# FLASHEX vs ByteFlasher

The clearest difference is rating: ByteFlasher at 5.0 against FLASHEX's 3.0. On price, ratings volume, update cadence and ads there is nothing between them.

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

ByteFlasher holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

FLASHEX ships an update fortnightly, ByteFlasher monthly. The most recent releases landed on September 27, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | FLASHEX | ByteFlasher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/flashex/id6742115135/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/byteflasher/id6745198835/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | Free |
| Size | 108 MB | 70 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Ryzhov](https://appshunter.io/developer/1796903716) | [Renovelo LLC](https://appshunter.io/developer/1811256567) |

## What reviewers say

### FLASHEX

[App page](https://appshunter.io/ios/app/flashex/id6742115135)

Customize your BMW's firmware with various options, including engine and transmission tuning. Monitor vehicle parameters, read diagnostic trouble codes, and flash pre-defined maps via OBD or WiFi. Supports a wide range of BMW models.

**Highlights:** Customizable firmware options, Engine and transmission ECU re-flashing, Real-time vehicle parameter monitoring, DTC code reading, OBD and WiFi flashing, Datalogging capabilities

**Features:** macOS Compatibility

**In-app purchases:** none


### ByteFlasher

[App page](https://appshunter.io/ios/app/byteflasher/id6745198835)

Unlock your vehicle's performance potential with this mobile tuning solution. Optimize horsepower, torque, and fuel efficiency wirelessly. Diagnose and clear engine trouble codes with ease.

**Highlights:** Stage 1 & Stage 2 Performance Tunes, Advanced Customization Options, Unlimited Tune Adjustments, Wireless OBD2 Connectivity, Read & Clear DTCs, Data-Driven Performance Tuning

**In-app purchases:** none


## Frequently asked questions

### Is FLASHEX free?

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

### Is ByteFlasher free?

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

### Which has better reviews, FLASHEX or ByteFlasher?

ByteFlasher is rated higher. FLASHEX averages 3.0 out of 5 from 2 ratings, while ByteFlasher averages 5.0 from 2 ratings.

### Do FLASHEX or ByteFlasher have ads?

Neither FLASHEX nor ByteFlasher shows ads.

### Which is updated more often, FLASHEX or ByteFlasher?

FLASHEX ships an update fortnightly, and ByteFlasher monthly. Most recently, FLASHEX was updated on September 27, 2026 and ByteFlasher on September 28, 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.*