# Multi Puzzle Solver vs RLM

The clearest difference is price: RLM at Free against Multi Puzzle Solver's $2.99. RLM also leads on update cadence (every 5 weeks vs every 22 months). Multi Puzzle Solver's advantage is rating (5.0 vs 3.1) and in-app purchases (none vs 4). On review sentiment, ratings volume, ads and device support there is nothing between them.

RLM is free to download; Multi Puzzle Solver costs $2.99 up front. RLM sells 4 in-app purchases, starting at $0.49 per month. Multi Puzzle Solver asks for nothing beyond the download.

Multi Puzzle Solver holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews split almost evenly too, at 67% and 67% positive.

Multi Puzzle Solver ships an update every 22 months, RLM every 5 weeks. The most recent releases landed on September 22, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Multi Puzzle Solver | RLM |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/multi-puzzle-solver/id1415700450/reviews)** | [3.1 (7 ratings)](https://appshunter.io/ios/app/rlm-11cx/id1630739014/reviews) |
| Number of ratings | 4 | **7** |
| Positive reviews | 66.7% of reviews | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 5 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 6 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aliaksandr Uvarau](https://appshunter.io/developer/960171474) | [R.L.M. Software](https://appshunter.io/developer/289639238) |

## What reviewers say

### Multi Puzzle Solver

[App page](https://appshunter.io/ios/app/multi-puzzle-solver/id1415700450)

Instantly solve newspaper and magazine puzzles by entering digits. This app automatically resolves Sudoku variants, Futoshiki, and Binary puzzles of various sizes.

**Highlights:** Sudoku solver (9x9), Sudoku-X solver (9x9), Inequality Sudoku solver (9x9), Futoshiki solver (4x4 to 9x9), Binary solver (4x4 to 14x14), Instant puzzle solutions

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

**In-app purchases:** none


### RLM

[App page](https://appshunter.io/ios/app/rlm-11cx/id1630739014)

This app is a scientific and programmable calculator designed for science and engineering, replicating the functionality of the HP-11C. It offers extensive features for finance, business, statistics, complex numbers, and unit conversions, with a programmable interface for custom calculations.

**Highlights:** Finance calculations (amortization, bond price, Black-Scholes), Business functions (break-even, currency exchange), Statistical analysis (regression, probability distributions), Scientific functions (complex numbers, logarithms, trigonometry), Unit and currency conversions, Programmable interface for custom scripts, 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 |


## Frequently asked questions

### Is Multi Puzzle Solver free?

Multi Puzzle Solver costs $2.99, with no in-app purchases.

### Is RLM free?

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

### Which has better reviews, Multi Puzzle Solver or RLM?

Multi Puzzle Solver is rated higher. Multi Puzzle Solver averages 5.0 out of 5 from 4 ratings, while RLM averages 3.1 from 7 ratings.

### Do Multi Puzzle Solver or RLM have ads?

Neither Multi Puzzle Solver nor RLM shows ads.

### Which is updated more often, Multi Puzzle Solver or RLM?

Multi Puzzle Solver ships an update every 22 months, and RLM every 5 weeks. Most recently, Multi Puzzle Solver was updated on September 22, 2026 and RLM on September 30, 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.*