# Calc vs Progressia

The clearest difference is update cadence: Calc at every 10 months against Progressia's every 41 months. Calc also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calc ships an update every 10 months, Progressia every 41 months. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Calc | Progressia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/calc-50/id1193016704/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 41 months |
| Monetization | Free | — |
| Size | 38 MB | 2 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Smith](https://appshunter.io/developer/1193016703) | [William Chrisandy](https://appshunter.io/developer/1631957766) |

## What reviewers say

### Calc

[App page](https://appshunter.io/ios/app/calc-50/id1193016704)

This app offers a high-precision scientific calculator with over 50 digits of accuracy. It supports advanced mathematical functions, complex arithmetic, and programmable features for derivatives, integrals, and root finding.

**Highlights:** High-precision calculations (50+ digits), Extensive mathematical functions, Programmable features, Complex arithmetic, Graphing capabilities, Derivative and integral calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### Progressia

[App page](https://appshunter.io/ios/app/progressia/id1637570812)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calc free?

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

### Is Progressia free?

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

### Do Calc or Progressia have ads?

Neither Calc nor Progressia shows ads.

### Which is updated more often, Calc or Progressia?

Calc ships an update every 10 months, and Progressia every 41 months. Most recently, Calc was updated on October 2, 2026 and Progressia on October 1, 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.*