# Klangtester vs OBD CAN

The clearest difference is update cadence: OBD CAN at every 8 days against Klangtester's every 7 months. Klangtester's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Klangtester sells 4 one-off in-app purchases and OBD CAN sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Klangtester ships an update every 7 months, OBD CAN every 8 days. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Klangtester | OBD CAN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/obd-can-obd2-car-scanner/id6760162837/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 8 days** |
| Monetization | — | Freemium |
| Size | 24 MB | 68 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Klangspektrum GmbH - Institut fur naturliches HorErleben](https://appshunter.io/developer/1478150383) | [明道通途](https://appshunter.io/developer/909638339) |

## What reviewers say

### Klangtester

[App page](https://appshunter.io/ios/app/klangtester/id1478150384)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Tickets | $2.99 | one-time |
| 100 Tickets | $19.99 | one-time |
| 500 Tickets | $74.99 | one-time |
| 1000 Tickets | $99.99 | one-time |


### OBD CAN

[App page](https://appshunter.io/ios/app/obd-can-obd2-car-scanner/id6760162837)

Diagnose car trouble codes, monitor live sensor data, and track fuel consumption. Offers custom parameters and vehicle-specific diagnostics for a comprehensive understanding of your vehicle's performance. Requires a compatible OBD2 adapter.

**Highlights:** Read and clear trouble codes, Monitor live sensor data, Customizable dashboards, Sensor data logging, Fuel consumption tracking, Custom vehicle parameters (Labs), Vehicle-specific diagnostics

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $9.99 | per year |


## Frequently asked questions

### Is Klangtester free?

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

### Is OBD CAN free?

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

### Do Klangtester or OBD CAN have ads?

Neither Klangtester nor OBD CAN shows ads.

### Which is updated more often, Klangtester or OBD CAN?

Klangtester ships an update every 7 months, and OBD CAN every 8 days. Most recently, Klangtester was updated on November 3, 2026 and OBD CAN on November 9, 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.*