# DR.Osci.HD vs SolveScan

The clearest difference is in-app purchases: DR.Osci.HD at none against SolveScan's 2. DR.Osci.HD also leads on iOS requirement (9.1 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. SolveScan sells 2 one-off in-app purchases. DR.Osci.HD asks for nothing beyond the download.

## The numbers

| Metric | DR.Osci.HD | SolveScan |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | — |
| Monetization | Free | — |
| Size | 2 MB | 30 MB |
| Requires iOS | **9.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Roth](https://appshunter.io/developer/356650850) | [EMRE SOZEN](https://appshunter.io/developer/1821634006) |

## 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


### SolveScan

[App page](https://appshunter.io/ios/app/solvescan-math-solver/id6756850121)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Diamond | $1.99 | one-time |
| 10 Diamonds | $5.99 | one-time |


## Frequently asked questions

### Is DR.Osci.HD free?

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

### Is SolveScan free?

SolveScan is free to download, with in-app purchases available.

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

Neither DR.Osci.HD nor SolveScan shows ads.

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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.*