# Number Formation vs Smithsonian

The clearest difference is price: Number Formation at Free against Smithsonian's $3.99. Number Formation also leads on iOS requirement (11.0 vs 13.0). Smithsonian's advantage is update cadence (every 6 months vs every 36 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Number Formation is free to download; Smithsonian costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Number Formation ships an update every 36 months, Smithsonian every 6 months. The most recent releases landed on October 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Number Formation | Smithsonian |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/smithsonian-dinosaurs/id6503628867/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 6 months** |
| Monetization | — | Paid |
| Size | 13 MB | 440 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yellow Door Ltd](https://appshunter.io/developer/992076525) | [PlayDate Digital](https://appshunter.io/developer/652113715) |

## What reviewers say

### Number Formation

[App page](https://appshunter.io/ios/app/number-formation-us/id1292615040)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smithsonian

[App page](https://appshunter.io/ios/app/smithsonian-dinosaurs/id6503628867)

Explore a prehistoric world by digging for fossils and uncovering facts about dinosaurs. Earn coins to unlock new tools and learn about over 15 dinosaur species through interactive scenes and quizzes. Develop literacy and critical thinking skills with engaging educational content.

**Highlights:** Dig for fossils with virtual tools, Learn facts about 15+ dinosaur species, Unlock dinosaur cards with information, Interactive prehistoric world exploration, Earn coins for better digging tools, Prehistoric quiz to test knowledge, Phonetic spelling for vocabulary building

**In-app purchases:** none


## Frequently asked questions

### Is Number Formation free?

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

### Is Smithsonian free?

Smithsonian costs $3.99, with no in-app purchases.

### Do Number Formation or Smithsonian have ads?

Neither Number Formation nor Smithsonian shows ads.

### Which is updated more often, Number Formation or Smithsonian?

Number Formation ships an update every 36 months, and Smithsonian every 6 months. Most recently, Number Formation was updated on October 26, 2026 and Smithsonian on October 5, 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.*