# Tenko vs CASL Pro

The clearest difference is update cadence: Tenko at every 2 weeks against CASL Pro's every 17 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.

Tenko ships an update every 2 weeks, CASL Pro every 17 months. The most recent releases landed on October 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Tenko | CASL Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 17 months |
| Monetization | Free | — |
| Size | 19 MB | 74 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexandr Vasyliev](https://appshunter.io/developer/1375599913) | [NAUKOVO-VPROVADZHUVALNA FIRMA VENBEST-LTD, TOV](https://appshunter.io/developer/1384401446) |

## What reviewers say

### Tenko

[App page](https://appshunter.io/ios/app/tenko/id1375599914)

Monitor and control your Tenko boiler remotely. Adjust settings for flexible and convenient usage, and view important information about your boiler's current state.

**Highlights:** Boiler state monitoring, Remote control of settings, Flexible usage options, Convenient operation, View relevant information

**Features:** macOS Compatibility

**In-app purchases:** none


### CASL Pro

[App page](https://appshunter.io/ios/app/casl-pro/id1546362082)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tenko free?

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

### Is CASL Pro free?

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

### Do Tenko or CASL Pro have ads?

Neither Tenko nor CASL Pro shows ads.

### Which is updated more often, Tenko or CASL Pro?

Tenko ships an update every 2 weeks, and CASL Pro every 17 months. Most recently, Tenko was updated on October 7, 2026 and CASL Pro on October 27, 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.*