# AP1 Calibration Tool vs Battery Maintenance

The clearest difference is rating: AP1 Calibration Tool at 5.0 against Battery Maintenance's 4.4. AP1 Calibration Tool also leads on update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (10.0 vs 15.6). Battery Maintenance's advantage is ratings volume (7 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

AP1 Calibration Tool holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 2 and 7 respectively.

AP1 Calibration Tool ships an update every 2 weeks, Battery Maintenance every 5 weeks. The most recent releases landed on October 1, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | AP1 Calibration Tool | Battery Maintenance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ap1-calibration-tool/id1552470016/reviews)** | [4.4 (7 ratings)](https://appshunter.io/ios/app/battery-maintenance/id1578187796/reviews) |
| Number of ratings | 2 | **7** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 44 MB | 28 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SmartWitness USA, LLC](https://appshunter.io/developer/1464606955) | [EMSYS Design LLC](https://appshunter.io/developer/1520092117) |

## What reviewers say

### AP1 Calibration Tool

[App page](https://appshunter.io/ios/app/ap1-calibration-tool/id1552470016)

This tool helps installers adjust camera settings for fleet management solutions. It allows for downloading and uploading settings, rebooting the camera, resetting defaults, and calibrating the G-Sensor. Real-time images assist in optimizing camera angles for peak performance.

**Highlights:** Download settings and images, Upload settings to camera, Reboot camera, Reset to default settings, Initiate G-Sensor calibration, Adjust camera angle with real-time images

**Features:** macOS Compatibility

**In-app purchases:** none


### Battery Maintenance

[App page](https://appshunter.io/ios/app/battery-maintenance/id1578187796)

This app works with a specific device to offer comprehensive battery testing. It generates detailed reports for users, providing insights into battery performance. Designed for business use, it enhances the functionality of the EMSYS Battery Tester.

**Highlights:** Connects with EMSYS Battery Tester device, Provides complete battery testing experience, Delivers detailed battery reports, Enhances battery diagnostic capabilities, Business-focused utility

**In-app purchases:** none


## Frequently asked questions

### Is AP1 Calibration Tool free?

AP1 Calibration Tool is free to download, with no in-app purchases.

### Is Battery Maintenance free?

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

### Which has better reviews, AP1 Calibration Tool or Battery Maintenance?

AP1 Calibration Tool is rated higher. AP1 Calibration Tool averages 5.0 out of 5 from 2 ratings, while Battery Maintenance averages 4.4 from 7 ratings.

### Do AP1 Calibration Tool or Battery Maintenance have ads?

Neither AP1 Calibration Tool nor Battery Maintenance shows ads.

### Which is updated more often, AP1 Calibration Tool or Battery Maintenance?

AP1 Calibration Tool ships an update every 2 weeks, and Battery Maintenance every 5 weeks. Most recently, AP1 Calibration Tool was updated on October 1, 2026 and Battery Maintenance on September 15, 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.*