# Black hole finder vs Physics Solver

The clearest difference is rating: Physics Solver at 4.9 against Black hole finder's 4.1. Physics Solver also leads on ratings volume (25 vs 7). Black hole finder's advantage is in-app purchases (none vs 2) and update cadence (every 10 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Physics Solver sells 2 in-app purchases, starting at $9.99 per 7 days. Black hole finder asks for nothing beyond the download.

Physics Solver holds the better App Store score, 4.9 against 4.1. Both are backed by a comparable volume of ratings — 7 and 25 respectively.

Black hole finder ships an update every 10 days, Physics Solver every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Black hole finder | Physics Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/black-hole-finder/id6446029571/reviews) | **[4.9 (25 ratings)](https://appshunter.io/ios/app/physics-solver-ai-study/id6743952927/reviews)** |
| Number of ratings | 7 | **25** |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 81 MB | 13 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DDQ](https://appshunter.io/developer/418328467) | [Liberace Pte. Ltd.](https://appshunter.io/developer/1851362112) |

## What reviewers say

### Black hole finder

[App page](https://appshunter.io/ios/app/black-hole-finder/id6446029571)

Contribute to cutting-edge astronomical research by identifying potential black holes and rare elements. Sift through real-time telescope images to detect fleeting light signals from cosmic events and potentially earn co-authorship on scientific publications.

**Highlights:** Analyze real-time telescope images, Detect light signals from cosmic events, Contribute to scientific research, Potential co-authorship on publications, Learn about black holes and neutron star mergers, Direct telescopes for additional measurements

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

**In-app purchases:** none


### Physics Solver

[App page](https://appshunter.io/ios/app/physics-solver-ai-study/id6743952927)

This AI-powered app provides step-by-step solutions and detailed explanations for a wide range of physics topics. It helps students and professionals deepen their understanding of complex concepts with an intuitive interface and advanced algorithms.

**Highlights:** Step-by-step physics solutions, Detailed explanations, Covers various physics branches, Formula calculators, Unit conversions, Kinematics solvers, Circuit analyzers

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $9.99 | per 7 days |
| Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Black hole finder free?

Black hole finder is free to download, with no in-app purchases.

### Is Physics Solver free?

Physics Solver is free to download, with in-app purchases available.

### Which has better reviews, Black hole finder or Physics Solver?

Physics Solver is rated higher. Black hole finder averages 4.1 out of 5 from 7 ratings, while Physics Solver averages 4.9 from 25 ratings.

### Do Black hole finder or Physics Solver have ads?

Neither Black hole finder nor Physics Solver shows ads.

### Which is updated more often, Black hole finder or Physics Solver?

Black hole finder ships an update every 10 days, and Physics Solver every 3 weeks. Most recently, Black hole finder was updated on October 24, 2026 and Physics Solver on October 25, 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.*