Shadow Notes vs Kawaii*Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shadow Notes
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This app offers a unique way to manage your personal notes using a hash-based system, securely stored in your private iCloud • You can only access your notes with a hash. • Your notes are saved exclusively in your private iCloud. • Access your notes across devices via iCloud synchronization. Privacy Policy: https://www.apps-laboratory.com/privacy-policy-shadow-notes Terms of Use: https://www.apps-laboratory.com/terms-of-use-shadow-notes
Kawaii*Calc
Personalize your phone's calculator with adorable themes and your own photos. Choose from a variety of aesthetic styles or add pictures of your favorite idols, pets, or characters to make math more fun.
- 45 aesthetic skins
- Personalized photo frames
- Basic arithmetic functions
- Calculation history
- Copy & paste support
- Customizable UI elements
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Make everyday math a little more you. Kawaii Calc turns the plainest tool on your phone into something cute, aesthetic, and completely yours — with 45 adorable skins and your own photos. ◆ 45 Aesthetic Skins (12 free!) Choose from 5 style groups and switch anytime: • Kawaii — dreamy pastel colors and cute designs • Beauty — rose gold and marble for an elegant look • Cool — dark mode and neon for a modern vibe • Flower — sakura and lavender for a natural feel • Lolita — Sweet, Classic, Prince, Gothic and Punk, inspired by Lolita fashion (sold separately as the Lolita Skin Pack) • Shuffle a random skin every time you launch (optional) ◆ Oshikatsu Photo Frame Decorate your calculator with photos of your favorite "oshi" — your fave idol, K-pop star, anime/manga character, VTuber, or even your pet: • Background: a blurred full-screen photo that keeps the UI easy to read • Frame: place a photo on the display inside a clean rectangular frame • 6 badge styles: Heart / Star / Ribbon / Flower / Sparkle / Plain • Custom crop: drag and pinch-zoom to position it just right • All photos stay on your device — nothing is ever uploaded or shared ◆ A Real Calculator, Too • Basic arithmetic (+ − × ÷) and percentages (%) • Calculation history right above the display — tap any result to reuse it • Copy & paste support • Fast, simple, and always easy to read Free to start with 12 skins (3 each in Kawaii, Beauty, Cool and Flower). • Base Skin Pack — unlock the 28 premium skins in Kawaii, Beauty, Cool and Flower • Lolita Skin Pack — unlock the 5 Lolita skins (sold separately from the Base Skin Pack) • Fan Photo Frame Pack — unlock the photo frame feature Find the design that feels like you, and enjoy every calculation.
Screenshots
Verdict
The clearest difference is update cadence: Kawaii*Calc at monthly against Shadow Notes's every 2 months. Kawaii*Calc also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support 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. Shadow Notes sells 2 in-app purchases, starting at $0.99 per month and Kawaii*Calc sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Shadow Notes ships an update every 2 months, Kawaii*Calc monthly. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.
| Parameter | Shadow Notes | Kawaii*Calc |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 44 MB | 71 MB |
| Age rating | 17+ | 4+ |
| Developer | Karamanets Oleksandr | Hiroyuki Ishikawa |
In-app purchases
Shadow Notes
- Monthly3 Days trial$0.991 Month
- Annually7 Days trial$9.991 Year
Kawaii*Calc
- Lolita Skin Pack$1.00
- Base Skin Pack$1.99
- Fan Photo Frame Pack$1.99
Questions
Is Shadow Notes free?
Is Kawaii*Calc free?
Do Shadow Notes or Kawaii*Calc have ads?
Which is updated more often, Shadow Notes or Kawaii*Calc?
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