# Einstein's Relativity vs Dinkytoon Interactive Stories

The clearest difference is price: Einstein's Relativity at Free against Dinkytoon Interactive Stories's $1.99. Einstein's Relativity also leads on iOS requirement (13.0 vs 15.6). Dinkytoon Interactive Stories's advantage is update cadence (every 11 days vs every 24 months). On ads, in-app purchases and device support there is nothing between them.

Einstein's Relativity is free to download; Dinkytoon Interactive Stories costs $1.99 up front. Einstein's Relativity sells 2 one-off in-app purchases and Dinkytoon Interactive Stories sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Einstein's Relativity ships an update every 24 months, Dinkytoon Interactive Stories every 11 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Einstein's Relativity | Dinkytoon Interactive Stories |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[4.6 (16 ratings)](https://appshunter.io/ios/app/dinkytoon-interactive-stories/id6737738926/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 322 MB | 655 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Human Heroes Ltd](https://appshunter.io/developer/1442853426) | [Craig Peck](https://appshunter.io/developer/1777684551) |

## What reviewers say

### 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 |


### Dinkytoon Interactive Stories

[App page](https://appshunter.io/ios/app/dinkytoon-interactive-stories/id6737738926)

Embark on a magical adventure with an adorable baby elephant in this beautifully animated interactive story. Inspired by a classic nursery rhyme, this app blends engaging music and simple gameplay for independent exploration and learning.

**Highlights:** Handcrafted original story with high-quality animations, Inspired by 'Twinkle, Twinkle, Little Star', Engaging musical elements for learning through play, Simple and intuitive gameplay for independent play, Interactive environments and characters, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Levels | $0.99 | one-time |


## Frequently asked questions

### Is Einstein's Relativity free?

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

### Is Dinkytoon Interactive Stories free?

Dinkytoon Interactive Stories costs $1.99, and also offers in-app purchases.

### Do Einstein's Relativity or Dinkytoon Interactive Stories have ads?

Neither Einstein's Relativity nor Dinkytoon Interactive Stories shows ads.

### Which is updated more often, Einstein's Relativity or Dinkytoon Interactive Stories?

Einstein's Relativity ships an update every 24 months, and Dinkytoon Interactive Stories every 11 days. Most recently, Einstein's Relativity was updated on October 30, 2026 and Dinkytoon Interactive Stories on October 30, 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.*