Basic Calculator+ vs Corridor Safety
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Basic Calculator+
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.
- Basic four functions
- Clear display
- Large buttons
- Portrait and landscape modes
- iPad compatible
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This simple calculator with a clear display and large buttons makes calculations easy. Portrait and landscape modes both available on iPad. This app uses the basic functions of the calculator to make the simplest, best, free calculator in the app store.
Corridor Safety
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.
- Real-time emergency alerts
- Personalized evacuation guidance
- Location-based notifications
- Incident reporting
- Communication with security teams
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Introducing Corridor, a next-generation safety platform designed to help protect you and everyone around you when every second matters. Corridor keeps you informed throughout an emergency with real-time alerts and personalized guidance, helping you navigate safely to designated safe zones. Our Mission: Help you understand what’s happening, where the danger is, and how to respond safely when an emergency occurs. Our Solution: Corridor delivers real-time alerts, location-based notifications, and personalized evacuation guidance as situations evolve. Report incidents as they happen, share critical information with security teams, and communicate directly with officers on duty. Our Objective: Reduce exposure to danger and minimize the physical and psychological impact of emergencies by helping you make faster, safer, and more informed decisions.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Basic Calculator+ | Corridor Safety |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (260K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 87.4% of reviews | — |
| Number of ratings | 260K — better | 1 |
| Update frequency | Every 4 months | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 50 MB | 92 MB |
| Age rating | 4+ | 4+ |
| Developer | Best Free Apps | Aqsacom |
Customer experience
Basic Calculator+
Corridor Safety
Bugs and requests
Basic Calculator+
Reported bugs
2 issues- Incorrect calculation results
- Ads covering the screen
Requested features
3 requests- Add fraction button
- Implement order of operations
- Include memory function
Corridor Safety
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Basic Calculator+
No in-app purchases
Corridor Safety
No in-app purchases
Questions
Is Basic Calculator+ free?
Is Corridor Safety free?
Which has better reviews, Basic Calculator+ or Corridor Safety?
Do Basic Calculator+ or Corridor Safety have ads?
Which is updated more often, Basic Calculator+ or Corridor Safety?
Other comparisons
