WoofCalc vs KnitReader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WoofCalc
Read full descriptionHide full description
Woof Calc is a delightful calculator app that makes math fun with adorable dog sounds and beautiful dog-themed backgrounds. 【Key Features】 • Dog Sound Effects - Every number and operator plays a cute dog bark • Beautiful Dog Backgrounds - Choose from 17 free dog images and 21 premium dog photos • Customizable Themes - Mix and match backgrounds, button colors, and create your perfect calculator • Full Calculator Functions - Basic arithmetic, percentages, parentheses for complex calculations • Smooth Experience - Haptic feedback and smooth animations for satisfying interactions • Accessibility - Full VoiceOver support and Dynamic Type for easy use 【Perfect For】 • Dog lovers • Parents looking for fun educational apps for kids • Anyone who wants to make calculations more enjoyable • People who appreciate cute and relaxing apps • Students who need motivation for math 【In-App Purchase】 • Core features are completely free • Premium Dog Pack (21 exclusive dog photos) available as one-time purchase • Ads supported, but full calculator functionality is available for free Make your daily calculations more fun with adorable puppies!
KnitReader
Read full descriptionHide full description
Load your knitting chart image and easily keep track of which row you're on. 【How to use】 1. Import a chart image from your photo library 2. Set up row positions with drag & pinch 3. Tap + to advance, − to go back 【Features】 · Row markers: highlights your current row in yellow · Check count: tracks your total row progress · Handwriting: write notes while viewing your chart · Project saving: save and resume your work anytime · iCloud sync is now supported [Premium Plan] · One-time purchase, no subscription · Row settings support not only squares but also circles and ovals · Vertical row settings are now available. · After configuring square and vertical settings, you can fill with dot mode. · Expand save slots from 1 to 50 · Simple Counter: Add standalone counters or linked counters · Notifications: Set notifications for each counter — change row color or display a custom message via dialog 【Starter Plan】 ・All features are the same as the Premium Plan ・Project save slots expanded from 1 to 5
Screenshots
Verdict
The clearest difference is ads: KnitReader at none against WoofCalc's shown. KnitReader also leads on update cadence (weekly vs monthly). On price, in-app purchases, device support and iOS requirement 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
Both are free to download. WoofCalc sells 1 one-off in-app purchase and KnitReader sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
WoofCalc ships an update monthly, KnitReader weekly. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.
| Parameter | WoofCalc | KnitReader |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 54 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | TATSUYA ASANO | Yui Akiba |
In-app purchases
WoofCalc
- Premium Version$1.99
KnitReader
- Starter Plan$0.99
- Premium Plan$2.99









