# ClevCalc vs BST Scanner

The clearest difference is in-app purchases: BST Scanner at none against ClevCalc's 3. BST Scanner also leads on ads (none vs shown) and review sentiment (100% vs 91%). ClevCalc's advantage is update cadence (monthly vs every 24 months). On price and device support there is nothing between them.

Both are free to download. ClevCalc sells 3 in-app purchases, starting at $2.99 per month. BST Scanner asks for nothing beyond the download.

ClevCalc ships an update monthly, BST Scanner every 24 months. The most recent releases landed on September 27, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ClevCalc | BST Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (14K ratings)](https://appshunter.io/ios/app/clevcalc-calculator/id1221235593/reviews)** | — |
| Number of ratings | **14K** | — |
| Positive reviews | 91.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 24 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 117 MB | 23 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Cleveni Inc.](https://appshunter.io/developer/1221235592) | [Brad Taylor](https://appshunter.io/developer/1497253876) |

## What reviewers say

### ClevCalc

[App page](https://appshunter.io/ios/app/clevcalc-calculator/id1221235593)

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

**Highlights:** Scientific calculator, Unit converter, Currency converter, Loan calculator, Health calculator (BMI, BMR), Date calculator, GPA calculator

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $2.99 | per month |
| Premium Subscription | $24.99 | per year |
| Premium version | $13.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient calculations
- 💡 Versatile features (currency, unit conversions, etc.)
- 👍 Intuitive interface
- 👍 Helpful for daily tasks

**What reviewers complain about**

- 💰 Subscription model too expensive
- 🔍 Ads can be intrusive
- 🐛 Occasional UI issues (e.g. ads blocking functionality)
- 🔍 Lack of advanced features (e.g. RPN mode, binary calculator)

**Reported bugs**

- Keystrokes not always registering
- Compatibility issues with older devices

**Requested features**

- Dark mode option
- Ability to save/recall calculations
- More customization options
- Integration with other apps/platforms


### BST Scanner

[App page](https://appshunter.io/ios/app/bst-scanner/id1514100162)

Utilize your device's camera or laser to scan barcodes found on the BST Apps website. This tool streamlines the process of accessing product information directly from the site.

**Highlights:** Scan barcodes using camera, Scan barcodes using laser, Access product information, Integrates with BST Apps website

**In-app purchases:** none


## Frequently asked questions

### Is ClevCalc free?

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

### Is BST Scanner free?

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

### Do ClevCalc or BST Scanner have ads?

ClevCalc shows ads; BST Scanner does not.

### Which is updated more often, ClevCalc or BST Scanner?

ClevCalc ships an update monthly, and BST Scanner every 24 months. Most recently, ClevCalc was updated on September 27, 2026 and BST Scanner 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.*