# Minimum Calc vs R3927

The clearest difference is in-app purchases: R3927 at none against Minimum Calc's 1. R3927 also leads on ads (none vs shown). Minimum Calc's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. Minimum Calc sells 1 one-off in-app purchase. R3927 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 19, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Minimum Calc | R3927 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/minimum-calc/id1640356184/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 21 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mihoko Araki](https://appshunter.io/developer/1476136915) | [KMG MISSON.LNC](https://appshunter.io/developer/1874258883) |

## What reviewers say

### Minimum Calc

[App page](https://appshunter.io/ios/app/minimum-calc/id1640356184)

A versatile calculator app offering extensive customization for calculations and appearance. It features a history log, multiple rounding options, and supports split-screen multitasking on iPads.

**Highlights:** History display and reuse, Customizable rounding and decimal places, Thousands separator and decimal symbol options, Percentage calculation, Character and block deletion, 10 color and 68 font options, iPad split view/slide-over support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | one-time |


### R3927

[App page](https://appshunter.io/ios/app/r3927/id6758663436)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Minimum Calc free?

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

### Is R3927 free?

R3927 is free to download, with no in-app purchases.

### Do Minimum Calc or R3927 have ads?

Minimum Calc shows ads; R3927 does not.

### Which is updated more often, Minimum Calc or R3927?

Minimum Calc ships an update every 2 months, and R3927 every 2 months. Most recently, Minimum Calc was updated on October 19, 2026 and R3927 on October 3, 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.*