# PyCalc vs RLM

The clearest difference is rating: PyCalc at 5.0 against RLM's 3.1. PyCalc also leads on in-app purchases (none vs 4) and review sentiment (100% vs 67%). RLM's advantage is iOS requirement (15.0 vs 18.0). On price, ratings volume, ads and device support there is nothing between them.

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

PyCalc holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 15 and 7 respectively. Written reviews point the same way: 100% of PyCalc's written reviews are positive against 67% of RLM's.

PyCalc ships an update every 2 weeks, RLM every 5 weeks. The most recent releases landed on September 20, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | PyCalc | RLM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/pycalc/id1594004797/reviews)** | [3.1 (7 ratings)](https://appshunter.io/ios/app/rlm-11cx/id1630739014/reviews) |
| Number of ratings | **15** | 7 |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 120 MB | 6 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Youreka Tech, LLC](https://appshunter.io/developer/1546239960) | [R.L.M. Software](https://appshunter.io/developer/289639238) |

## What reviewers say

### PyCalc

[App page](https://appshunter.io/ios/app/pycalc/id1594004797)

This app offers a revolutionary approach to mobile calculations, allowing users to view and edit entire equations at once. It leverages the power of Python 3.11.1 for advanced functions, symbolic math, and financial analysis, making complex computations accessible on the go.

**Highlights:** Real-time editable calculation view, Python 3.11.1 interpreter, Programmable scientific calculator, Support for matrices and fractions, Built-in Python packages (math, sympy), Financial analysis functions, Symbolic math capabilities

**Features:** macOS Compatibility

**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 PyCalc free?

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

### Is RLM free?

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

### Which has better reviews, PyCalc or RLM?

PyCalc is rated higher. PyCalc averages 5.0 out of 5 from 15 ratings, while RLM averages 3.1 from 7 ratings.

### Do PyCalc or RLM have ads?

Neither PyCalc nor RLM shows ads.

### Which is updated more often, PyCalc or RLM?

PyCalc ships an update every 2 weeks, and RLM every 5 weeks. Most recently, PyCalc was updated on September 20, 2026 and RLM on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*