# ThetaCalc vs BVCalc

The clearest difference is price: ThetaCalc at Free against BVCalc's $4.99. BVCalc's advantage is update cadence (every 5 weeks vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ThetaCalc is free to download; BVCalc costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ThetaCalc ships an update every 3 months, BVCalc every 5 weeks. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ThetaCalc | BVCalc |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/thetacalc/id1521614636/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 1 MB | 1 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Felix Stehli](https://appshunter.io/developer/1521614638) | [Brian Kenneth Vogel](https://appshunter.io/developer/1757350585) |

## 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


### BVCalc

[App page](https://appshunter.io/ios/app/bvcalc/id6560108221)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ThetaCalc free?

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

### Is BVCalc free?

BVCalc costs $4.99, with no in-app purchases.

### Do ThetaCalc or BVCalc have ads?

Neither ThetaCalc nor BVCalc shows ads.

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

ThetaCalc ships an update every 3 months, and BVCalc every 5 weeks. Most recently, ThetaCalc was updated on October 1, 2026 and BVCalc on October 7, 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.*