# evDash OBD2 vs Voltage

The clearest difference is review sentiment: evDash OBD2 at 100% against Voltage's 0%. evDash OBD2 also leads on rating (5.0 vs 4.0) and device support (4 vs 1). Voltage's advantage is monetization model (free vs freemium). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. evDash OBD2 sells 3 in-app purchases, starting at $2.99 per month and Voltage sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

evDash OBD2 holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 100% of evDash OBD2's written reviews are positive against 0% of Voltage's.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | evDash OBD2 | Voltage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/evdash-obd2/id6765950978/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/voltage-volt-ampera-bolt-obd/id6774315064/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Freemium | **Free** |
| Size | 57 MB | 54 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NEXT176](https://appshunter.io/developer/1896137244) | [Oleksandr Radchenko](https://appshunter.io/developer/6774315066) |

## What reviewers say

### evDash OBD2

[App page](https://appshunter.io/ios/app/evdash-obd2/id6765950978)

Monitor your electric vehicle's performance with a live dashboard and diagnostic tools. View real-time battery, power, and driving data, and access advanced service functions. Supports a wide range of EVs and OBD2 adapters, with optional Pro features for deeper insights.

**Highlights:** Live EV dashboard, Battery data overview, Cell voltage and temperature monitoring, Apple CarPlay support, Service Menu with ECU scan, Pre-purchase battery check, Acceleration and brake tests

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| evDash Pro Monthly | $2.99 | per month |
| evDash Pro Yearly | $14.99 | per year |
| evDash Pro Lifetime | $39.90 | one-time |


### Voltage

[App page](https://appshunter.io/ios/app/voltage-volt-ampera-bolt-obd/id6774315064)

This app provides comprehensive diagnostic and control features for specific GM electric and hybrid vehicles. It allows users to monitor various vehicle parameters, perform deep diagnostics, and even control certain functions remotely via an OBD2 adapter.

**Highlights:** Deep DTC scanning, Live parameter monitoring, Real-time battery analysis, HV Unlock function, Remote start and climate control, Charge management and scheduling, Module reset and clearing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ELR / Volt Design activation | $4.99 | one-time |
| ELR / Volt Design activation | $9.99 | one-time |
| Traffic Signs Activation (discount) | $9.99 | one-time |
| Traffic Signs Activation | $19.99 | one-time |
| Premium upgrade | $24.99 | one-time |


## Frequently asked questions

### Is evDash OBD2 free?

evDash OBD2 is free to download, with in-app purchases available.

### Is Voltage free?

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

### Which has better reviews, evDash OBD2 or Voltage?

evDash OBD2 is rated higher. evDash OBD2 averages 5.0 out of 5 from 2 ratings, while Voltage averages 4.0 from 4 ratings.

### Do evDash OBD2 or Voltage have ads?

Neither evDash OBD2 nor Voltage shows ads.

### Which is updated more often, evDash OBD2 or Voltage?

evDash OBD2 ships an update every 5 days, and Voltage every 5 days. Most recently, evDash OBD2 was updated on October 14, 2026 and Voltage on October 20, 2026.

---

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