# Calculator Pro vs RememberRQR

The clearest difference is in-app purchases: RememberRQR at none against Calculator Pro's 2. RememberRQR also leads on ads (none vs shown) and update cadence (every 11 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Calculator Pro sells 2 in-app purchases, starting at $1.99 per month. RememberRQR asks for nothing beyond the download.

Calculator Pro ships an update every 2 months, RememberRQR every 11 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Calculator Pro | RememberRQR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (92 ratings)](https://appshunter.io/ios/app/calculator-pro-calculator-plus/id1638674412/reviews)** | — |
| Number of ratings | **92** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 81 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [敏华 黎](https://appshunter.io/developer/1620356742) | [Christopher Oar](https://appshunter.io/developer/1764962574) |

## What reviewers say

### Calculator Pro

[App page](https://appshunter.io/ios/app/calculator-pro-calculator-plus/id1638674412)

A stylish and convenient calculator app featuring customizable themes and a history log for easy access to past calculations. It offers quick discount calculations and a user-friendly interface for everyday use.

**Highlights:** Cute and stylish themes, Calculation history log, One-click copying, Discount calculation feature, Easy-to-read interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Version | $1.99 | per month |
| Pro Version | $2.99 | one-time |


### RememberRQR

[App page](https://appshunter.io/ios/app/rememberrqr/id6667121045)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Pro free?

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

### Is RememberRQR free?

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

### Do Calculator Pro or RememberRQR have ads?

Calculator Pro shows ads; RememberRQR does not.

### Which is updated more often, Calculator Pro or RememberRQR?

Calculator Pro ships an update every 2 months, and RememberRQR every 11 days. Most recently, Calculator Pro was updated on November 3, 2026 and RememberRQR 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.*