# MyVoltControl vs tes

MyVoltControl and tes both sit at 4.3 stars, but that hides the real split: 75% of tes's written reviews are positive against 50% of MyVoltControl's. tes also leads on iOS requirement (13.2 vs 15.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. MyVoltControl sells 5 one-off in-app purchases and tes sells 8 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.3 for MyVoltControl against 4.4 for tes. Both are backed by a comparable volume of ratings — 16 and 19 respectively. Written reviews are what separate them: 50% of MyVoltControl's written reviews are positive against 75% of tes's.

MyVoltControl ships an update every 5 weeks, tes monthly. The most recent releases landed on September 25, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | MyVoltControl | tes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (16 ratings)](https://appshunter.io/ios/app/myvoltcontrol/id1488646304/reviews) | **[4.4 (19 ratings)](https://appshunter.io/ios/app/teslax-can-bus-explorer/id1495403139/reviews)** |
| Number of ratings | 16 | **19** |
| Positive reviews | 50.0% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 20 MB | 23 MB |
| Requires iOS | 15.0 | **13.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Craftin De Apps LLC](https://appshunter.io/developer/1488646303) | [All About Jake, LLC](https://appshunter.io/developer/393776941) |

## What reviewers say

### MyVoltControl

[App page](https://appshunter.io/ios/app/myvoltcontrol/id1488646304)

Enhance your Chevrolet Volt or Bolt experience with advanced control features. This app allows you to manage vehicle modes, monitor performance, and access diagnostic information, requiring an OBD adapter for full functionality.

**Highlights:** Vehicle information pages, Simulated Hold mode for ICE management, Engine run and off control, Reset lifetime fuel economy, EV and ICE travel distance calculation, Diagnostic trouble code access

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Volt Hold Function | $0.99 | one-time |
| Volt Lifetime Function | $1.99 | one-time |
| Volt Diag Function | $1.99 | one-time |
| Volt 12v Function. | $1.99 | one-time |
| Volt Afterblow Function | $2.99 | one-time |


### tes

[App page](https://appshunter.io/ios/app/teslax-can-bus-explorer/id1495403139)

Explore and visualize CAN bus data from various vehicles, including electric and gas-powered models. Connect to OBD-2 accessories to view live data, analyze message identifiers, and playback log files. Unlock advanced features for deeper analysis and customization with optional purchases.

**Highlights:** Live CAN bus data visualization, Support for OBDLink and vLinker accessories, Playback of CAN bus log files, Customizable signal visualizations, Advanced data analysis tools, DBC file import

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extra Strength Subscription | $9.99 | per year |
| One-Time Free 5-day Pass | Free | one-time |
| Extra Strength Upgrade to 2.0 | $4.99 | one-time |
| Extra Strength Upgrade 1.0 | $5.99 | one-time |
| Extended Release 1.0 | $6.99 | one-time |
| Upgrade to Extra Strength 2.0 | $10.99 | one-time |
| Extra Strength 1.0 | $14.00 | one-time |
| Extra Strength 2.0 | $18.99 | one-time |


## Frequently asked questions

### Is MyVoltControl free?

MyVoltControl is free to download, with in-app purchases available.

### Is tes free?

tes is free to download, with in-app purchases available.

### Which has better reviews, MyVoltControl or tes?

tes is rated higher. MyVoltControl averages 4.3 out of 5 from 16 ratings, while tes averages 4.4 from 19 ratings.

### Do MyVoltControl or tes have ads?

Neither MyVoltControl nor tes shows ads.

### Which is updated more often, MyVoltControl or tes?

MyVoltControl ships an update every 5 weeks, and tes monthly. Most recently, MyVoltControl was updated on September 25, 2026 and tes on June 8, 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.*