# 034SPI vs Modpro AI

The clearest difference is review sentiment: Modpro AI at 97% against 034SPI's 53%. Modpro AI also leads on rating (4.8 vs 4.2) and update cadence (every 6 days vs every 2 weeks). 034SPI's advantage is iOS requirement (12.2 vs 15.1). On price, ratings volume, 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.

Modpro AI holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 42 and 104 respectively. Written reviews point the same way: 53% of 034SPI's written reviews are positive against 97% of Modpro AI's.

034SPI ships an update every 2 weeks, Modpro AI every 6 days. The most recent releases landed on September 16, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 034SPI | Modpro AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (42 ratings)](https://appshunter.io/ios/app/034spi/id6468930588/reviews) | **[4.8 (104 ratings)](https://appshunter.io/ios/app/modpro-ai/id6755011876/reviews)** |
| Number of ratings | 42 | **104** |
| Positive reviews | 52.6% of reviews | **97.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Free | Free |
| Size | 124 MB | 92 MB |
| Requires iOS | **12.2** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [034motorsport Industries, LLC](https://appshunter.io/developer/1699254218) | [ModPro AI INC](https://appshunter.io/developer/1851335653) |

## What reviewers say

### 034SPI

[App page](https://appshunter.io/ios/app/034spi/id6468930588)

This app allows users to flash their car's ECU/TCU, change fuel maps, and configure live data displays. It also provides diagnostic tools like reading and clearing DTC codes. Compatible with Dynamic+ ECU/TCU tunes and the Dynamic+ End User Flashing Dongle.

**Highlights:** Flash ECU/TCU tunes, Change fuel octane/transmission files, Configure live data displays, High-speed data logging, Read & clear DTC codes, Perform adaptations/recalibrations

**Features:** macOS Compatibility

**In-app purchases:** none


### Modpro AI

[App page](https://appshunter.io/ios/app/modpro-ai/id6755011876)

This app serves as a central hub for automotive and motorcycle enthusiasts to track, organize, and optimize their custom builds. It offers professional build tracking, AI-powered recommendations, performance management, and a community forum for inspiration and connection.

**Highlights:** Professional build tracking, AI build advisor, Performance & spec management, Community garage, Part logging and management

**In-app purchases:** none


## Frequently asked questions

### Is 034SPI free?

034SPI is free to download, with no in-app purchases.

### Is Modpro AI free?

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

### Which has better reviews, 034SPI or Modpro AI?

Modpro AI is rated higher. 034SPI averages 4.2 out of 5 from 42 ratings, while Modpro AI averages 4.8 from 104 ratings.

### Do 034SPI or Modpro AI have ads?

Neither 034SPI nor Modpro AI shows ads.

### Which is updated more often, 034SPI or Modpro AI?

034SPI ships an update every 2 weeks, and Modpro AI every 6 days. Most recently, 034SPI was updated on September 16, 2026 and Modpro AI on September 21, 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.*