# QuickScanner vs ConvertCalc

The clearest difference is update cadence: ConvertCalc at every 8 days against QuickScanner's every 2 months. QuickScanner's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. QuickScanner sells 2 in-app purchases, starting at $0.99 per year and ConvertCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

QuickScanner ships an update every 2 months, ConvertCalc every 8 days. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | QuickScanner | ConvertCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/convertcalc/id6756512186/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 150 MB | 28 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KAZUHIRO KAKIMOTO](https://appshunter.io/developer/1378277306) | [Michael Riehl](https://appshunter.io/developer/1861093934) |

## What reviewers say

### QuickScanner

[App page](https://appshunter.io/ios/app/quickscanner-ocrqrbarcode/id1489089895)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Annual | $0.99 | per year |
| Pro - Lifetime | $4.99 | one-time |


### ConvertCalc

[App page](https://appshunter.io/ios/app/convertcalc/id6756512186)

This app combines a powerful calculator with an advanced unit converter, offering over 200 units across 19 categories. It allows for unified calculations and conversions in one step, with features like live currency exchange and date conversions. An optional pro version unlocks advanced customization and organizational tools.

**Highlights:** Unified calculation and conversion workflow, Over 200 units across 19 categories, Live currency conversion, Multiple calendar system conversions, Age calculator, Customizable themes and layouts, Offline functionality (excluding live currency)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ConvertCalc Pro | $8.99 | one-time |


## Frequently asked questions

### Is QuickScanner free?

QuickScanner is free to download, with in-app purchases available.

### Is ConvertCalc free?

ConvertCalc is free to download, with in-app purchases available.

### Do QuickScanner or ConvertCalc have ads?

Both QuickScanner and ConvertCalc show ads.

### Which is updated more often, QuickScanner or ConvertCalc?

QuickScanner ships an update every 2 months, and ConvertCalc every 8 days. Most recently, QuickScanner was updated on September 17, 2026 and ConvertCalc on September 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*