# longlearndo vs Calculus Problem & Quiz Solver

The clearest difference is in-app purchases: longlearndo at none against Calculus Problem & Quiz Solver's 2. Calculus Problem & Quiz Solver's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement 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. longlearndo asks for nothing beyond the download.

longlearndo ships an update every 3 months, Calculus Problem & Quiz Solver every 3 weeks. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | longlearndo | Calculus Problem & Quiz Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 222 MB | 67 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [CONICLE COMPANY LIMITED](https://appshunter.io/developer/979282578) | [Kukuh Nomikusain](https://appshunter.io/developer/1739975777) |

## What reviewers say

### longlearndo

[App page](https://appshunter.io/ios/app/longlearndo/id6469988063)

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

**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 longlearndo free?

longlearndo 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 longlearndo or Calculus Problem & Quiz Solver have ads?

Neither longlearndo nor Calculus Problem & Quiz Solver shows ads.

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

longlearndo ships an update every 3 months, and Calculus Problem & Quiz Solver every 3 weeks. Most recently, longlearndo was updated on September 17, 2026 and Calculus Problem & Quiz Solver on September 15, 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.*