# engine vs StoreCard!

The clearest difference is ads: engine at none against StoreCard!'s shown. engine also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). StoreCard!'s advantage is update cadence (every 3 months vs every 13 months). On price 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.

engine ships an update every 13 months, StoreCard! every 3 months. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | engine | StoreCard! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/engine-teardown/id1004536137/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 6 MB | 15 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lufthansa Technik AG - Innovation](https://appshunter.io/developer/419109455) | [Akbina](https://appshunter.io/developer/995611624) |

## 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


### StoreCard!

[App page](https://appshunter.io/ios/app/storecard/id1640984552)

**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 StoreCard! free?

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

### Do engine or StoreCard! have ads?

StoreCard! shows ads; engine does not.

### Which is updated more often, engine or StoreCard!?

engine ships an update every 13 months, and StoreCard! every 3 months. Most recently, engine was updated on October 11, 2026 and StoreCard! on October 3, 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.*