# 3D Global Temperature Map vs Speed Reading

The clearest difference is price: Speed Reading at Free against 3D Global Temperature Map's $1.99. Speed Reading also leads on update cadence (every 2 months vs every 37 months). 3D Global Temperature Map's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On ads there is nothing between them.

Speed Reading is free to download; 3D Global Temperature Map costs $1.99 up front. Speed Reading 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, Speed Reading every 2 months. The most recent releases landed on October 18, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 3D Global Temperature Map | Speed Reading |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 2 months** |
| Size | 552 MB | 9 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [俊 姜](https://appshunter.io/developer/974809005) | [James Butler](https://appshunter.io/developer/978686771) |

## 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


### Speed Reading

[App page](https://appshunter.io/ios/app/speed-reading-rive/id6759064260)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rive Pro Monthly | $2.99 | per month |
| Rive Pro Yearly | $14.99 | per year |
| Rive Pro Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is 3D Global Temperature Map free?

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

### Is Speed Reading free?

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

### Do 3D Global Temperature Map or Speed Reading have ads?

Neither 3D Global Temperature Map nor Speed Reading shows ads.

### Which is updated more often, 3D Global Temperature Map or Speed Reading?

3D Global Temperature Map ships an update every 37 months, and Speed Reading every 2 months. Most recently, 3D Global Temperature Map was updated on October 18, 2026 and Speed Reading on October 11, 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.*