# Fast Equation Plus vs Photo Math Solver

The clearest difference is price: Photo Math Solver at Free against Fast Equation Plus's $0.99. Photo Math Solver also leads on update cadence (every 5 weeks vs every 6 months). Fast Equation Plus's advantage is in-app purchases (none vs 3) and device support (5 vs 3). On ads there is nothing between them.

Photo Math Solver is free to download; Fast Equation Plus costs $0.99 up front. Photo Math Solver sells 3 in-app purchases, starting at $4.99 per 7 days. Fast Equation Plus asks for nothing beyond the download.

Fast Equation Plus ships an update every 6 months, Photo Math Solver every 5 weeks. The most recent releases landed on September 30, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Fast Equation Plus | Photo Math Solver |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.5 (21 ratings)](https://appshunter.io/ios/app/photo-math-solver-iwatch-math/id6670729217/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | — | Freemium |
| Size | 3 MB | 68 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 9+ |
| Developer | [a Rausa](https://appshunter.io/developer/638439637) | [Kalyani Bhimavarapu](https://appshunter.io/developer/1528304887) |

## What reviewers say

### Fast Equation Plus

[App page](https://appshunter.io/ios/app/fast-equation-plus/id887161077)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Photo Math Solver

[App page](https://appshunter.io/ios/app/photo-math-solver-iwatch-math/id6670729217)

This AI-powered app helps students solve homework problems across various subjects by snapping photos. It provides step-by-step explanations and organizes study materials like PDFs and links. Access your questions and notes on your Apple Watch for on-the-go learning.

**Highlights:** AI-powered problem solving, Step-by-step explanations, Study materials organization, Follow-up questions, Complete question history, Apple Watch integration, Seamless device sync

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access - Weekly | $4.99 | per 7 days |
| Premium Access - Monthly | $9.99 | per month |
| Premium access for lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Fast Equation Plus free?

Fast Equation Plus costs $0.99, with no in-app purchases.

### Is Photo Math Solver free?

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

### Do Fast Equation Plus or Photo Math Solver have ads?

Neither Fast Equation Plus nor Photo Math Solver shows ads.

### Which is updated more often, Fast Equation Plus or Photo Math Solver?

Fast Equation Plus ships an update every 6 months, and Photo Math Solver every 5 weeks. Most recently, Fast Equation Plus was updated on September 30, 2026 and Photo Math Solver on October 20, 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.*