# BWC for heating system vs arigami

The clearest difference is iOS requirement: BWC for heating system at 12.0 against arigami's 15.0. On price, update cadence, 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.

BWC for heating system ships an update monthly, arigami every 3 weeks. The most recent releases landed on June 5, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | BWC for heating system | arigami |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 9 MB | 26 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Novoseltsev](https://appshunter.io/developer/1300688470) | [Petr Tolochkov](https://appshunter.io/developer/1543945187) |

## What reviewers say

### BWC for heating system

[App page](https://appshunter.io/ios/app/bwc-for-heating-system/id1300688651)

Monitor and control your Buderus heating system remotely. View system information, adjust settings, and receive notifications for alarms and faults. Requires a compatible Buderus Logamatic system and the BWC server communication device.

**Highlights:** Monitor heating system information, Control heating circuit modes, Adjust room set temperatures, Change heating program switching times, View and reset fault messages, Receive system alarm notifications, Graphical display of measurements

**Features:** macOS Compatibility

**In-app purchases:** none


### arigami

[App page](https://appshunter.io/ios/app/arigami/id6738417924)

**In-app purchases:** none


## Frequently asked questions

### Is BWC for heating system free?

BWC for heating system is free to download, with no in-app purchases.

### Is arigami free?

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

### Do BWC for heating system or arigami have ads?

Neither BWC for heating system nor arigami shows ads.

### Which is updated more often, BWC for heating system or arigami?

BWC for heating system ships an update monthly, and arigami every 3 weeks. Most recently, BWC for heating system was updated on June 5, 2026 and arigami on September 8, 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.*