# 3D Global Temperature Map vs AMC 8/10/12 Math Practice Prep

The clearest difference is price: AMC 8/10/12 Math Practice Prep at Free against 3D Global Temperature Map's $1.99. AMC 8/10/12 Math Practice Prep also leads on update cadence (every 4 months vs every 37 months). 3D Global Temperature Map's advantage is in-app purchases (none vs 3) and iOS requirement (15.6 vs 17.0). On ads and device support there is nothing between them.

AMC 8/10/12 Math Practice Prep is free to download; 3D Global Temperature Map costs $1.99 up front. AMC 8/10/12 Math Practice Prep sells 3 in-app purchases, starting at $2.99 per month. 3D Global Temperature Map asks for nothing beyond the download.

3D Global Temperature Map ships an update every 37 months, AMC 8/10/12 Math Practice Prep every 4 months. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 3D Global Temperature Map | AMC 8/10/12 Math Practice Prep |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/amc-81012-math-practice-prep/id6758194799/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 4 months** |
| Monetization | — | Freemium |
| Size | 552 MB | 11 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [俊 姜](https://appshunter.io/developer/974809005) | [Lei Feng](https://appshunter.io/developer/1041447953) |

## What reviewers say

### 3D Global Temperature Map

[App page](https://appshunter.io/ios/app/3d-global-temperature-map/id1466054696)

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

**In-app purchases:** none


### AMC 8/10/12 Math Practice Prep

[App page](https://appshunter.io/ios/app/amc-81012-math-practice-prep/id6758194799)

Prepare for AMC math competitions with interactive diagrams and AI-generated practice questions. Master algebra, geometry, number theory, and combinatorics with smart review tools and detailed analytics. Study offline on any Apple device.

**Highlights:** Infinite AI-generated practice questions, Interactive geometry and coordinate diagrams, Smart review system for mistake analysis, Customizable timed exam simulations, Comprehensive formula reference, Detailed progress analytics, Offline study capability

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AMC Prep Pro Monthly | $2.99 | per month |
| AMC Prep Pro Quarterly 33% savings | $5.99 | per 3 months |
| AMC Prep Pro Annual (50% savings) | $14.99 | per year |


## Frequently asked questions

### Is 3D Global Temperature Map free?

3D Global Temperature Map costs $1.99, with no in-app purchases.

### Is AMC 8/10/12 Math Practice Prep free?

AMC 8/10/12 Math Practice Prep is free to download, with in-app purchases available.

### Do 3D Global Temperature Map or AMC 8/10/12 Math Practice Prep have ads?

Neither 3D Global Temperature Map nor AMC 8/10/12 Math Practice Prep shows ads.

### Which is updated more often, 3D Global Temperature Map or AMC 8/10/12 Math Practice Prep?

3D Global Temperature Map ships an update every 37 months, and AMC 8/10/12 Math Practice Prep every 4 months. Most recently, 3D Global Temperature Map was updated on October 18, 2026 and AMC 8/10/12 Math Practice Prep on October 10, 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.*