# TrueSize vs Math Zombie Classic

The clearest difference is update cadence: TrueSize at every 10 days against Math Zombie Classic's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TrueSize sells 1 one-off in-app purchase and Math Zombie Classic sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

TrueSize ships an update every 10 days, Math Zombie Classic every 10 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TrueSize | Math Zombie Classic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (317 ratings)](https://appshunter.io/ios/app/truesize-compare-countries/id6754521525/reviews)** | — |
| Number of ratings | **317** | — |
| Positive reviews | 71.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 10 months |
| Monetization | Free | — |
| Size | 168 MB | 19 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [BINARY BANANA LLC](https://appshunter.io/developer/971978288) | [MM&F Software LLC](https://appshunter.io/developer/1498948648) |

## What reviewers say

### TrueSize

[App page](https://appshunter.io/ios/app/truesize-compare-countries/id6754521525)

Explore the true scale of countries, continents, and regions with accurate size comparisons based on spherical geometry. Visualize historical and modern maps, access detailed information, and even test your knowledge with a geography mini-game. Customize your experience by importing and editing map data.

**Highlights:** Accurate size comparisons using spherical geometry, 140,000+ countries, regions, and territories, Detailed tooltips and insights, Historical and modern maps, Import & edit GeoJSON / TopoJSON files, Geography mini-game

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


### Math Zombie Classic

[App page](https://appshunter.io/ios/app/math-zombie-classic-learn/id6756184450)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Zombie Class PRO | $0.99 | one-time |


## Frequently asked questions

### Is TrueSize free?

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

### Is Math Zombie Classic free?

Math Zombie Classic is free to download, with in-app purchases available.

### Do TrueSize or Math Zombie Classic have ads?

Both TrueSize and Math Zombie Classic show ads.

### Which is updated more often, TrueSize or Math Zombie Classic?

TrueSize ships an update every 10 days, and Math Zombie Classic every 10 months. Most recently, TrueSize was updated on October 28, 2026 and Math Zombie Classic on October 25, 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.*