# PyCalc vs Scale Ruler

The clearest difference is in-app purchases: PyCalc at none against Scale Ruler's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Scale Ruler sells 1 one-off in-app purchase. PyCalc asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | PyCalc | Scale Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (18 ratings)](https://appshunter.io/ios/app/pycalc/id1594004797/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free | — |
| Size | 120 MB | 7 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Youreka Tech, LLC](https://appshunter.io/developer/1546239960) | [佳 赵](https://appshunter.io/developer/6802149278) |

## 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


### Scale Ruler

[App page](https://appshunter.io/ios/app/scale-ruler-pocket-ruler/id6802178983)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scale Ruler Pro | $1.99 | one-time |


## Frequently asked questions

### Is PyCalc free?

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

### Is Scale Ruler free?

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

### Do PyCalc or Scale Ruler have ads?

Neither PyCalc nor Scale Ruler shows ads.

### Which is updated more often, PyCalc or Scale Ruler?

PyCalc ships an update every 2 weeks, and Scale Ruler every 2 weeks. Most recently, PyCalc was updated on October 24, 2026 and Scale Ruler 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.*