# Size test vs Global Warming Science & Model

The clearest difference is price: Size test at $0.99 against Global Warming Science & Model's $19.99. Global Warming Science & Model's advantage is iOS requirement (12.0.0 vs 14.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Size test costs $0.99 and Global Warming Science & Model $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Size test ships an update every 10 months, Global Warming Science & Model every 12 months. The most recent releases landed on October 15, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Size test | Global Warming Science & Model |
| --- | --- | --- |
| Price | **$0.99** | $19.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/global-warming-science-and-model/id1441249328/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 12 months |
| Monetization | — | Paid |
| Size | 1 MB | 112 MB |
| Requires iOS | 14.0 | **12.0.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Viacheslav Romanenko](https://appshunter.io/developer/1046372418) | [Seeds Software](https://appshunter.io/developer/507836260) |

## What reviewers say

### Size test

[App page](https://appshunter.io/ios/app/size-test/id1059703529)

**In-app purchases:** none


### Global Warming Science & Model

[App page](https://appshunter.io/ios/app/global-warming-science-and-model/id1441249328)

Explore the science behind global warming and climate change through interactive simulations and an authentic climate model. This educational tool makes complex concepts accessible for students, offering insights into Earth's future climate.

**Highlights:** Interactive simulations of global warming concepts, Authentic atmospheric/ocean coupled global climate model, Content based on IPCC, NASA, and NOAA reports, Hands-on lessons and offline labs, Differentiated content for various learning levels, Suitable for grades 8 to college

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Size test free?

Size test costs $0.99, with no in-app purchases.

### Is Global Warming Science & Model free?

Global Warming Science & Model costs $19.99, with no in-app purchases.

### Do Size test or Global Warming Science & Model have ads?

Neither Size test nor Global Warming Science & Model shows ads.

### Which is updated more often, Size test or Global Warming Science & Model?

Size test ships an update every 10 months, and Global Warming Science & Model every 12 months. Most recently, Size test was updated on October 15, 2026 and Global Warming Science & Model on June 1, 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.*