APS Panic Button vs Big Calculator Low Vision
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
APS Panic Button
This utility app enables alarm monitoring companies using specific software to receive panic alarms from subscribers. It allows dispatchers to contact users or send help to their GPS location. A 'follow me' feature can automatically send alarms at set intervals for GPS tracing.
- Receive panic alarms
- GPS location tracking
- Contact user or dispatch help
- Follow me feature for interval alarms
- Compatible with SECURITHOR software
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*Continued use of GPS running in the background can dramatically decrease battery life.* APS allows alarm monitoring companies using SECURITHOR software (Securithor - http://www.securithor.com) to receive panic alarms from their subscribers owning a compatible iOS device. When a panic alarm is received by the central station, the dispatcher can contact the user with the information they have on file or send help to the GPS location where the alarm was sent from. With the follow me feature, alarms are automatically sent at a user defined interval, allowing to trace the GPS route sent from the device.
Big Calculator Low Vision
This utility app features a high-contrast, large-button calculator designed for users with visual impairments or low dexterity. It offers multiple color modes for optimal clarity in various lighting conditions.
- High contrast color modes
- Large clear buttons
- Designed for low vision
- Aids low dexterity users
- Multiple lighting clarity
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Low Vision Calculator with High Contrast. A Visual impairment aid, BIC CALC is designed with 4 high Contrast Color modes for Good Clarity in Day or Night Lighting. Large print Calculator with big clear buttons for Easy Accuracy. This is very useful for low dexterity users. For larger text and pictures, please visit www.large-print-apps.com. BIG Calc is part of the BIG App Family for Low Vision Visually Impaired Users. Check out Big Keyboard at: https://itunes.apple.com/us/app/big-keys-low-vision-keyboard/id1139220959?mt=8 Check out Big List at: https://itunes.apple.com/us/app/big-list/id1161161455?mt=8
Screenshots
Verdict
The clearest difference is price: APS Panic Button at Free against Big Calculator Low Vision's $1.99. APS Panic Button also leads on iOS requirement (6.1 vs 12.0). On rating, ratings volume, update cadence and ads 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
APS Panic Button is free to download; Big Calculator Low Vision costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for APS Panic Button against 5.0 for Big Calculator Low Vision. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
APS Panic Button ships an update every 10 months, Big Calculator Low Vision every 15 months. Both last shipped on October 7, 2026.
| Parameter | APS Panic Button | Big Calculator Low Vision |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 10 months — better | Every 15 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.1 — better | 12.0 |
| Further details — not scored | ||
| Size | 56 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | MCDI Security Products Inc. | N Thorn |
Customer experience
APS Panic Button
Big Calculator Low Vision
In-app purchases
APS Panic Button
No in-app purchases
Big Calculator Low Vision
No in-app purchases
Questions
Is APS Panic Button free?
Is Big Calculator Low Vision free?
Which has better reviews, APS Panic Button or Big Calculator Low Vision?
Do APS Panic Button or Big Calculator Low Vision have ads?
Which is updated more often, APS Panic Button or Big Calculator Low Vision?
Other comparisons
