# Voltswitch ELD vs Units

The clearest difference is in-app purchases: Voltswitch ELD at none against Units's 3. Voltswitch ELD also leads on iOS requirement (12.0 vs 15.0). Units's advantage is ratings volume (261 vs 2) and update cadence (every 5 weeks vs every 3 months). On price, rating, ads and device support there is nothing between them.

Both are free to download. Units sells 3 in-app purchases, starting at $0.99 per month. Voltswitch ELD asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Voltswitch ELD against 4.9 for Units. That said, the two scores are not equally well evidenced: Units has 261 ratings behind it against 2, so its average is the more settled of the two.

Voltswitch ELD ships an update every 3 months, Units every 5 weeks. The most recent releases landed on July 27, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Voltswitch ELD | Units |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/voltswitch-eld/id1406781058/reviews)** | [4.9 (261 ratings)](https://appshunter.io/ios/app/units-unit-converter/id1527329982/reviews) |
| Number of ratings | 2 | **261** |
| Positive reviews | — | 45.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 58 MB | 3 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [TLV s.r.o.](https://appshunter.io/developer/728336683) | [Andreas Maier](https://appshunter.io/developer/454364359) |

## What reviewers say

### Voltswitch ELD

[App page](https://appshunter.io/ios/app/voltswitch-eld/id1406781058)

This application helps commercial drivers record their duty status to comply with DOT FMCSA regulations. It tracks driving hours, on-duty time, breaks, and location, ensuring adherence to rules like the 11-hour driving limit and 30-minute break requirement.

**Highlights:** DOT FMCSA self-compliant, Driver duty status recording, Tracks driving and on-duty hours, Manages breaks and sleeper berth, Location recording, Malfunction warnings

**Features:** macOS Compatibility

**In-app purchases:** none


### Units

[App page](https://appshunter.io/ios/app/units-unit-converter/id1527329982)

Easily convert between a wide range of measurement units and currencies. Features a clear and simple interface for quick conversions of length, mass, volume, speed, and more. Supports popular currencies and common units for everyday use.

**Highlights:** Extensive unit conversions, Multiple currency support, Easy and clear handling, Converts length, mass, volume, Supports speed, area, pressure, Converts time and temperature

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $4.99 | per year |
| One time purchase | $9.99 | one-time |


## Frequently asked questions

### Is Voltswitch ELD free?

Voltswitch ELD is free to download, with no in-app purchases.

### Is Units free?

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

### Which has better reviews, Voltswitch ELD or Units?

Voltswitch ELD is rated higher. Voltswitch ELD averages 5.0 out of 5 from 2 ratings, while Units averages 4.9 from 261 ratings.

### Do Voltswitch ELD or Units have ads?

Neither Voltswitch ELD nor Units shows ads.

### Which is updated more often, Voltswitch ELD or Units?

Voltswitch ELD ships an update every 3 months, and Units every 5 weeks. Most recently, Voltswitch ELD was updated on July 27, 2026 and Units on September 23, 2026.

---

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