# HaiDi Pro vs TommaTech Connect

The clearest difference is iOS requirement: HaiDi Pro at 12.0 against TommaTech Connect's 15.1. 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 5, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | HaiDi Pro | TommaTech Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/haidi-pro/id6443414754/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 122 MB | 117 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Haidi Energy Tehcnogy Co., Ltd](https://appshunter.io/developer/1645467042) | [TommaTech GmbH](https://appshunter.io/developer/1564701290) |

## What reviewers say

### HaiDi Pro

[App page](https://appshunter.io/ios/app/haidi-pro/id6443414754)

Monitor and manage your lithium battery packs via Bluetooth. View detailed status information, set protection parameters, and receive real-time alerts for abnormalities. Access historical alarm records for troubleshooting.

**Highlights:** Connect via Bluetooth, Read battery pack status, View voltage, current, temperature, Set protection parameters, Receive abnormality alarms, Historical alarm records

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

**In-app purchases:** none


### TommaTech Connect

[App page](https://appshunter.io/ios/app/tommatech-connect/id6756349683)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HaiDi Pro free?

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

### Is TommaTech Connect free?

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

### Do HaiDi Pro or TommaTech Connect have ads?

Neither HaiDi Pro nor TommaTech Connect shows ads.

### Which is updated more often, HaiDi Pro or TommaTech Connect?

HaiDi Pro ships an update every 2 months, and TommaTech Connect every 2 months. Most recently, HaiDi Pro was updated on August 5, 2026 and TommaTech Connect on September 7, 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.*