# evDash OBD2 vs BZ

The clearest difference is price: evDash OBD2 at Free against BZ's $14.99. evDash OBD2 also leads on device support (4 vs 1) and iOS requirement (15.0 vs 17.0). BZ's advantage is in-app purchases (none vs 3). On update cadence and ads there is nothing between them.

evDash OBD2 is free to download; BZ costs $14.99 up front. evDash OBD2 sells 3 in-app purchases, starting at $2.99 per month. BZ asks for nothing beyond the download.

evDash OBD2 ships an update every 5 days, BZ every 3 days. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | evDash OBD2 | BZ |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/evdash-obd2/id6765950978/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 57 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NEXT176](https://appshunter.io/developer/1896137244) | [HGSoftware ApS](https://appshunter.io/developer/1779639581) |

## 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 |


### BZ

[App page](https://appshunter.io/ios/app/bz-battery/id6807502861)

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

**In-app purchases:** none


## Frequently asked questions

### Is evDash OBD2 free?

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

### Is BZ free?

BZ costs $14.99, with no in-app purchases.

### Do evDash OBD2 or BZ have ads?

Neither evDash OBD2 nor BZ shows ads.

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

evDash OBD2 ships an update every 5 days, and BZ every 3 days. Most recently, evDash OBD2 was updated on October 14, 2026 and BZ on October 19, 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.*