# APS Panic Button vs Big Calculator Low Vision

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.

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.

## The numbers

| Metric | APS Panic Button | Big Calculator Low Vision |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/aps-panic-button/id536074989/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/big-calculator-low-vision/id1177115993/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 15 months |
| Monetization | **Free** | Paid |
| Size | 56 MB | 8 MB |
| Requires iOS | **6.1** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MCDI Security Products Inc.](https://appshunter.io/developer/536074992) | [N Thorn](https://appshunter.io/developer/630929549) |

## What reviewers say

### APS Panic Button

[App page](https://appshunter.io/ios/app/aps-panic-button/id536074989)

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.

**Highlights:** Receive panic alarms, GPS location tracking, Contact user or dispatch help, Follow me feature for interval alarms, Compatible with SECURITHOR software

**Features:** macOS Compatibility

**In-app purchases:** none


### Big Calculator Low Vision

[App page](https://appshunter.io/ios/app/big-calculator-low-vision/id1177115993)

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.

**Highlights:** High contrast color modes, Large clear buttons, Designed for low vision, Aids low dexterity users, Multiple lighting clarity

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

**In-app purchases:** none


## Frequently asked questions

### Is APS Panic Button free?

APS Panic Button is free to download, with no in-app purchases.

### Is Big Calculator Low Vision free?

Big Calculator Low Vision costs $1.99, with no in-app purchases.

### Which has better reviews, APS Panic Button or Big Calculator Low Vision?

APS Panic Button and Big Calculator Low Vision are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do APS Panic Button or Big Calculator Low Vision have ads?

Neither APS Panic Button nor Big Calculator Low Vision shows ads.

### Which is updated more often, APS Panic Button or Big Calculator Low Vision?

APS Panic Button ships an update every 10 months, and Big Calculator Low Vision every 15 months. Most recently, APS Panic Button was updated on October 7, 2026 and Big Calculator Low Vision on October 7, 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.*