# BatteryDisplay vs OPTIMA Lithium Bluetooth

The clearest difference is review sentiment: BatteryDisplay at 100% against OPTIMA Lithium Bluetooth's 0%. BatteryDisplay also leads on rating (4.5 vs 3.7) and update cadence (every 6 weeks vs every 3 months). On price, ratings volume, 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.

BatteryDisplay holds the better App Store score, 4.5 against 3.7. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 100% of BatteryDisplay's written reviews are positive against 0% of OPTIMA Lithium Bluetooth's.

BatteryDisplay ships an update every 6 weeks, OPTIMA Lithium Bluetooth every 3 months. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | BatteryDisplay | OPTIMA Lithium Bluetooth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/batterydisplay/id1476044653/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/optima-lithium-bluetooth/id6453360504/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 12 MB | 42 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Anthony Scappaticci](https://appshunter.io/developer/1242833488) | [Clarios LLC](https://appshunter.io/developer/1481852921) |

## What reviewers say

### BatteryDisplay

[App page](https://appshunter.io/ios/app/batterydisplay/id1476044653)

Monitor the health of your KS2 Lithium Batteries through a Bluetooth interface. This app allows you to view battery status and generate reports for analysis by KS2 Corp.

**Highlights:** Bluetooth battery monitoring, Battery health status, Report generation for KS2 Corp, Interface with KS2 Lithium Batteries

**Features:** macOS Compatibility

**In-app purchases:** none


### OPTIMA Lithium Bluetooth

[App page](https://appshunter.io/ios/app/optima-lithium-bluetooth/id6453360504)

Monitor your battery's real-time status, including charge level, voltage, and temperature. Receive safety alerts and customize battery names for easy identification. Connect wirelessly via Bluetooth for convenient access to all essential battery data.

**Highlights:** Real-time State of Charge (SOC), Real-time battery and cell voltages, Real-time internal battery temperature, Battery safety alerts, Customizable battery names

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BatteryDisplay free?

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

### Is OPTIMA Lithium Bluetooth free?

OPTIMA Lithium Bluetooth is free to download, with no in-app purchases.

### Which has better reviews, BatteryDisplay or OPTIMA Lithium Bluetooth?

BatteryDisplay is rated higher. BatteryDisplay averages 4.5 out of 5 from 2 ratings, while OPTIMA Lithium Bluetooth averages 3.7 from 3 ratings.

### Do BatteryDisplay or OPTIMA Lithium Bluetooth have ads?

Neither BatteryDisplay nor OPTIMA Lithium Bluetooth shows ads.

### Which is updated more often, BatteryDisplay or OPTIMA Lithium Bluetooth?

BatteryDisplay ships an update every 6 weeks, and OPTIMA Lithium Bluetooth every 3 months. Most recently, BatteryDisplay was updated on October 5, 2026 and OPTIMA Lithium Bluetooth on September 30, 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.*