# DHC Sync vs Halkin App

The clearest difference is device support: DHC Sync at 3 against Halkin App's 1. DHC Sync also leads on iOS requirement (9.0 vs 17.0). 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | DHC Sync | Halkin App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dhc-sync/id1130832650/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 67 MB | 28 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DHC Specialty Corp.](https://appshunter.io/developer/1130832649) | [Halkin Management Company Ltd](https://appshunter.io/developer/1522888426) |

## What reviewers say

### DHC Sync

[App page](https://appshunter.io/ios/app/dhc-sync/id1130832650)

This app connects your Bluetooth battery tester to your smartphone or tablet for advanced battery and system testing. It allows you to perform various battery tests, manage test records, and share detailed reports wirelessly. Experience advanced testing technology with easy Bluetooth pairing and data management.

**Highlights:** Perform Battery/System Test, EV Battery Test, Email/text test records, Bluetooth pairing, Detailed test reports, Test data management, Store 2,000+ test records

**Features:** macOS Compatibility

**In-app purchases:** none


### Halkin App

[App page](https://appshunter.io/ios/app/halkin-app/id1522888424)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DHC Sync free?

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

### Is Halkin App free?

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

### Do DHC Sync or Halkin App have ads?

Neither DHC Sync nor Halkin App shows ads.

### Which is updated more often, DHC Sync or Halkin App?

DHC Sync ships an update every 3 months, and Halkin App every 3 months. Most recently, DHC Sync was updated on October 3, 2026 and Halkin App on October 4, 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.*