# Studr vs Pre Calculus

The clearest difference is in-app purchases: Studr at none against Pre Calculus's 8. Studr also leads on update cadence (every 2 weeks vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pre Calculus sells 8 in-app purchases, starting at $1.99 per 7 days. Studr asks for nothing beyond the download.

Studr ships an update every 2 weeks, Pre Calculus every 5 weeks. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Studr | Pre Calculus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/pre-calculus/id6503323104/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 65 MB | 89 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jim de Jong](https://appshunter.io/developer/1724670266) | [Mehmet Demir](https://appshunter.io/developer/1522952577) |

## What reviewers say

### Studr

[App page](https://appshunter.io/ios/app/studr/id6475651315)

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

**In-app purchases:** none


### Pre Calculus

[App page](https://appshunter.io/ios/app/pre-calculus/id6503323104)

This AI-powered app helps with math homework by solving problems from photos and offering chat-based explanations. It allows users to save solutions, use voice commands, and receive answers formatted in LaTeX. It aims to make learning math easier and more engaging.

**Highlights:** Solve math homework from photos, Chat with AI for explanations, Save solved homework questions, LaTeX formatted answers, Read aloud solutions, Speech to text for voice commands

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Question Solver Math Weekly | $1.99 | per 7 days |
| Math Solver | $3.99 | per month |
| Math AI helper Super Math | $5.99 | per 7 days |
| Math Solver Weekly | $5.99 | per 7 days |
| Math AI Solver Homework Helper | $8.99 | per month |
| Homework Helper Super Math ai+ | $8.99 | per month |
| Solver Mah Premium Yearly | $44.99 | per year |
| Math Question Solver Premium | $49.99 | per year |


## Frequently asked questions

### Is Studr free?

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

### Is Pre Calculus free?

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

### Do Studr or Pre Calculus have ads?

Neither Studr nor Pre Calculus shows ads.

### Which is updated more often, Studr or Pre Calculus?

Studr ships an update every 2 weeks, and Pre Calculus every 5 weeks. Most recently, Studr was updated on October 15, 2026 and Pre Calculus on October 19, 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.*