# RLM vs Citizen Calculator ⁺

The clearest difference is in-app purchases: Citizen Calculator ⁺ at none against RLM's 4. RLM's advantage is ads (none vs shown) and update cadence (every 2 months vs every 12 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. RLM sells 4 in-app purchases, starting at $0.49 per month. Citizen Calculator ⁺ asks for nothing beyond the download.

RLM ships an update every 2 months, Citizen Calculator ⁺ every 12 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | RLM | Citizen Calculator ⁺ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/citizen-calculator/id1668988303/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 7 MB | 6 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [R.L.M. Software](https://appshunter.io/developer/289639238) | [Rakesh Bhadani](https://appshunter.io/developer/1647133078) |

## What reviewers say

### RLM

[App page](https://appshunter.io/ios/app/rlm-10bx/id1563019331)

This app simulates a powerful financial calculator, offering extensive tools for business, finance, statistics, and scientific calculations. It provides worksheets for loan amortization, bond pricing, currency exchange, and more, all within an intuitive interface designed for iOS devices.

**Highlights:** Finance worksheets (amortization, bond price, time value of money), Business calculations (bill split, break-even, currency exchange), Cash flow analysis, Statistical functions, Scientific and trigonometric functions, Unit and currency conversions, Date and time calculations, Equation solver

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.49 | per month |
| Semi-Annual Subscription | $2.99 | per 6 months |
| Annual Subscription | $5.99 | per year |
| Lifetime Purchase | $9.99 | one-time |


### Citizen Calculator ⁺

[App page](https://appshunter.io/ios/app/citizen-calculator/id1668988303)

This app emulates a CITIZEN calculator, perfect for everyday and business math. It handles basic operations, corrections, percentages, constants, and large numbers, displaying them in scientific notation when needed.

**Highlights:** Basic math operations, Check and correct functionality, Auto replay, Percent calculation, Constants calculation, Number formatting, Grand total (GT)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RLM free?

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

### Is Citizen Calculator ⁺ free?

Citizen Calculator ⁺ is free to download, with no in-app purchases.

### Do RLM or Citizen Calculator ⁺ have ads?

Citizen Calculator ⁺ shows ads; RLM does not.

### Which is updated more often, RLM or Citizen Calculator ⁺?

RLM ships an update every 2 months, and Citizen Calculator ⁺ every 12 months. Most recently, RLM was updated on November 3, 2026 and Citizen Calculator ⁺ on November 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.*