# CelestialGuide vs CosmoTime

The clearest difference is review sentiment: CosmoTime at 100% against CelestialGuide's 0%. CosmoTime also leads on price (Free vs $0.99) and rating (5.0 vs 1.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

CosmoTime is free to download; CelestialGuide costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CosmoTime holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of CelestialGuide's written reviews are positive against 100% of CosmoTime's.

CelestialGuide ships an update every 17 months, CosmoTime every 3 months. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CelestialGuide | CosmoTime |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/celestialguide/id649358382/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cosmotime/id6761441228/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 17 MB | 7 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Geoffrey Domm](https://appshunter.io/developer/373378724) | [pezhman mohammadzadehkordestani](https://appshunter.io/developer/1888276473) |

## What reviewers say

### CelestialGuide

[App page](https://appshunter.io/ios/app/celestialguide/id649358382)

Explore the cosmos with an interactive sky map that displays stars, planets, and celestial events. Point your device at the sky to see a real-time representation of your surroundings, with adjustable visibility settings for stars.

**Highlights:** Interactive sky map, Real-time celestial tracking, Adjustable star visibility, Planet and comet locations, Eclipse and transit rendering, Messier Object database, Virtual Orrery

**Features:** macOS Compatibility

**In-app purchases:** none


### CosmoTime

[App page](https://appshunter.io/ios/app/cosmotime/id6761441228)

Explore the universe with this astronomy companion app. It simplifies complex space concepts through interactive visuals, daily insights, and gamified learning. Track your progress and discover major space missions and scientific breakthroughs.

**Highlights:** Explore planets and galaxies, Learn 70+ astronomy concepts, Daily personalized space content, Gamified learning with quizzes, Timeline of space discoveries, Dark-themed interface

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

**In-app purchases:** none


## Frequently asked questions

### Is CelestialGuide free?

CelestialGuide costs $0.99, with no in-app purchases.

### Is CosmoTime free?

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

### Which has better reviews, CelestialGuide or CosmoTime?

CosmoTime is rated higher. CelestialGuide averages 1.0 out of 5 from 1 ratings, while CosmoTime averages 5.0 from 1 ratings.

### Do CelestialGuide or CosmoTime have ads?

Neither CelestialGuide nor CosmoTime shows ads.

### Which is updated more often, CelestialGuide or CosmoTime?

CelestialGuide ships an update every 17 months, and CosmoTime every 3 months. Most recently, CelestialGuide was updated on November 1, 2026 and CosmoTime on November 5, 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.*