# PhotoSolve vs Hidden History Project

The clearest difference is in-app purchases: Hidden History Project at none against PhotoSolve's 14. Hidden History Project also leads on ads (none vs shown) and update cadence (every 9 days vs monthly). On price and device support there is nothing between them.

Both are free to download. PhotoSolve sells 14 in-app purchases, starting at $0.99 per 7 days. Hidden History Project asks for nothing beyond the download.

PhotoSolve ships an update monthly, Hidden History Project every 9 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PhotoSolve | Hidden History Project |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.4K ratings)](https://appshunter.io/ios/app/photosolve-answer-pic-solver/id6446626229/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 72.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Subscription | — |
| Size | 111 MB | 24 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZipoApps](https://appshunter.io/developer/1671444635) | [Ying Chen113492257131](https://appshunter.io/developer/6777512335) |

## What reviewers say

### PhotoSolve

[App page](https://appshunter.io/ios/app/photosolve-answer-pic-solver/id6446626229)

Instantly solve homework and academic questions by simply taking a photo. Get correct answers with detailed explanations to help you learn and understand any subject. This app acts as a comprehensive learning companion for all your academic queries.

**Highlights:** Scan and solve any query, Detailed explanations for learning, Homework and assignment assistance, Instant solutions for any topic, Learn from detailed answers

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $0.99 | per 7 days |
| Homework Helper Unlock Weekly | $2.99 | per 7 days |
| Homework Helper Unlock Weekly | $3.99 | per 7 days |
| Homework Help: Monthly Access | $3.99 | per month |
| PhotoSolve Premium Weekly | $4.99 | per 7 days |
| PhotoSolve Premium Weekly | $4.99 | per 7 days |
| Homework Help: Monthly Access | $6.99 | per month |
| Unlock Pic solver Premium | $7.99 | per month |
| Unlimited Access | $8.99 | per 7 days |
| Unlock Yearly Homework Solver | $14.99 | per year |
| Unlock Yearly Homework Solver | $24.99 | per year |
| Unlock Yearly Homework Solver | $34.99 | per year |
| Access SolveNow Pro Yearly | $49.99 | per year |
| PhotoSolve Lifetime Premium | $39.99 | one-time |

**What reviewers like**

- 🚀 Helpful for homework and tests
- 👍 Reliable and accurate answers
- 💡 Useful for when you forget homework
- 🚀 Provides great explanations

**What reviewers complain about**

- 🐛 Issues with inputting full problems
- 🔋 Too many ads
- 💰 Limited free usage, need to pay for full access

**Reported bugs**

- App stops working or glitches
- Inaccurate scanning and problem-solving

**Requested features**

- Allow inputting full problems
- Reduce ads or offer ad-free version
- Expand free usage limits


### Hidden History Project

[App page](https://appshunter.io/ios/app/hidden-history-project/id6777512333)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PhotoSolve free?

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

### Is Hidden History Project free?

Hidden History Project is free to download, with no in-app purchases.

### Do PhotoSolve or Hidden History Project have ads?

PhotoSolve shows ads; Hidden History Project does not.

### Which is updated more often, PhotoSolve or Hidden History Project?

PhotoSolve ships an update monthly, and Hidden History Project every 9 days. Most recently, PhotoSolve was updated on October 27, 2026 and Hidden History Project 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.*