# Calculus vs Difference Dash

The clearest difference is in-app purchases: Calculus at none against Difference Dash's 9. Calculus also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Difference Dash sells 9 one-off in-app purchases. Calculus asks for nothing beyond the download.

## The numbers

| Metric | Calculus | Difference Dash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (10 ratings)](https://appshunter.io/ios/app/difference-dash-3d-spot-game/id6758041222/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Daily |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 549 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Giro Technology Ltd](https://appshunter.io/developer/1641128177) | [Ladaneta Games](https://appshunter.io/developer/1862026785) |

## What reviewers say

### Calculus

[App page](https://appshunter.io/ios/app/calculus-math-geek/id6451258362)

**Features:** macOS Compatibility

**In-app purchases:** none


### Difference Dash

[App page](https://appshunter.io/ios/app/difference-dash-3d-spot-game/id6758041222)

Explore beautifully crafted 3D dioramas and find hidden differences by rotating and zooming into scenes. This relaxing game offers daily quests and a satisfying challenge to sharpen your attention to detail.

**Highlights:** 360° scene rotation, Zoom functionality, Hundreds of handcrafted worlds, Relaxing, no-timer gameplay, Daily quests and rewards, Attention to detail training

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| starterpackage | $0.99 | one-time |
| coinpack01 | $1.49 | one-time |
| coinpack02 | $6.99 | one-time |
| pass | $9.99 | one-time |
| coinpack03 | $13.99 | one-time |
| removeads | $13.99 | one-time |
| coinpack04 | $33.99 | one-time |
| coinpack05 | $68.99 | one-time |
| coinpack06 | $139.99 | one-time |


## Frequently asked questions

### Is Calculus free?

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

### Is Difference Dash free?

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

### Do Calculus or Difference Dash have ads?

Difference Dash shows ads; Calculus does not.

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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.*