# Mach Ⅸ Voice Control vs Battery Tracker Plus

The clearest difference is review sentiment: Battery Tracker Plus at 50% against Mach Ⅸ Voice Control's 0%. Battery Tracker Plus also leads on rating (2.8 vs 1.4) and update cadence (monthly vs every 5 months). Mach Ⅸ Voice Control's advantage is iOS requirement (9.0 vs 15.6). 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.

Battery Tracker Plus holds the better App Store score, 2.8 against 1.4. Both are backed by a comparable volume of ratings — 5 and 13 respectively. Written reviews point the same way: 0% of Mach Ⅸ Voice Control's written reviews are positive against 50% of Battery Tracker Plus's.

Mach Ⅸ Voice Control ships an update every 5 months, Battery Tracker Plus monthly. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Mach Ⅸ Voice Control | Battery Tracker Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (5 ratings)](https://appshunter.io/ios/app/mach-voice-control/id1484752342/reviews) | **[2.8 (13 ratings)](https://appshunter.io/ios/app/battery-tracker-plus/id6475273387/reviews)** |
| Number of ratings | 5 | **13** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 11 MB | 59 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen Comfort Science & Technology Group](https://appshunter.io/developer/513192015) | [Antigravity Batteries LLC](https://appshunter.io/developer/1450596782) |

## What reviewers say

### Mach Ⅸ Voice Control

[App page](https://appshunter.io/ios/app/mach-voice-control/id1484752342)

Integrate your massage chair's voice control with popular smart home assistants. Control your massage experience hands-free using Google or Alexa.

**Highlights:** Voice control for massage chairs, Google Assistant integration, Alexa integration, Hands-free operation, Smart home connectivity

**In-app purchases:** none


### Battery Tracker Plus

[App page](https://appshunter.io/ios/app/battery-tracker-plus/id6475273387)

Monitor your vehicle's battery status remotely via Bluetooth. View real-time voltage, historical graphics, and perform system tests. Receive alerts and track mileage and cost data for up to four vehicles.

**Highlights:** Bluetooth battery monitoring, Real-time and historical voltage graphics, Cranking and charging system test, Warning alerts, Mileage and cost tracking, Supports 4 vehicles

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

**In-app purchases:** none


## Frequently asked questions

### Is Mach Ⅸ Voice Control free?

Mach Ⅸ Voice Control is free to download, with no in-app purchases.

### Is Battery Tracker Plus free?

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

### Which has better reviews, Mach Ⅸ Voice Control or Battery Tracker Plus?

Battery Tracker Plus is rated higher. Mach Ⅸ Voice Control averages 1.4 out of 5 from 5 ratings, while Battery Tracker Plus averages 2.8 from 13 ratings.

### Do Mach Ⅸ Voice Control or Battery Tracker Plus have ads?

Neither Mach Ⅸ Voice Control nor Battery Tracker Plus shows ads.

### Which is updated more often, Mach Ⅸ Voice Control or Battery Tracker Plus?

Mach Ⅸ Voice Control ships an update every 5 months, and Battery Tracker Plus monthly. Most recently, Mach Ⅸ Voice Control was updated on October 7, 2026 and Battery Tracker Plus on October 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.*