# Calculator vs DocuOCR Scanner

The clearest difference is update cadence: Calculator at every 3 weeks against DocuOCR Scanner's every 3 months. DocuOCR Scanner's advantage is iOS requirement (12.0 vs 16). On price, rating, review sentiment and ratings volume 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 — 4.4 for Calculator against 4.4 for DocuOCR Scanner. Both are backed by a comparable volume of ratings — 8 and 19 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Calculator ships an update every 3 weeks, DocuOCR Scanner every 3 months. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Calculator | DocuOCR Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (8 ratings)](https://appshunter.io/ios/app/calculator-math-solver-cally/id6747886289/reviews)** | [4.4 (19 ratings)](https://appshunter.io/ios/app/docuocr-scanner-image-to-text/id6748348541/reviews) |
| Number of ratings | 8 | **19** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 7 MB | 13 MB |
| Requires iOS | 16 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [鑫磊 韩](https://appshunter.io/developer/1747413821) | [珍珍 项](https://appshunter.io/developer/1743879908) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-math-solver-cally/id6747886289)

This utility app offers a smart and fast way to perform calculations, from basic arithmetic to scientific functions and unit conversions. It also includes features like customization, history tracking, and brain-training math challenges.

**Highlights:** Basic and scientific calculations, Unit conversions, Customizable style, Calculation history, Math challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### DocuOCR Scanner

[App page](https://appshunter.io/ios/app/docuocr-scanner-image-to-text/id6748348541)

Instantly transform printed or handwritten documents into editable digital text with high accuracy. This tool is ideal for digitizing notes, receipts, and forms, offering a fast, secure, and offline OCR solution for both work and study.

**Highlights:** Converts printed and handwritten text, High accuracy OCR, Digitizes notes, receipts, forms, Fast and secure processing, Works offline

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

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

### Is DocuOCR Scanner free?

DocuOCR Scanner is free to download, with no in-app purchases.

### Which has better reviews, Calculator or DocuOCR Scanner?

Calculator is rated higher. Calculator averages 4.4 out of 5 from 8 ratings, while DocuOCR Scanner averages 4.4 from 19 ratings.

### Do Calculator or DocuOCR Scanner have ads?

Both Calculator and DocuOCR Scanner show ads.

### Which is updated more often, Calculator or DocuOCR Scanner?

Calculator ships an update every 3 weeks, and DocuOCR Scanner every 3 months. Most recently, Calculator was updated on October 6, 2026 and DocuOCR Scanner on October 8, 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.*