# Planisphere vs Crab Identifier

The clearest difference is price: Crab Identifier at Free against Planisphere's $1.99. Planisphere's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Crab Identifier is free to download; Planisphere costs $1.99 up front. Crab Identifier sells 2 in-app purchases, starting at $5.99 per 7 days. Planisphere asks for nothing beyond the download.

## The numbers

| Metric | Planisphere | Crab Identifier |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/planisphere/id331897327/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | — |
| Size | 74 MB | 3 MB |
| Requires iOS | **17.6** | 18 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Julian James](https://appshunter.io/developer/293642870) | [Angel App Publishing Ltd.](https://appshunter.io/developer/412814814) |

## What reviewers say

### Planisphere

[App page](https://appshunter.io/ios/app/planisphere/id331897327)

Explore the cosmos with an interactive sky map. Discover constellations, stars, and celestial objects with detailed information. Track celestial bodies and view the sky from any location and time.

**Highlights:** Interactive sky map with pinch-to-zoom, Detailed information on celestial objects, Compass and accelerometer integration, Searchable database of stars and objects, Adjustable date, time, and location, Night Light mode for red tint viewing

**Features:** Vision Pro support

**In-app purchases:** none


### Crab Identifier

[App page](https://appshunter.io/ios/app/crab-identifier/id6762045143)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crab Pro Weekly | $5.99 | per 7 days |
| Crab Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is Planisphere free?

Planisphere costs $1.99, with no in-app purchases.

### Is Crab Identifier free?

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

### Do Planisphere or Crab Identifier have ads?

Neither Planisphere nor Crab Identifier shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*