# ProblemSum vs Photo Solver

The clearest difference is price: Photo Solver at Free against ProblemSum's $2.99. Photo Solver also leads on update cadence (every 5 days vs every 5 weeks) and iOS requirement (13.4 vs 18.0). ProblemSum's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Photo Solver is free to download; ProblemSum costs $2.99 up front. Photo Solver sells 2 in-app purchases, starting at $8.95 per 7 days. ProblemSum asks for nothing beyond the download.

ProblemSum ships an update every 5 weeks, Photo Solver every 5 days. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ProblemSum | Photo Solver |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/problemsum/id1273718042/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Paid | — |
| Size | 2 MB | 91 MB |
| Requires iOS | 18.0 | **13.4** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [Aeterna Solutions](https://appshunter.io/developer/1273718041) | [AI SPARKS LABS](https://appshunter.io/developer/1755598379) |

## What reviewers say

### ProblemSum

[App page](https://appshunter.io/ios/app/problemsum/id1273718042)

Practice math word problems aligned with the Singapore Mathematics syllabus for Primary 6 students. Get detailed solutions for each problem. The app works offline and requires no account.

**Highlights:** Random math word problem generation, Singapore Math syllabus alignment, Detailed step-by-step solutions, Offline functionality, No account required, Ad-free experience

**Features:** Vision Pro support

**In-app purchases:** none


### Photo Solver

[App page](https://appshunter.io/ios/app/photo-solver-classmate-ai/id6511247751)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $8.95 | per 7 days |
| Yearly | $48.49 | per year |


## Frequently asked questions

### Is ProblemSum free?

ProblemSum costs $2.99, with no in-app purchases.

### Is Photo Solver free?

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

### Do ProblemSum or Photo Solver have ads?

Photo Solver shows ads; ProblemSum does not.

### Which is updated more often, ProblemSum or Photo Solver?

ProblemSum ships an update every 5 weeks, and Photo Solver every 5 days. Most recently, ProblemSum was updated on October 3, 2026 and Photo Solver on September 30, 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.*