# Photo Math Calculator vs Redop

The clearest difference is in-app purchases: Redop at none against Photo Math Calculator's 2. Redop also leads on ads (none vs shown) and update cadence (every 2 months vs every 13 months). On price and device support there is nothing between them.

Both are free to download. Photo Math Calculator sells 2 in-app purchases, starting at $3.99 per 7 days. Redop asks for nothing beyond the download.

Photo Math Calculator ships an update every 13 months, Redop every 2 months. The most recent releases landed on September 27, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Photo Math Calculator | Redop |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 35 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maria Raca](https://appshunter.io/developer/1456222159) | [NOVOBYTE SARL](https://appshunter.io/developer/1596611933) |

## What reviewers say

### Photo Math Calculator

[App page](https://appshunter.io/ios/app/photo-math-calculator/id1663143496)

Instantly solve math problems by taking a photo or typing them in. Get step-by-step solutions and explanations for a wide range of math topics, from basic algebra to calculus. Includes graphing and an advanced calculator.

**Highlights:** Solve math problems with camera, Step-by-step solutions, Handwritten problem solving, Graph equations, Advanced scientific calculator, Covers algebra, calculus, geometry, and more

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Photo Calculator Pro Weekly | $3.99 | per 7 days |
| Photo Calculator Pro Yearly | $14.99 | per year |


### Redop

[App page](https://appshunter.io/ios/app/redop/id6749072530)

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

**In-app purchases:** none


## Frequently asked questions

### Is Photo Math Calculator free?

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

### Is Redop free?

Redop is free to download, with no in-app purchases.

### Do Photo Math Calculator or Redop have ads?

Photo Math Calculator shows ads; Redop does not.

### Which is updated more often, Photo Math Calculator or Redop?

Photo Math Calculator ships an update every 13 months, and Redop every 2 months. Most recently, Photo Math Calculator was updated on September 27, 2026 and Redop on September 14, 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.*