# Basic Calculator+ vs Corridor Safety

The clearest difference is ads: Corridor Safety at none against Basic Calculator+'s shown. Corridor Safety also leads on update cadence (weekly vs every 4 months) and monetization model (free vs free with in-app purchases). Basic Calculator+'s advantage is ratings volume (260K vs 1) and device support (4 vs 2). On price, rating and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Basic Calculator+ against 5.0 for Corridor Safety. That said, the two scores are not equally well evidenced: Basic Calculator+ has 260K ratings behind it against 1, so its average is the more settled of the two.

Basic Calculator+ ships an update every 4 months, Corridor Safety weekly. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Basic Calculator+ | Corridor Safety |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (260K ratings)](https://appshunter.io/ios/app/basic-calculator-plus/id539356791/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/corridor-safety/id6745721719/reviews)** |
| Number of ratings | **260K** | 1 |
| Positive reviews | 87.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 50 MB | 92 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Best Free Apps](https://appshunter.io/developer/539356794) | [Aqsacom](https://appshunter.io/developer/1740603655) |

## What reviewers say

### Basic Calculator+

[App page](https://appshunter.io/ios/app/basic-calculator-plus/id539356791)

Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

**Highlights:** Basic four functions, Clear display, Large buttons, Portrait and landscape modes, iPad compatible

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Large, clear buttons
- 👍 Straightforward, basic functionality
- 👍 No ads or in-app purchases
- 👍 Works well on iPad

**What reviewers complain about**

- 🐛 Inconsistent click volume
- 🐛 Ads can be intrusive or disruptive
- 🐛 Missing backspace/delete function

**Reported bugs**

- Incorrect calculation results
- Ads covering the screen

**Requested features**

- Add fraction button
- Implement order of operations
- Include memory function


### Corridor Safety

[App page](https://appshunter.io/ios/app/corridor-safety/id6745721719)

This safety platform provides real-time alerts and personalized guidance during emergencies. It helps users understand unfolding situations, navigate to safe zones, and report incidents to security teams. The goal is to minimize danger and impact by enabling faster, informed decisions.

**Highlights:** Real-time emergency alerts, Personalized evacuation guidance, Location-based notifications, Incident reporting, Communication with security teams

**In-app purchases:** none


## Frequently asked questions

### Is Basic Calculator+ free?

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

### Is Corridor Safety free?

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

### Which has better reviews, Basic Calculator+ or Corridor Safety?

Corridor Safety is rated higher. Basic Calculator+ averages 4.9 out of 5 from 260K ratings, while Corridor Safety averages 5.0 from 1 ratings.

### Do Basic Calculator+ or Corridor Safety have ads?

Basic Calculator+ shows ads; Corridor Safety does not.

### Which is updated more often, Basic Calculator+ or Corridor Safety?

Basic Calculator+ ships an update every 4 months, and Corridor Safety weekly. Most recently, Basic Calculator+ was updated on October 17, 2026 and Corridor Safety on October 13, 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.*