# Calculator vs DETECTO Product Guide

The clearest difference is ads: DETECTO Product Guide at none against Calculator's shown. DETECTO Product Guide also leads on update cadence (every 6 weeks vs every 13 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calculator ships an update every 13 months, DETECTO Product Guide every 6 weeks. The most recent releases landed on October 23, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Calculator | DETECTO Product Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (916 ratings)](https://appshunter.io/ios/app/calculator/id549782479/reviews)** | — |
| Number of ratings | **916** | — |
| Positive reviews | 79.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 31 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Horizon Business, Inc.](https://appshunter.io/developer/431586531) | [Cardinal/Detecto Scale Company](https://appshunter.io/developer/661826679) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator/id549782479)

This is a straightforward calculator application designed for ease of use and clear readability. Users can personalize the app's appearance by choosing their preferred background and display themes.

**Highlights:** Easy to use interface, Clear display, Customizable background, Customizable display themes

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💻 Easy to use
- 🎨 Colorful and visually appealing
- 👀 Large, easy-to-read numbers
- 🎯 Accurate calculations
- 🆓 Free app

**What reviewers complain about**

- 🔊 Loud button clicking sound that can't be turned off
- 📏 Lacks landscape mode
- 🔢 No percentage or advanced math functions

**Reported bugs**

- Sound toggle switch doesn't work to turn off sounds
- App crashes or freezes on some devices

**Requested features**

- Add percentage and other advanced math functions
- Allow landscape mode
- Add option to turn off button sounds


### DETECTO Product Guide

[App page](https://appshunter.io/ios/app/detecto-product-guide/id6756588628)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

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

### Is DETECTO Product Guide free?

DETECTO Product Guide is free to download, with no in-app purchases.

### Do Calculator or DETECTO Product Guide have ads?

Calculator shows ads; DETECTO Product Guide does not.

### Which is updated more often, Calculator or DETECTO Product Guide?

Calculator ships an update every 13 months, and DETECTO Product Guide every 6 weeks. Most recently, Calculator was updated on October 23, 2026 and DETECTO Product Guide on October 11, 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.*