# R vs Buyments

The clearest difference is iOS requirement: Buyments at 16.4 against R's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | R | Buyments |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/r-map-keystone/id6801757735/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 64 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [R-MAP LLC](https://appshunter.io/developer/1885212034) | [IDEVELOPERS COMPANY FOR DESIGNING AND PROGRAMMING SPECIAL SOFTWARE LLC](https://appshunter.io/developer/1086360412) |

## What reviewers say

### R

[App page](https://appshunter.io/ios/app/r-map-keystone/id6801757735)

This app re-ranks risks based on their impact during worst-case scenarios, differing from standard likelihood-consequence rankings. It visualizes risk correlations and their impact during market crises, offering auditable and reproducible risk assessments.

**Highlights:** Risk re-ranking by worst-year impact, Three-point risk range input, Correlation matrix visualization, Crisis scenario simulation, Error band and sampling error visibility, Reproducible results via seed, Calibration correction

**Features:** Vision Pro support

**In-app purchases:** none


### Buyments

[App page](https://appshunter.io/ios/app/buyments/id6813646638)

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

**In-app purchases:** none


## Frequently asked questions

### Is R free?

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

### Is Buyments free?

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

### Do R or Buyments have ads?

Neither R nor Buyments shows ads.

### Which is updated more often, R or Buyments?

R ships an update monthly, and Buyments monthly. Most recently, R was updated on October 23, 2026 and Buyments on October 24, 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.*