# Memo Calculator vs Purrer

The clearest difference is ads: Purrer at none against Memo Calculator's shown. Purrer also leads on monetization model (free vs ad-supported). Memo Calculator's advantage is ratings volume (16 vs 2). On price, rating, update cadence and in-app purchases 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 — 4.9 for Memo Calculator against 5.0 for Purrer. That said, the two scores are not equally well evidenced: Memo Calculator has 16 ratings behind it against 2, so its average is the more settled of the two.

Memo Calculator ships an update weekly, Purrer every 5 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Memo Calculator | Purrer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (16 ratings)](https://appshunter.io/ios/app/memo-calculator-memocalc/id1637776714/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/purrer/id6773021853/reviews)** |
| Number of ratings | **16** | 2 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Ad-supported | **Free** |
| Size | 10 MB | 11 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SuperDG Inc.](https://appshunter.io/developer/635709768) | [Reason Interactive](https://appshunter.io/developer/333333690) |

## What reviewers say

### Memo Calculator

[App page](https://appshunter.io/ios/app/memo-calculator-memocalc/id1637776714)

This app seamlessly integrates a memo pad with a calculator, allowing for automatic calculations as you type. Store arithmetic expressions, utilize parentheses mode, and easily reorder memo lines. It's designed for versatile use in managing finances, shopping lists, and more.

**Highlights:** Integrated memo pad and calculator, Automatic calculation of totals, Store light arithmetic expressions, Parentheses mode for complex calculations, Reorder memo lines by long-pressing, Multiple color modes

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

**In-app purchases:** none


### Purrer

[App page](https://appshunter.io/ios/app/purrer/id6773021853)

A virtual cat petting app designed for relaxation and stress relief. Choose your favorite cat breed and enjoy calming purrs and petting anywhere, anytime. It's a hypoallergenic pocket companion for moments of calm.

**Highlights:** Virtual cat petting, Choose cat breeds, Relaxation and stress relief, Pocket-sized companion, Use anywhere

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

**In-app purchases:** none


## Frequently asked questions

### Is Memo Calculator free?

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

### Is Purrer free?

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

### Which has better reviews, Memo Calculator or Purrer?

Purrer is rated higher. Memo Calculator averages 4.9 out of 5 from 16 ratings, while Purrer averages 5.0 from 2 ratings.

### Do Memo Calculator or Purrer have ads?

Memo Calculator shows ads; Purrer does not.

### Which is updated more often, Memo Calculator or Purrer?

Memo Calculator ships an update weekly, and Purrer every 5 days. Most recently, Memo Calculator was updated on November 7, 2026 and Purrer on October 31, 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.*