# Multifocal Lens Analyzer vs Star Walk 2 Plus

The clearest difference is rating: Star Walk 2 Plus at 4.6 against Multifocal Lens Analyzer's 3.0. Star Walk 2 Plus also leads on ratings volume (96K vs 1). Multifocal Lens Analyzer's advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Multifocal Lens Analyzer sells 1 in-app purchase, starting at $45.99 per year and Star Walk 2 Plus sells 9 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Star Walk 2 Plus holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Star Walk 2 Plus has 96K ratings behind it against 1, so its average is the more settled of the two.

Multifocal Lens Analyzer ships an update every 2 months, Star Walk 2 Plus every 6 weeks. The most recent releases landed on November 2, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Multifocal Lens Analyzer | Star Walk 2 Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/multifocal-lens-analyzer/id1076177667/reviews) | **[4.6 (96K ratings)](https://appshunter.io/ios/app/star-walk-2-plus-live-sky-map/id1112481571/reviews)** |
| Number of ratings | 1 | **96K** |
| Positive reviews | — | 70.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 5 MB | 373 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Qvision, Departamento de Oftalmología](https://appshunter.io/developer/1602553646) | [Vito Technology Inc.](https://appshunter.io/developer/289641503) |

## What reviewers say

### Multifocal Lens Analyzer

[App page](https://appshunter.io/ios/app/multifocal-lens-analyzer/id1076177667)

This application assists vision science professionals in measuring visual acuity defocus curves for multifocal lenses. It offers basic features for free and advanced functionalities through a pro subscription, enhancing clinical practice and research.

**Highlights:** Visual Acuity Defocus Curves, Defocus Lens Range Selection, Snellen Optotypes, Contrast Sensitivity Defocus Curve, Historical Database Storage, Data Export to .CSV

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $45.99 | per year |


### Star Walk 2 Plus

[App page](https://appshunter.io/ios/app/star-walk-2-plus-live-sky-map/id1112481571)

Explore the cosmos with a real-time sky map. Point your device to identify stars, planets, and constellations. Discover celestial events and learn about the universe with detailed information and 3D models.

**Highlights:** Real-time sky map, 3D constellation models, Time machine feature, Deep sky object identification, Augmented reality mode, Celestial event tracking

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StarWalk2 Ads+ Monthly Premium | $0.99 | per month |
| StarWalk2 Ads+ Monthly Premium | $0.99 | per month |
| StarWalk2 Ads+ Yearly Premium | $5.99 | per year |
| StarWalk2 Ads+ Yearly Premium | $5.99 | per year |
| Discover Solar System Objects | $0.99 | one-time |
| Satellite Tracker in the Sky | $0.99 | one-time |
| Night Sky View: without Ads | $2.99 | one-time |
| Night Sky Map: Limited Offer | $5.99 | one-time |
| Night Sky View: No Ads | $8.99 | one-time |

**What reviewers like**

- 🌟 Informative and educational
- 🔭 Accurate star/planet tracking
- 🎨 Beautiful visuals and graphics
- 🔊 Relaxing background music
- 🌍 Useful for stargazing and astronomy

**What reviewers complain about**

- 💢 Excessive and intrusive ads in free version
- 🤔 Confusing navigation and controls
- 🧭 Inaccurate compass and location tracking
- 💰 Expensive in-app purchases required for full features
- 🔄 Frequent app crashes and freezes

**Reported bugs**

- Compass and location tracking issues
- Crashes and freezes when using certain features
- Purchased upgrades not syncing across devices
- Notifications not working as expected

**Requested features**

- Add more detailed information about stars and constellations
- Improve widget functionality and visibility of planets/satellites
- Implement a dark mode for better visibility at night
- Allow customization of the display and overlay options
- Enhance the augmented reality experience


## Frequently asked questions

### Is Multifocal Lens Analyzer free?

Multifocal Lens Analyzer is free to download, with in-app purchases available.

### Is Star Walk 2 Plus free?

Star Walk 2 Plus is free to download, with in-app purchases available.

### Which has better reviews, Multifocal Lens Analyzer or Star Walk 2 Plus?

Star Walk 2 Plus is rated higher. Multifocal Lens Analyzer averages 3.0 out of 5 from 1 ratings, while Star Walk 2 Plus averages 4.6 from 96K ratings.

### Do Multifocal Lens Analyzer or Star Walk 2 Plus have ads?

Star Walk 2 Plus shows ads; Multifocal Lens Analyzer does not.

### Which is updated more often, Multifocal Lens Analyzer or Star Walk 2 Plus?

Multifocal Lens Analyzer ships an update every 2 months, and Star Walk 2 Plus every 6 weeks. Most recently, Multifocal Lens Analyzer was updated on November 2, 2026 and Star Walk 2 Plus on November 12, 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.*