# TechniCalc Calculator vs BRISTOL

The clearest difference is price: BRISTOL at Free against TechniCalc Calculator's $7.99. BRISTOL also leads on iOS requirement (14.7 vs 17.0). TechniCalc Calculator's advantage is chart position (#193 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

BRISTOL is free to download; TechniCalc Calculator costs $7.99 up front. TechniCalc Calculator sells 4 one-off in-app purchases and BRISTOL sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | TechniCalc Calculator | BRISTOL |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.7 (81 ratings)](https://appshunter.io/ios/app/technicalc-calculator/id1504965415/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 84.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#193** | — |
| Size | 31 MB | 3 MB |
| Requires iOS | 17.0 | **14.7** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jacob Parker](https://appshunter.io/developer/1153284524) | [Christopher Britton](https://appshunter.io/developer/1509732288) |

## What reviewers say

### TechniCalc Calculator

[App page](https://appshunter.io/ios/app/technicalc-calculator/id1504965415)

**Currently charting:** #193 Top Paid · Utilities (US App Store)

This app offers a modern, intuitive interface for complex calculations, supporting scientific, engineering, and advanced mathematical functions. It allows natural equation entry, provides a formula book, and includes unit and currency converters. Available across Apple devices, it caters to students and professionals needing a powerful calculation tool.

**Highlights:** Natural equation entry, Advanced math engine, Formula book and equations, Unit and currency converter, Statistics mode, Equation solvers, Supports multiple Apple devices

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Every Little Helps | $0.99 | one-time |
| Coffee-Sized Tip | $2.99 | one-time |
| Lunch-Sized Tip | $4.99 | one-time |
| Pizza-Sized Tip | $9.99 | one-time |


### BRISTOL

[App page](https://appshunter.io/ios/app/bristol-calculator/id1509732291)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| bristol calculator storage | $3.99 | one-time |


## Frequently asked questions

### Is TechniCalc Calculator free?

TechniCalc Calculator costs $7.99, and also offers in-app purchases.

### Is BRISTOL free?

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

### Do TechniCalc Calculator or BRISTOL have ads?

Neither TechniCalc Calculator nor BRISTOL shows ads.

### Which is updated more often, TechniCalc Calculator or BRISTOL?

TechniCalc Calculator ships an update monthly, and BRISTOL monthly. Most recently, TechniCalc Calculator was updated on September 23, 2026 and BRISTOL on September 18, 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.*