# CalC vs Linprog

The clearest difference is in-app purchases: Linprog at none against CalC's 2. CalC's advantage is ads (none vs shown) and update cadence (every 4 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CalC sells 2 in-app purchases, starting at $1.99 per month. Linprog asks for nothing beyond the download.

CalC ships an update every 4 days, Linprog every 2 weeks. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CalC | Linprog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 297 MB | 52 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Le Van Thanh](https://appshunter.io/developer/1835323565) | [Vitalii Solovei](https://appshunter.io/developer/1535373267) |

## What reviewers say

### CalC

[App page](https://appshunter.io/ios/app/calc-scientific-calculator/id6751479006)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $1.99 | per month |
| Premium yearly | $19.99 | per year |


### Linprog

[App page](https://appshunter.io/ios/app/linprog-linear-programming/id6785194507)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalC free?

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

### Is Linprog free?

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

### Do CalC or Linprog have ads?

Linprog shows ads; CalC does not.

### Which is updated more often, CalC or Linprog?

CalC ships an update every 4 days, and Linprog every 2 weeks. Most recently, CalC was updated on October 12, 2026 and Linprog on October 9, 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.*