# DR.Osci.HD vs SpaceReality

The clearest difference is iOS requirement: DR.Osci.HD at 9.1 against SpaceReality's 12.0. On price, update cadence, 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.

DR.Osci.HD ships an update every 12 months, SpaceReality every 10 months. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | DR.Osci.HD | SpaceReality |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 10 months** |
| Monetization | Free | — |
| Size | 2 MB | 344 MB |
| Requires iOS | **9.1** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Roth](https://appshunter.io/developer/356650850) | [Spacezone India Private Limited](https://appshunter.io/developer/1707647254) |

## What reviewers say

### DR.Osci.HD

[App page](https://appshunter.io/ios/app/droscihd/id1003071526)

Explore physics concepts with a spring pendulum simulation. Manipulate parameters like damping, spring flexibility, and mass to observe oscillations. Record and export displacement graphs for deeper analysis.

**Highlights:** Spring pendulum simulation, Adjustable damping, spring flexibility, and mass, Gravity simulation, Record displacement over time, Export graphs to photo library

**Features:** macOS Compatibility

**In-app purchases:** none


### SpaceReality

[App page](https://appshunter.io/ios/app/spacereality/id6466695147)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DR.Osci.HD free?

DR.Osci.HD is free to download, with no in-app purchases.

### Is SpaceReality free?

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

### Do DR.Osci.HD or SpaceReality have ads?

Neither DR.Osci.HD nor SpaceReality shows ads.

### Which is updated more often, DR.Osci.HD or SpaceReality?

DR.Osci.HD ships an update every 12 months, and SpaceReality every 10 months. Most recently, DR.Osci.HD was updated on October 1, 2026 and SpaceReality on October 9, 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.*