uwe Sattler](https://appshunter.io/developer/500229044) | [Paul a Brassard](https://appshunter.io/developer/6784654230) |

## What reviewers say

### OSTConf

[App page](https://appshunter.io/ios/app/ostconf/id1404182943)

Configure your dive computer settings and parameters wirelessly. Update date, time, custom text, gas mixes, and deco settings. Compatible with recent Bluetooth-enabled dive computers.

**Highlights:** Read and modify settings, Update date and time, Set custom text, Configure gas mixes, Set deco parameters, Upgrade firmware, Retrieve device information

**Features:** macOS Compatibility

**In-app purchases:** none


### UWR Planer

[App page](https://appshunter.io/ios/app/uwr-planer/id6784654616)

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

**In-app purchases:** none


## Frequently asked questions

### Is OSTConf free?

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

### Is UWR Planer free?

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

### Do OSTConf or UWR Planer have ads?

Neither OSTConf nor UWR Planer shows ads.

### Which is updated more often, OSTConf or UWR Planer?

OSTConf ships an update every 5 months, and UWR Planer every 11 days. Most recently, OSTConf was updated on October 6, 2026 and UWR Planer on October 17, 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.*