# Big Calculator Low Vision vs Object detector for blind

The clearest difference is update cadence: Object detector for blind at every 4 months against Big Calculator Low Vision's every 15 months. Big Calculator Low Vision's advantage is price ($1.99 vs $2.99) and iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Big Calculator Low Vision costs $1.99 and Object detector for blind $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Big Calculator Low Vision ships an update every 15 months, Object detector for blind every 4 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Big Calculator Low Vision | Object detector for blind |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/big-calculator-low-vision/id1177115993/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 4 months** |
| Monetization | Paid | — |
| Size | 8 MB | 2 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [N Thorn](https://appshunter.io/developer/630929549) | [Carlos Obando](https://appshunter.io/developer/818523453) |

## What reviewers say

### 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


### Object detector for blind

[App page](https://appshunter.io/ios/app/object-detector-for-blind/id6477639247)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Big Calculator Low Vision free?

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

### Is Object detector for blind free?

Object detector for blind costs $2.99, with no in-app purchases.

### Do Big Calculator Low Vision or Object detector for blind have ads?

Neither Big Calculator Low Vision nor Object detector for blind shows ads.

### Which is updated more often, Big Calculator Low Vision or Object detector for blind?

Big Calculator Low Vision ships an update every 15 months, and Object detector for blind every 4 months. Most recently, Big Calculator Low Vision was updated on October 29, 2026 and Object detector for blind on October 30, 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.*