# ThetaCalc vs PyCalc

The clearest difference is rating: PyCalc at 5.0 against ThetaCalc's 4.3. PyCalc also leads on update cadence (every 2 weeks vs every 3 months) and ratings volume (15 vs 4). On price, review sentiment, 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.

PyCalc holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 15 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ThetaCalc ships an update every 3 months, PyCalc every 2 weeks. The most recent releases landed on June 1, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | ThetaCalc | PyCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (4 ratings)](https://appshunter.io/ios/app/thetacalc/id1521614636/reviews) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/pycalc/id1594004797/reviews)** |
| Number of ratings | 4 | **15** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 120 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Felix Stehli](https://appshunter.io/developer/1521614638) | [Youreka Tech, LLC](https://appshunter.io/developer/1546239960) |

## What reviewers say

### ThetaCalc

[App page](https://appshunter.io/ios/app/thetacalc/id1521614636)

This utility app provides a Reverse Polish Notation (RPN) calculator. Users can extend its functionality by programming custom functions and equations using JavaScript.

**Highlights:** Reverse Polish Notation (RPN) calculator, User-programmable functions, JavaScript equation support, Extensible functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ThetaCalc free?

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

### Is PyCalc free?

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

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

PyCalc is rated higher. ThetaCalc averages 4.3 out of 5 from 4 ratings, while PyCalc averages 5.0 from 15 ratings.

### Do ThetaCalc or PyCalc have ads?

Neither ThetaCalc nor PyCalc shows ads.

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

ThetaCalc ships an update every 3 months, and PyCalc every 2 weeks. Most recently, ThetaCalc was updated on June 1, 2026 and PyCalc on September 20, 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.*