# MyVoltControl vs DVR Calculator

The clearest difference is review sentiment: DVR Calculator at 100% against MyVoltControl's 50%. DVR Calculator also leads on rating (5.0 vs 4.3) and in-app purchases (none vs 5). MyVoltControl's advantage is price (Free vs $0.99) and ratings volume (16 vs 1). On ads, device support and iOS requirement there is nothing between them.

MyVoltControl is free to download; DVR Calculator costs $0.99 up front. MyVoltControl sells 5 one-off in-app purchases. DVR Calculator asks for nothing beyond the download.

DVR Calculator holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: MyVoltControl has 16 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of MyVoltControl's written reviews are positive against 100% of DVR Calculator's.

MyVoltControl ships an update every 5 weeks, DVR Calculator every 3 months. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | MyVoltControl | DVR Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.3 (16 ratings)](https://appshunter.io/ios/app/myvoltcontrol/id1488646304/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dvr-calculator/id6769927835/reviews)** |
| Number of ratings | **16** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 20 MB | 2 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Craftin De Apps LLC](https://appshunter.io/developer/1488646303) | [LTR Ventures LLC](https://appshunter.io/developer/1894518586) |

## 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 |


### DVR Calculator

[App page](https://appshunter.io/ios/app/dvr-calculator/id6769927835)

This tool assists investigators in calculating accurate timestamps from surveillance footage, correcting discrepancies often found in DVR and CCTV systems. It allows users to save and organize calculations by address for efficient evidence review and tracking across multiple locations.

**Highlights:** DVR and CCTV time offset calculations, Corrected timestamp conversion, Save calculations locally, Organize entries by address, Quick access to previous calculations, Investigator-focused workflow

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MyVoltControl free?

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

### Is DVR Calculator free?

DVR Calculator costs $0.99, with no in-app purchases.

### Which has better reviews, MyVoltControl or DVR Calculator?

DVR Calculator is rated higher. MyVoltControl averages 4.3 out of 5 from 16 ratings, while DVR Calculator averages 5.0 from 1 ratings.

### Do MyVoltControl or DVR Calculator have ads?

Neither MyVoltControl nor DVR Calculator shows ads.

### Which is updated more often, MyVoltControl or DVR Calculator?

MyVoltControl ships an update every 5 weeks, and DVR Calculator every 3 months. Most recently, MyVoltControl was updated on October 11, 2026 and DVR Calculator on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*