# engine vs The Lash Oasis

The clearest difference is rating: engine at 5.0 against The Lash Oasis's 4.7. The Lash Oasis's advantage is update cadence (every 4 months vs every 13 months) and ratings volume (10 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

engine holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: The Lash Oasis has 10 ratings behind it against 1, so its average is the more settled of the two.

engine ships an update every 13 months, The Lash Oasis every 4 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | engine | The Lash Oasis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/engine-teardown/id1004536137/reviews)** | [4.7 (10 ratings)](https://appshunter.io/ios/app/the-lash-oasis/id1611423001/reviews) |
| Number of ratings | 1 | **10** |
| Positive reviews | — | 88.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 6 MB | 53 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lufthansa Technik AG - Innovation](https://appshunter.io/developer/419109455) | [THE LASH OASIS LTD](https://appshunter.io/developer/1611423003) |

## 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


### The Lash Oasis

[App page](https://appshunter.io/ios/app/the-lash-oasis/id1611423001)

Easily order high-quality lash extension supplies on the go. Browse a wide range of products, manage wish lists, and track orders conveniently through your smartphone.

**Highlights:** Browse lash extension supplies, Add products to wish list, View recently viewed items, Live chat support, Track orders, Place new orders

**In-app purchases:** none


## Frequently asked questions

### Is engine free?

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

### Is The Lash Oasis free?

The Lash Oasis is free to download, with no in-app purchases.

### Which has better reviews, engine or The Lash Oasis?

engine is rated higher. engine averages 5.0 out of 5 from 1 ratings, while The Lash Oasis averages 4.7 from 10 ratings.

### Do engine or The Lash Oasis have ads?

Neither engine nor The Lash Oasis shows ads.

### Which is updated more often, engine or The Lash Oasis?

engine ships an update every 13 months, and The Lash Oasis every 4 months. Most recently, engine was updated on November 1, 2026 and The Lash Oasis on November 3, 2026.

---

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