# Micro Fi vs Cosmic Atlas

The clearest difference is rating: Micro Fi at 4.3 against Cosmic Atlas's 3.7. Micro Fi also leads on in-app purchases (none vs 1) and review sentiment (75% vs 59%). Cosmic Atlas's advantage is update cadence (every 3 weeks vs every 44 months) and ratings volume (65 vs 4). On price, ads and device support there is nothing between them.

Both are free to download. Cosmic Atlas sells 1 one-off in-app purchase. Micro Fi asks for nothing beyond the download.

Micro Fi holds the better App Store score, 4.3 against 3.7. That said, the two scores are not equally well evidenced: Cosmic Atlas has 65 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 75% of Micro Fi's written reviews are positive against 59% of Cosmic Atlas's.

Micro Fi ships an update every 44 months, Cosmic Atlas every 3 weeks. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Micro Fi | Cosmic Atlas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/micro-fi/id818703782/reviews)** | [3.7 (65 ratings)](https://appshunter.io/ios/app/cosmic-atlas/id1305522465/reviews) |
| Number of ratings | 4 | **65** |
| Positive reviews | **75.0% of reviews** | 58.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 147 MB |
| Requires iOS | **8.1** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Celestron, LLC](https://appshunter.io/developer/445142854) | [Cosmic Atlas LLC](https://appshunter.io/developer/1503373138) |

## What reviewers say

### Micro Fi

[App page](https://appshunter.io/ios/app/micro-fi/id818703782)

This application connects to a specialized handheld microscope, allowing users to view magnified images on their mobile devices. It facilitates exploration and discovery of the microscopic world directly from a smartphone or tablet.

**Highlights:** Connects to Wi-Fi enabled microscopes, View magnified images on mobile, Explore the microscopic world, User-friendly interface

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

**In-app purchases:** none


### Cosmic Atlas

[App page](https://appshunter.io/ios/app/cosmic-atlas/id1305522465)

Explore a vast, scientifically rendered universe with lifelike exoplanets and detailed celestial bodies. Navigate through trillions of light years with multiple exploration modes, from first-person flight to telescopic identification. Discover and learn about thousands of planets beyond our solar system.

**Highlights:** Explore 5,000+ lifelike exoplanets, Navigate 180 trillion sq light years, Six interstellar travel modes, First-person planet view, Scientifically accurate renderings, Telescope identification mode, Detailed planet information panels

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $0.99 | one-time |

**What reviewers like**

- ✨ Stunning visuals and graphics
- 🌌 Immersive exploration experience
- 📚 Great for learning about the universe
- 💡 Unique and original app
- 🚀 Fast and smooth performance (when working)

**What reviewers complain about**

- 🐛 Frequent crashes and errors
- 💸 Paywalls limit free version
- 🤔 Confusing in-app purchases
- 📱 Text size difficult to read
- 😵 Over-the-top and irritating graphics

**Reported bugs**

- App crashes upon opening
- Kicked out of the game
- Cannot connect to server
- Error that doesn't let user in
- Planets brighten up unexpectedly

**Requested features**

- Add more solar system objects
- Fix Haumea's shape
- Add more candidates, dwarf moons, hypothetical objects, spacecrafts, anomalies, random asteroids, meteoroids, and comets
- Add ability to go into planets and see a preview
- Add more galaxies to travel to


## Frequently asked questions

### Is Micro Fi free?

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

### Is Cosmic Atlas free?

Cosmic Atlas is free to download, with in-app purchases available.

### Which has better reviews, Micro Fi or Cosmic Atlas?

Micro Fi is rated higher. Micro Fi averages 4.3 out of 5 from 4 ratings, while Cosmic Atlas averages 3.7 from 65 ratings.

### Do Micro Fi or Cosmic Atlas have ads?

Neither Micro Fi nor Cosmic Atlas shows ads.

### Which is updated more often, Micro Fi or Cosmic Atlas?

Micro Fi ships an update every 44 months, and Cosmic Atlas every 3 weeks. Most recently, Micro Fi was updated on November 1, 2026 and Cosmic Atlas on November 4, 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.*