# Sunstone Batteriemonitor vs A594DSP

Sunstone Batteriemonitor and A594DSP are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sunstone Batteriemonitor ships an update every 2 months, A594DSP every 5 weeks. The most recent releases landed on September 11, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Sunstone Batteriemonitor | A594DSP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 24 MB | 15 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [志运 陈](https://appshunter.io/developer/942077334) | [杏生 卢](https://appshunter.io/developer/1094592555) |

## What reviewers say

### Sunstone Batteriemonitor

[App page](https://appshunter.io/ios/app/sunstone-batteriemonitor/id1561341696)

Monitor your rechargeable lithium iron phosphate battery's performance with this utility app. It displays various battery parameters and supports both English and German languages.

**Highlights:** Connects to Sunstone Power batteries, Displays battery parameters, Supports English language, Supports German language

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

**In-app purchases:** none


### A594DSP

[App page](https://appshunter.io/ios/app/a594dsp/id1670248501)

**In-app purchases:** none


## Frequently asked questions

### Is Sunstone Batteriemonitor free?

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

### Is A594DSP free?

A594DSP is free to download, with no in-app purchases.

### Do Sunstone Batteriemonitor or A594DSP have ads?

Neither Sunstone Batteriemonitor nor A594DSP shows ads.

### Which is updated more often, Sunstone Batteriemonitor or A594DSP?

Sunstone Batteriemonitor ships an update every 2 months, and A594DSP every 5 weeks. Most recently, Sunstone Batteriemonitor was updated on September 11, 2026 and A594DSP on September 9, 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.*