# Happy Jumping Emoji vs Einstein's Relativity

The clearest difference is in-app purchases: Happy Jumping Emoji at none against Einstein's Relativity's 2. Einstein's Relativity's advantage is ads (none vs shown) and update cadence (every 24 months vs every 76 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Einstein's Relativity sells 2 one-off in-app purchases. Happy Jumping Emoji asks for nothing beyond the download.

Happy Jumping Emoji ships an update every 76 months, Einstein's Relativity every 24 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Happy Jumping Emoji | Einstein's Relativity |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 76 months | **Every 24 months** |
| Monetization | Ad-supported | — |
| Size | 84 MB | 322 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aleksa Racovic](https://appshunter.io/developer/1255649501) | [Human Heroes Ltd](https://appshunter.io/developer/1442853426) |

## What reviewers say

### Happy Jumping Emoji

[App page](https://appshunter.io/ios/app/happy-jumping-emoji/id1296676374)

Skillfully leap from platform to platform in this exhilarating endless jumping game. Tap to guide your ball downward, ensuring flawless landings to maintain momentum. Master the rhythm and conquer the heights in this gravity-defying challenge.

**Highlights:** Platform jumping gameplay, Tap-to-guide controls, Endless progression, Momentum-based challenges, Precision landing required

**Features:** macOS Compatibility

**In-app purchases:** none


### Einstein's Relativity

[App page](https://appshunter.io/ios/app/einsteins-relativity/id6468444718)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Sensation of Seconds | $0.99 | one-time |
| The Cadence Of Clocks | $0.99 | one-time |


## Frequently asked questions

### Is Happy Jumping Emoji free?

Happy Jumping Emoji is free to download, with no in-app purchases.

### Is Einstein's Relativity free?

Einstein's Relativity is free to download, with in-app purchases available.

### Do Happy Jumping Emoji or Einstein's Relativity have ads?

Happy Jumping Emoji shows ads; Einstein's Relativity does not.

### Which is updated more often, Happy Jumping Emoji or Einstein's Relativity?

Happy Jumping Emoji ships an update every 76 months, and Einstein's Relativity every 24 months. Most recently, Happy Jumping Emoji was updated on November 3, 2026 and Einstein's Relativity on November 3, 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.*