# C++ Q&A vs Calculus

The clearest difference is price: Calculus at Free against C++ Q&A's $0.99. Calculus also leads on ads (none vs shown) and update cadence (every 16 months vs every 39 months). C++ Q&A's advantage is in-app purchases (none vs 13) and iOS requirement (13.0 vs 15.0). On device support there is nothing between them.

Calculus is free to download; C++ Q&A costs $0.99 up front. Calculus sells 13 one-off in-app purchases. C++ Q&A asks for nothing beyond the download.

C++ Q&A ships an update every 39 months, Calculus every 16 months. The most recent releases landed on September 8, 2026 and July 19, 2026 respectively.

## The numbers

| Metric | C++ Q&A | Calculus |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.5 (4 ratings)](https://appshunter.io/ios/app/calculus-pro/id1638196645/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 39 months | **Every 16 months** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 40 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [satoshi goto](https://appshunter.io/developer/1452605561) | [Richard Ssenyonjo](https://appshunter.io/developer/1528776742) |

## What reviewers say

### C++ Q&A

[App page](https://appshunter.io/ios/app/c-plus-plus-q-and-a/id1489443467)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculus

[App page](https://appshunter.io/ios/app/calculus-pro/id1638196645)

Learn calculus comprehensively through 10 chapters and reinforce your understanding with an interactive quiz game. This app caters to both beginners and advanced learners, offering hints and challenging problems. Enjoy a clear, adaptable interface with font size adjustments and light/dark mode support.

**Highlights:** 10-chapter calculus curriculum, Interactive calculus quiz game, Beginner to advanced learning paths, Adjustable font size, Light and dark mode support, Covers differentiation, integration, and differential equations

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 1,000 Coins | $0.99 | one-time |
| Get 5,000 Coins | $1.99 | one-time |
| Get 10,000 Coins | $2.99 | one-time |
| Unlock Calculus 1 | $2.99 | one-time |
| Unlock Calculus 2 | $2.99 | one-time |
| Unlock Calculus 3 | $2.99 | one-time |
| Unlock Chapter 5 | $2.99 | one-time |
| Unlock Calculus 8 | $2.99 | one-time |
| Unlock Calculus 9 | $2.99 | one-time |
| Unlock Calculus 4 | $2.99 | one-time |
| Unlock Calculus 6 | $2.99 | one-time |
| Unlock Calculus 7 | $2.99 | one-time |
| Unlock Calculus 10 | $2.99 | one-time |


## Frequently asked questions

### Is C++ Q&A free?

C++ Q&A costs $0.99, with no in-app purchases.

### Is Calculus free?

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

### Do C++ Q&A or Calculus have ads?

C++ Q&A shows ads; Calculus does not.

### Which is updated more often, C++ Q&A or Calculus?

C++ Q&A ships an update every 39 months, and Calculus every 16 months. Most recently, C++ Q&A was updated on September 8, 2026 and Calculus on July 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.*