# SFX Scientific Calc Premium vs btSWARM

The clearest difference is price: btSWARM at Free against SFX Scientific Calc Premium's $5.99. btSWARM also leads on rating (5.0 vs 4.3). SFX Scientific Calc Premium's advantage is device support (4 vs 2) and ratings volume (3 vs 1). On update cadence, ads, in-app purchases and iOS requirement there is nothing between them.

btSWARM is free to download; SFX Scientific Calc Premium costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

btSWARM holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

SFX Scientific Calc Premium ships an update monthly, btSWARM every 5 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SFX Scientific Calc Premium | btSWARM |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/sfx-scientific-calc-premium/id1573567879/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/btswarm/id6447056421/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Paid | **Free** |
| Size | 16 MB | 8 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Wai Kwong Lee](https://appshunter.io/developer/1548427960) | [Bluepixel Technologies LLP](https://appshunter.io/developer/1221763602) |

## What reviewers say

### SFX Scientific Calc Premium

[App page](https://appshunter.io/ios/app/sfx-scientific-calc-premium/id1573567879)

This scientific calculator offers advanced functions for academic, scientific, and engineering needs. It supports basic arithmetic, memory storage, statistical calculations, and various mathematical functions. The interface mimics a popular Casio model for ease of use.

**Highlights:** Basic arithmetic operations, Constant and volatile memory storage, Fraction and percentage calculations, Linear regression and statistics, Number base conversions (Binary, Octal, Decimal, Hexadecimal), Trigonometric, hyperbolic, and logarithmic functions, Formula calculations

**Features:** Vision Pro support

**In-app purchases:** none


### btSWARM

[App page](https://appshunter.io/ios/app/btswarm/id6447056421)

This utility app helps locate proprietary beacons within shipments sent to retailers. It provides a specialized tool for tracking goods in transit.

**Highlights:** Locate proprietary beacons, Track shipments to retailers, Specialized utility tool

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SFX Scientific Calc Premium free?

SFX Scientific Calc Premium costs $5.99, with no in-app purchases.

### Is btSWARM free?

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

### Which has better reviews, SFX Scientific Calc Premium or btSWARM?

btSWARM is rated higher. SFX Scientific Calc Premium averages 4.3 out of 5 from 3 ratings, while btSWARM averages 5.0 from 1 ratings.

### Do SFX Scientific Calc Premium or btSWARM have ads?

Neither SFX Scientific Calc Premium nor btSWARM shows ads.

### Which is updated more often, SFX Scientific Calc Premium or btSWARM?

SFX Scientific Calc Premium ships an update monthly, and btSWARM every 5 weeks. Most recently, SFX Scientific Calc Premium was updated on October 25, 2026 and btSWARM 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.*