Comparison

Memo Calculator vs Purrer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Memo Calculator

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
Read full description

Memo Calculator is a useful application that combines a memo pad and a calculation function. A UI similar to notepad and input numbers will automatically calculate the total. It is possible to store light arithmetic expressions, If you jump one line and type on the next line, you can automatically use parentheses mode. You can also move the memo line by long-pressing the left side, so you can manage it conveniently. - Memo and calculation function - Store light arithmetic expressions - Parentheses mode - move memo row - Various color modes Business, Shopping, Travel Expenses, Budget, Household Book, Finance, Accounting, Pocketbook, Shopping It can be used for memo and data management, and for various purposes. thank you Think Human Designed by SuperDG

About

Purrer

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
Read full description

Pet, purr, and relax… no hairballs Purrer is a virtual cat petting app, a simple way to relax and wind down with pets and purrs anywhere you go. A moment of calm while traveling, at work, school, or waiting on hold. Choose your favorite cat breed and pet your purring pocket pet. Carry your hypoallergenic pocket cat wherever you go. • Choose your favorite cat breed and pet until calm • Use Purrer anywhere, between tasks or before sleep for a quick reset1 • Petting and purring cue a natural relaxation response, a physiological counter to stress2 • Pet, purr, and unwind3 with your virtual pocket cat • All purrs, no scratches, no litterbox

Screenshots

Memo Calculator4 screens
Purrer4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard3 real differences · 7 level
Memo Calculator versus Purrer: the parameters behind the verdict, then further details
ParameterMemo CalculatorPurrer
PriceFreeFree
Rating4.9 (16 ratings)5.0 (2 ratings) — better
Positive reviews85.7% of reviews—
Number of ratings16 — better2
Update frequencyWeeklyEvery 5 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.0 — better
Further details — not scored
Size10 MB11 MB
Age rating4+4+
DeveloperSuperDG Inc.Reason Interactive

Customer experience

Memo Calculator

All ratings16 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive85.7%
Neutral14.3%
Negative0.0%

Purrer

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Memo Calculator

No in-app purchases

None

Purrer

No in-app purchases

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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