# engine vs TRUCKPARTSMART

The clearest difference is update cadence: TRUCKPARTSMART at every 2 weeks against engine's every 13 months. TRUCKPARTSMART also leads on ratings volume (4 vs 1). engine's advantage is monetization model (free vs ad-supported) and iOS requirement (13.0 vs 15.0). 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 — 5.0 for engine against 5.0 for TRUCKPARTSMART. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

engine ships an update every 13 months, TRUCKPARTSMART every 2 weeks. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | engine | TRUCKPARTSMART |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/engine-teardown/id1004536137/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/truckpartsmart/id6499494008/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 6 MB | 99 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Lufthansa Technik AG - Innovation](https://appshunter.io/developer/419109455) | [Unicode LLC](https://appshunter.io/developer/1502353210) |

## What reviewers say

### engine

[App page](https://appshunter.io/ios/app/engine-teardown/id1004536137)

This app tracks the disassembly of aircraft engines, detailing each event, associated documents, and parts involved. It provides a comprehensive overview of the engine teardown process.

**Highlights:** Monitor aircraft engine teardown, View all teardown events, Access associated documents, Track engine parts

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

**In-app purchases:** none


### TRUCKPARTSMART

[App page](https://appshunter.io/ios/app/truckpartsmart/id6499494008)

A marketplace for buying and selling new and used truck parts. Connect directly with buyers and sellers nationwide, list your parts, or post requests to receive offers from suppliers. Facilitates seamless transactions and communication for truck owners, drivers, mechanics, and dealers.

**Highlights:** Buy and sell truck parts, Advanced search filters, List extra parts instantly, Post part requests, Receive multiple offers, In-app chat and communication, List repair services

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

**In-app purchases:** none


## Frequently asked questions

### Is engine free?

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

### Is TRUCKPARTSMART free?

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

### Which has better reviews, engine or TRUCKPARTSMART?

engine and TRUCKPARTSMART are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do engine or TRUCKPARTSMART have ads?

Neither engine nor TRUCKPARTSMART shows ads.

### Which is updated more often, engine or TRUCKPARTSMART?

engine ships an update every 13 months, and TRUCKPARTSMART every 2 weeks. Most recently, engine was updated on October 11, 2026 and TRUCKPARTSMART on October 20, 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.*