# 123\Tune+ vs My Flasher US

The clearest difference is ratings volume: 123\Tune+ at 255 against My Flasher US's 7. My Flasher US's advantage is review sentiment (75% vs 58%) and update cadence (every 9 days vs every 3 weeks). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.5 for 123\Tune+ against 4.4 for My Flasher US. That said, the two scores are not equally well evidenced: 123\Tune+ has 255 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 58% of 123\Tune+'s written reviews are positive against 75% of My Flasher US's.

123\Tune+ ships an update every 3 weeks, My Flasher US every 9 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 123\Tune+ | My Flasher US |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (255 ratings)](https://appshunter.io/ios/app/123tune-plus/id890882601/reviews)** | [4.4 (7 ratings)](https://appshunter.io/ios/app/my-flasher-us/id6757482466/reviews) |
| Number of ratings | **255** | 7 |
| Positive reviews | 57.7% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free | Free |
| Size | 209 MB | 96 MB |
| Requires iOS | 16.0 | **15.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Albertronic B.V.](https://appshunter.io/developer/890882604) | [SwitchOver Inc.](https://appshunter.io/developer/1859933147) |

## What reviewers say

### 123\Tune+

[App page](https://appshunter.io/ios/app/123tune-plus/id890882601)

Control your classic car's ignition wirelessly via Bluetooth. Adjust advance and vacuum curves, monitor real-time engine data, and utilize features like a PIN-code immobilizer and rev limiter. Compatible with a wide range of classic vehicles.

**Highlights:** Wireless ignition curve adjustment, Real-time engine data monitoring, PIN-code immobilizer, Soft rev limiter, Tune mode for timing tests, MAP/boost sensor support

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

**In-app purchases:** none


### My Flasher US

[App page](https://appshunter.io/ios/app/my-flasher-us/id6757482466)

This app allows users to tune and optimize their car's ECU through a connected plug-in dongle. It offers features like reading/writing ECU data, seamless dealer communication, and automatic vehicle identification for a personalized tuning experience.

**Highlights:** Read & Write ECU Data, Seamless Dealer Communication, Automatic Vehicle Identification, Secure and Easy-to-Use Interface, ECU Tuning and Optimization

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 123\Tune+ free?

123\Tune+ is free to download, with no in-app purchases.

### Is My Flasher US free?

My Flasher US is free to download, with no in-app purchases.

### Which has better reviews, 123\Tune+ or My Flasher US?

123\Tune+ is rated higher. 123\Tune+ averages 4.5 out of 5 from 255 ratings, while My Flasher US averages 4.4 from 7 ratings.

### Do 123\Tune+ or My Flasher US have ads?

Neither 123\Tune+ nor My Flasher US shows ads.

### Which is updated more often, 123\Tune+ or My Flasher US?

123\Tune+ ships an update every 3 weeks, and My Flasher US every 9 days. Most recently, 123\Tune+ was updated on October 29, 2026 and My Flasher US on October 25, 2026.

---

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