# Physics Solver vs Flux

The clearest difference is update cadence: Flux at every 5 days against Physics Solver's monthly. Physics Solver's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Physics Solver sells 2 in-app purchases, starting at $3.99 per 7 days and Flux sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Physics Solver ships an update monthly, Flux every 5 days. The most recent releases landed on August 16, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Physics Solver | Flux |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/physics-solver-phyfella/id6758235425/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 22 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cem Avci](https://appshunter.io/developer/1707513968) | [Rostislav Kaitukov](https://appshunter.io/developer/1724553662) |

## What reviewers say

### Physics Solver

[App page](https://appshunter.io/ios/app/physics-solver-phyfella/id6758235425)

Solve physics problems instantly by snapping a photo. Get step-by-step solutions, ask follow-up questions in an interactive chat, and master concepts with flashcards and quizzes. Ideal for students, parents, and anyone needing physics help.

**Highlights:** Step-by-step physics solutions, Interactive AI chat for questions, Photo upload for problems, Flashcards and quizzes, Physics cheat sheets, Save and revisit problems

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $3.99 | per 7 days |
| Annual Pro | $24.99 | per year |


### Flux

[App page](https://appshunter.io/ios/app/flux-ai-homework-solver/id6758519980)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Weekly Plan | $6.99 | per 7 days |
| Unlimited Monthly Plan | $9.99 | per month |
| Unlimited Yearly Plan | $29.99 | per year |


## Frequently asked questions

### Is Physics Solver free?

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

### Is Flux free?

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

### Do Physics Solver or Flux have ads?

Neither Physics Solver nor Flux shows ads.

### Which is updated more often, Physics Solver or Flux?

Physics Solver ships an update monthly, and Flux every 5 days. Most recently, Physics Solver was updated on August 16, 2026 and Flux on September 8, 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.*