# Oklyn vs ODevice

The clearest difference is update cadence: ODevice at every 2 weeks against Oklyn's every 2 months. Oklyn's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Oklyn ships an update every 2 months, ODevice every 2 weeks. The most recent releases landed on June 1, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Oklyn | ODevice |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 27 MB | 17 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Tuxtla SAS](https://appshunter.io/developer/1679953492) | [Frederic Bonavita](https://appshunter.io/developer/1791583912) |

## What reviewers say

### Oklyn

[App page](https://appshunter.io/ios/app/oklyn/id1364957029)

This app connects to a smart pool device to monitor water quality, optimize filtration, and automate pool maintenance. It allows remote control of pool equipment and provides real-time data and historical analysis for efficient pool care.

**Highlights:** Water quality analysis (pH, RedOx, Temp), Filtration optimization, Automated active winterization, Maintenance advice, Remote pool equipment control, Leak detection in technical room

**Features:** macOS Compatibility

**In-app purchases:** none


### ODevice

[App page](https://appshunter.io/ios/app/odevice/id6740777155)

**In-app purchases:** none


## Frequently asked questions

### Is Oklyn free?

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

### Is ODevice free?

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

### Do Oklyn or ODevice have ads?

Neither Oklyn nor ODevice shows ads.

### Which is updated more often, Oklyn or ODevice?

Oklyn ships an update every 2 months, and ODevice every 2 weeks. Most recently, Oklyn was updated on June 1, 2026 and ODevice on September 18, 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.*