# 88 constellations vs 3D Global Temperature Map

The clearest difference is price: 88 constellations at Free against 3D Global Temperature Map's $1.99. 88 constellations also leads on update cadence (every 4 months vs every 37 months) and iOS requirement (12.0 vs 15.6). 3D Global Temperature Map's advantage is device support (3 vs 1). On ads and in-app purchases there is nothing between them.

88 constellations is free to download; 3D Global Temperature Map costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

88 constellations ships an update every 4 months, 3D Global Temperature Map every 37 months. The most recent releases landed on July 4, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 88 constellations | 3D Global Temperature Map |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/88-constellations/id879825049/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 37 months |
| Monetization | Free | — |
| Size | 14 MB | 552 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Vascak](https://appshunter.io/developer/868771511) | [俊 姜](https://appshunter.io/developer/974809005) |

## What reviewers say

### 88 constellations

[App page](https://appshunter.io/ios/app/88-constellations/id879825049)

Explore the night sky and identify celestial objects like stars, planets, and constellations. Set the sky to any position and time to learn about the universe.

**Highlights:** Identify stars and planets, View constellations, Set sky position and time, Interactive sky map, Educational astronomy tool

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 88 constellations free?

88 constellations is free to download, with no in-app purchases.

### Is 3D Global Temperature Map free?

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

### Do 88 constellations or 3D Global Temperature Map have ads?

Neither 88 constellations nor 3D Global Temperature Map shows ads.

### Which is updated more often, 88 constellations or 3D Global Temperature Map?

88 constellations ships an update every 4 months, and 3D Global Temperature Map every 37 months. Most recently, 88 constellations was updated on July 4, 2026 and 3D Global Temperature Map on September 17, 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.*