# ProgCalc vs calcMod

The clearest difference is update cadence: ProgCalc at fortnightly against calcMod's every 18 months. 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.

ProgCalc ships an update fortnightly, calcMod every 18 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ProgCalc | calcMod |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calcmod-light/id1445360983/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 18 months |
| Monetization | — | Free |
| Size | 12 MB | 1 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Neopoise](https://appshunter.io/developer/563901528) | [Alain Cardinaux](https://appshunter.io/developer/1443066124) |

## What reviewers say

### ProgCalc

[App page](https://appshunter.io/ios/app/progcalc/id1441551265)

**Features:** macOS Compatibility

**In-app purchases:** none


### calcMod

[App page](https://appshunter.io/ios/app/calcmod-light/id1445360983)

This application helps users perform complex mathematical calculations, including factorials, primality tests, and modular arithmetic. It's designed for students and educators interested in number theory and the properties of integers.

**Highlights:** Factorial calculation up to 80!, Primality testing with change mod function, Divisor identification, Modular exponentiation, Modular inverse calculation, Number storage and recall

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ProgCalc free?

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

### Is calcMod free?

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

### Do ProgCalc or calcMod have ads?

Neither ProgCalc nor calcMod shows ads.

### Which is updated more often, ProgCalc or calcMod?

ProgCalc ships an update fortnightly, and calcMod every 18 months. Most recently, ProgCalc was updated on October 7, 2026 and calcMod on October 2, 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.*