# Ormolu — Open history's machines

> Open history's machines (iPhone/iPad app by Robert Corbin.)

- Source: https://appshunter.io/ios/app/ormolu/id6792957499 (this page in markdown: same URL + `.md`)
- Developer: [Robert Corbin](https://appshunter.io/developer/1890247992)
- Category: Games, Education, Puzzle, Simulation
- Price: $2.99
- Age rating: 4+
- Requires: iOS 17.0 · 71 MB
- Languages: American English
- Released: 2026-07-30
- Data updated: 2026-09-06
- User reviews in markdown: https://appshunter.io/ios/app/ormolu/id6792957499/reviews.md

## What is Ormolu?

Ormolu is an interactive cabinet of mechanical ideas. Every instrument is open from the first launch, every part can be inspected, and every restoration is included in one purchase.

EXPLORE ELEVEN MACHINES

- Antikythera mechanism
- Planispheric astrolabe
- Grand orrery
- Celestial planisphere
- Marine chronometer
- Pinned music cylinder
- Difference engine
- Morse register
- Curta calculator
- Jacquard head
- Vernier sextant

Rotate and zoom each real-time 3D assembly. Move the exploded-view control from a working whole to a fully separated mechanism. Read the purpose of individual parts, study four original blueprint plates per instrument, then restore the components in their functional order.

Ormolu works completely offline. It has no ads, accounts, subscriptions, analytics, or in-app purchases.


## Version history (last 1 release)

### 1.0 — 2026-07-30

No release notes.

## More apps by Robert Corbin

- [Daily Word Journey](https://appshunter.io/ios/app/daily-word-journey/id6761548266)
- [Hush Secret Text](https://appshunter.io/ios/app/hush-secret-text/id6761658175)
- [Renew Guard](https://appshunter.io/ios/app/renew-guard/id6761755447)
- [Receipt to PDF](https://appshunter.io/ios/app/receipt-to-pdf/id6761782025)
- [Route Your Pay](https://appshunter.io/ios/app/route-your-pay/id6761783719)
- [Tip Arbiter](https://appshunter.io/ios/app/tip-arbiter/id6761786879)

All apps by Robert Corbin: https://appshunter.io/developer/1890247992

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-06.*