# Standard Form_Calculator vs Calculus Problem & Quiz Solver

The clearest difference is in-app purchases: Standard Form_Calculator at none against Calculus Problem & Quiz Solver's 2. Standard Form_Calculator also leads on iOS requirement (10.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calculus Problem & Quiz Solver sells 2 in-app purchases, starting at $4.99 per 7 days. Standard Form_Calculator asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Standard Form_Calculator | Calculus Problem & Quiz Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 25 MB | 67 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Sattar](https://appshunter.io/developer/1458483953) | [Kukuh Nomikusain](https://appshunter.io/developer/1739975777) |

## What reviewers say

### Standard Form_Calculator

[App page](https://appshunter.io/ios/app/standard-form-calculator/id1600413007)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculus Problem & Quiz Solver

[App page](https://appshunter.io/ios/app/calculus-problem-and-quiz-solver/id6757754410)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Weekly) | $4.99 | per 7 days |
| Pro (Yearly) | $29.99 | per year |


## Frequently asked questions

### Is Standard Form_Calculator free?

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

### Is Calculus Problem & Quiz Solver free?

Calculus Problem & Quiz Solver is free to download, with in-app purchases available.

### Do Standard Form_Calculator or Calculus Problem & Quiz Solver have ads?

Neither Standard Form_Calculator nor Calculus Problem & Quiz Solver shows ads.

### Which is updated more often, Standard Form_Calculator or Calculus Problem & Quiz Solver?

Standard Form_Calculator ships an update every 3 weeks, and Calculus Problem & Quiz Solver every 3 weeks. Most recently, Standard Form_Calculator was updated on October 14, 2026 and Calculus Problem & Quiz Solver on October 24, 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.*