# TommaTech vs HBB

The clearest difference is update cadence: HBB at weekly against TommaTech's every 6 weeks. TommaTech's advantage is iOS requirement (11.0 vs 15.6). 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.

TommaTech ships an update every 6 weeks, HBB weekly. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | TommaTech | HBB |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 68 MB | 27 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TommaTech GmbH](https://appshunter.io/developer/1564701290) | [逸鸿 林](https://appshunter.io/developer/1896641881) |

## What reviewers say

### TommaTech

[App page](https://appshunter.io/ios/app/tommatech/id1564701288)

Monitor your inverter's real-time performance, including power generation and consumption. Analyze operational data at a minute level to ensure optimal inverter function.

**Highlights:** Real-time inverter data viewing, Minute-level statistical analysis, Online status tracking, Power generation monitoring, Power consumption tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### HBB

[App page](https://appshunter.io/ios/app/hbb-k/id6769996538)

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

**In-app purchases:** none


## Frequently asked questions

### Is TommaTech free?

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

### Is HBB free?

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

### Do TommaTech or HBB have ads?

Neither TommaTech nor HBB shows ads.

### Which is updated more often, TommaTech or HBB?

TommaTech ships an update every 6 weeks, and HBB weekly. Most recently, TommaTech was updated on October 4, 2026 and HBB on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*