# Dolphin BMS vs Battemax

The clearest difference is iOS requirement: Dolphin BMS at 13.0 against Battemax's 15.6. 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.

Dolphin BMS ships an update fortnightly, Battemax every 3 weeks. The most recent releases landed on September 8, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Dolphin BMS | Battemax |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 51 MB | 33 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [惠州市佰铭诚电子有限公司](https://appshunter.io/developer/1631994436) | [Nanchang Yepai Technology Co., Ltd.](https://appshunter.io/developer/1503296093) |

## What reviewers say

### Dolphin BMS

[App page](https://appshunter.io/ios/app/dolphin-bms/id6746481788)

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

**In-app purchases:** none


### Battemax

[App page](https://appshunter.io/ios/app/battemax/id6747614735)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dolphin BMS free?

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

### Is Battemax free?

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

### Do Dolphin BMS or Battemax have ads?

Neither Dolphin BMS nor Battemax shows ads.

### Which is updated more often, Dolphin BMS or Battemax?

Dolphin BMS ships an update fortnightly, and Battemax every 3 weeks. Most recently, Dolphin BMS was updated on September 8, 2026 and Battemax on September 12, 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.*