# Calculator Plus vs Numerical Solver

The clearest difference is in-app purchases: Calculator Plus at none against Numerical Solver's 3. Calculator Plus also leads on update cadence (weekly vs monthly) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Numerical Solver sells 3 in-app purchases, starting at $2.99 per year. Calculator Plus asks for nothing beyond the download.

Calculator Plus ships an update weekly, Numerical Solver monthly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Calculator Plus | Numerical Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 14 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Deep Jerajbhai Davara](https://appshunter.io/developer/1683267123) | [i-SmartSolutions](https://appshunter.io/developer/391390898) |

## What reviewers say

### Calculator Plus

[App page](https://appshunter.io/ios/app/calculator-plus-multicalc/id6738636098)

**Features:** macOS Compatibility

**In-app purchases:** none


### Numerical Solver

[App page](https://appshunter.io/ios/app/numerical-solver/id6746115479)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Create Charts | $2.99 | per year |
| Calculate Integrals | $2.99 | per year |
| Solve system of algebraic eqns | $4.99 | per year |


## Frequently asked questions

### Is Calculator Plus free?

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

### Is Numerical Solver free?

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

### Do Calculator Plus or Numerical Solver have ads?

Neither Calculator Plus nor Numerical Solver shows ads.

### Which is updated more often, Calculator Plus or Numerical Solver?

Calculator Plus ships an update weekly, and Numerical Solver monthly. Most recently, Calculator Plus was updated on October 27, 2026 and Numerical Solver on October 28, 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.*