Mach Ⅸ Voice Control vs Battery Tracker Plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mach Ⅸ Voice Control
Integrate your massage chair's voice control with popular smart home assistants. Control your massage experience hands-free using Google or Alexa.
- Voice control for massage chairs
- Google Assistant integration
- Alexa integration
- Hands-free operation
- Smart home connectivity
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This app will allow you to use the voice control installed in your massage chair with Google or Alexa speakers.
Battery Tracker Plus
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.
- Bluetooth battery monitoring
- Real-time and historical voltage graphics
- Cranking and charging system test
- Warning alerts
- Mileage and cost tracking
- Supports 4 vehicles
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The Battery Tracker Plus is a great tool for monitoring the Battery status in any of your vehicles... 6v, 12v, or 24v, Lead or Lithium. It can also monitor other battery systems. The Battery Tracker Plus allows you to see your Battery Voltage and other important data directly on your Phone via Bluetooth, no need to see or touch the battery to know its status. It also has real time and historical voltage graphics so you can see the effects of parasitic drains, the state of charge, temperature and even has a Cranking and Charging system test feature. Other features include warning alerts sent to your phone, Tracking of Mileage and Cost data, ability to Track 4 vehicles on the App.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Mach Ⅸ Voice Control | Battery Tracker Plus |
|---|---|---|
| Price | Free | Free |
| Rating | 1.4 (5 ratings) | 2.8 (13 ratings) — better |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 5 | 13 — better |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod, Apple Watch — better |
| Requires iOS | 9.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 11 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Xiamen Comfort Science & Technology Group | Antigravity Batteries LLC |
Customer experience
Mach Ⅸ Voice Control
Battery Tracker Plus
In-app purchases
Mach Ⅸ Voice Control
No in-app purchases
Battery Tracker Plus
No in-app purchases
Questions
Is Mach Ⅸ Voice Control free?
Is Battery Tracker Plus free?
Which has better reviews, Mach Ⅸ Voice Control or Battery Tracker Plus?
Do Mach Ⅸ Voice Control or Battery Tracker Plus have ads?
Which is updated more often, Mach Ⅸ Voice Control or Battery Tracker Plus?
Other comparisons
