# OBDSTAR vs TuningBase

The clearest difference is rating: TuningBase at 5.0 against OBDSTAR's 1.5. TuningBase also leads on ads (none vs shown) and update cadence (every 6 days vs every 6 months). OBDSTAR's advantage is ratings volume (4 vs 1). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TuningBase holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

OBDSTAR ships an update every 6 months, TuningBase every 6 days. The most recent releases landed on October 9, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | OBDSTAR | TuningBase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (4 ratings)](https://appshunter.io/ios/app/obdstar/id6447170127/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tuningbase/id6753321902/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 6 days** |
| Monetization | Ad-supported | **Free** |
| Size | 122 MB | 32 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [深圳市轩宇车鼎科技有限公司](https://appshunter.io/developer/1680461221) | [Niko Holm](https://appshunter.io/developer/1843472333) |

## What reviewers say

### OBDSTAR

[App page](https://appshunter.io/ios/app/obdstar/id6447170127)

A handheld maintenance database for technicians, offering technical support, data queries, video viewing, and after-sales consultation. It provides a comprehensive database for automotive, motorcycle, and marine maintenance, aiming for efficient and professional service.

**Highlights:** Handheld maintenance database, Technical support, Data query, Video viewing, After-sales consultation, Comprehensive maintenance data

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

**In-app purchases:** none


### TuningBase

[App page](https://appshunter.io/ios/app/tuningbase/id6753321902)

Access a comprehensive mobile database for automotive professionals and tuners. Quickly find ECUs for any vehicle, view performance data, and look up error codes. Supports multiple languages and includes a performance calculator.

**Highlights:** ECU Search by vehicle details, Original and tuning performance data, Bosch Part Number Search, DTC Error Code lookup, HP to kW conversion calculator, Multilingual support

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

**In-app purchases:** none


## Frequently asked questions

### Is OBDSTAR free?

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

### Is TuningBase free?

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

### Which has better reviews, OBDSTAR or TuningBase?

TuningBase is rated higher. OBDSTAR averages 1.5 out of 5 from 4 ratings, while TuningBase averages 5.0 from 1 ratings.

### Do OBDSTAR or TuningBase have ads?

OBDSTAR shows ads; TuningBase does not.

### Which is updated more often, OBDSTAR or TuningBase?

OBDSTAR ships an update every 6 months, and TuningBase every 6 days. Most recently, OBDSTAR was updated on October 9, 2026 and TuningBase on September 30, 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.*