# Micro Fi vs Constellation Map mobile

The clearest difference is in-app purchases: Micro Fi at none against Constellation Map mobile's 1. Micro Fi also leads on ads (none vs shown) and iOS requirement (8.1 vs 13.0). Constellation Map mobile's advantage is rating (4.7 vs 4.3) and update cadence (every 3 weeks vs every 44 months). On price and device support there is nothing between them.

Both are free to download. Constellation Map mobile sells 1 in-app purchase, starting at $1.99 per month. Micro Fi asks for nothing beyond the download.

Constellation Map mobile holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Constellation Map mobile has 4.6K 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 86% of Constellation Map mobile's.

Micro Fi ships an update every 44 months, Constellation Map mobile every 3 weeks. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Micro Fi | Constellation Map mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (4 ratings)](https://appshunter.io/ios/app/micro-fi/id818703782/reviews) | **[4.7 (4.6K ratings)](https://appshunter.io/ios/app/constellation-map-mobile/id1435568096/reviews)** |
| Number of ratings | 4 | **4.6K** |
| Positive reviews | 75.0% of reviews | **86.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 44 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 39 MB |
| Requires iOS | **8.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Celestron, LLC](https://appshunter.io/developer/445142854) | [siranet GK](https://appshunter.io/developer/1435568095) |

## 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


### Constellation Map mobile

[App page](https://appshunter.io/ios/app/constellation-map-mobile/id1435568096)

Explore the night sky by pointing your device upwards. Identify stars, constellations, and planets with detailed information. View celestial bodies below the horizon and track planetary orbits.

**Highlights:** Identify stars, constellations, and planets, View celestial bodies below the horizon, Track planetary orbits, Display over 100 bright stars and objects, Zoom and pan with touch gestures, Toggle display of constellation lines and names

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads  1 month | $1.99 | per month |

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate star/planet mapping
- 💡 Helpful for beginners and experts
- 🌟 Great for stargazing and astrophotography
- 🌙 Useful moon phase and solar orbit information

**What reviewers complain about**

- 🐛 Alignment/calibration issues
- 🔀 Reversed/incorrect orientation
- 🔍 Difficulty locating specific celestial objects
- 💻 Compatibility problems on some devices

**Reported bugs**

- App crashes on opening
- Incorrect positioning of sun, moon, and planets
- Constellation names disappearing or not displaying properly

**Requested features**

- Add option to view constellations from inside the celestial sphere
- Improve search functionality to easily find planets, stars, and galaxies
- Provide more detailed information and descriptions for celestial objects
- Add ability to calibrate the app to match the actual sky view


## Frequently asked questions

### Is Micro Fi free?

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

### Is Constellation Map mobile free?

Constellation Map mobile is free to download, with in-app purchases available.

### Which has better reviews, Micro Fi or Constellation Map mobile?

Constellation Map mobile is rated higher. Micro Fi averages 4.3 out of 5 from 4 ratings, while Constellation Map mobile averages 4.7 from 4.6K ratings.

### Do Micro Fi or Constellation Map mobile have ads?

Constellation Map mobile shows ads; Micro Fi does not.

### Which is updated more often, Micro Fi or Constellation Map mobile?

Micro Fi ships an update every 44 months, and Constellation Map mobile every 3 weeks. Most recently, Micro Fi was updated on October 15, 2026 and Constellation Map mobile on October 21, 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.*