# ANCEL BM300 Pro vs Harmoney

The clearest difference is rating: Harmoney at 5.0 against ANCEL BM300 Pro's 2.8. Harmoney also leads on update cadence (every 9 days vs monthly). ANCEL BM300 Pro's advantage is in-app purchases (none vs 2) and ratings volume (23 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Harmoney sells 2 in-app purchases, starting at $4.00 per month. ANCEL BM300 Pro asks for nothing beyond the download.

Harmoney holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: ANCEL BM300 Pro has 23 ratings behind it against 1, so its average is the more settled of the two.

ANCEL BM300 Pro ships an update monthly, Harmoney every 9 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ANCEL BM300 Pro | Harmoney |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (23 ratings)](https://appshunter.io/ios/app/ancel-bm300-pro/id6476840644/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/harmoney-coparenting-expenses/id6762496607/reviews)** |
| Number of ratings | **23** | 1 |
| Positive reviews | 36.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 68 MB | 55 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OBDSPACE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1434956144) | [Harmoney LLC](https://appshunter.io/developer/1879045181) |

## What reviewers say

### ANCEL BM300 Pro

[App page](https://appshunter.io/ios/app/ancel-bm300-pro/id6476840644)

This app monitors 6V, 12V, and 24V batteries, allowing simultaneous tracking of up to four. It provides insights into battery health by testing startup and charging system voltage, and accurately records vehicle start and stop times. All data is accessible on your phone via Bluetooth for easy vehicle battery management.

**Highlights:** Monitors 6V, 12V, 24V batteries, Simultaneous monitoring of four batteries, Tests startup and charging system voltage, Records vehicle start/stop times, Bluetooth data display on phone, Vehicle battery power management

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Harmoney

[App page](https://appshunter.io/ios/app/harmoney-coparenting-expenses/id6762496607)

This app helps co-parents track and split shared expenses for children, offering a neutral platform to log costs, agree on splits, and view balances. Features include receipt scanning, customizable splits, and expense approval to prevent disputes.

**Highlights:** AI receipt scanning, Customizable expense splits, Live net balance tracking, Expense approval system, Transaction history export, Timestamped logs

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Harmoney Premium | $4.00 | per month |
| Harmoney Premium | $40.00 | per year |


## Frequently asked questions

### Is ANCEL BM300 Pro free?

ANCEL BM300 Pro is free to download, with no in-app purchases.

### Is Harmoney free?

Harmoney is free to download, with in-app purchases available.

### Which has better reviews, ANCEL BM300 Pro or Harmoney?

Harmoney is rated higher. ANCEL BM300 Pro averages 2.8 out of 5 from 23 ratings, while Harmoney averages 5.0 from 1 ratings.

### Do ANCEL BM300 Pro or Harmoney have ads?

Neither ANCEL BM300 Pro nor Harmoney shows ads.

### Which is updated more often, ANCEL BM300 Pro or Harmoney?

ANCEL BM300 Pro ships an update monthly, and Harmoney every 9 days. Most recently, ANCEL BM300 Pro was updated on October 21, 2026 and Harmoney on October 24, 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.*