Comparison

Notepad Sanrio characters vs RiichiDeck

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

Head to head
About

Notepad Sanrio characters

Personalize your home screen with cute Sanrio character widgets. Organize shopping lists, to-do lists, and notes with customizable text and background colors. Express your style with beloved characters like Hello Kitty and Cinnamoroll.

Highlights
  • Sanrio character skins
  • Home screen widgets
  • Customizable text color
  • Customizable background color
  • Shopping list organizer
  • To-do list organizer
Features
Read full description

This is a cute notepad APP of Sanrio characters. You can use the skins of Sanrio Chracters, Hello Kitty (Kitty-chan), Cinnamoroll (Cinnamon), Pompompurin and Little Twin Stars (Kiki & Lala). Let's change skins for your favorite one. Cute Sticky Widgets on the home screen is very convenient. Let's use it for shopping lists, to-do lists, etc. You can change the text color and background color of the widget. Let's customize the home screen cutely and conveniently. Ⓒ 2021 SANRIO CO., LTD. APPROVAL NO. 620037

About

RiichiDeck

Read full description

RiichiDeck is an all-in-one companion app designed to streamline 4-Player Japanese Riichi Mahjong, covering score calculation assistance, match logging, mahjong timers, and tournament/league management powered by Web Viewer. [Key Features] * Intuitive Score Entry & Calculation Assistant Quickly and accurately record final scores and tenbo transfers with fu/han input helpers and point declaration assistants. * Mahjong Clock (Match Timer) Equipped with remaining time warning sounds and vibration alerts to keep game pace smooth and on schedule. * Tournament Management, Pairing PDF & Table QR Sync [NEW] Simply scan the table QR code generated on the Web Viewer (browser) pairing PDF with your smartphone camera to automatically set up the table number, round, seated player names, and rule presets in one tap. * Live Tournament Leaderboard & Visual Analytics (Web Viewer Sync) Match results from each table are reflected on the tournament leaderboard in real-time (optimized for big-screen projectors). Easily share score trend charts and player performance stats via URL or image cards. * Mahjong Glossary (All 38 Yaku & Rules Guide) Search and reference all 38 Yaku conditions, han values, fu calculations, and essential mahjong terminology inside the app. Perfect for quick rule checks and beginner support. * Match Memo for Each Hanchan Record custom notes (up to 300 characters) such as Yakuman milestones, game reviews, or reflections on each match card. * Full 5-Language Multilingual Support The app interface, settings, and Web Viewer seamlessly support English, Japanese, Traditional Chinese, Simplified Chinese, and Korean. Ideal for international tournaments and global friendlies. * No Registration Required & Privacy-Focused Design All match data is stored safely on your device, ready to use immediately without any sign-up or login. When using tournament sync or Web Viewer sharing, data is securely relayed temporarily without requiring any user account. * Note: Designed exclusively for 4-Player Japanese Riichi Mahjong (3-Player / Sanma is not supported). [Terms of Use & Privacy Policy] * Terms of Use (EULA / Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ * Service Terms: https://riichideck.com/terms.html * Privacy Policy: https://riichideck.com/privacy.html

Screenshots

Notepad Sanrio characters4 screens
RiichiDeck4 screens

Verdict

The call

The clearest difference is in-app purchases: Notepad Sanrio characters at none against RiichiDeck's 2. RiichiDeck's advantage is ads (none vs shown) and update cadence (every 2 days vs every 4 months). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. RiichiDeck sells 2 in-app purchases, starting at $0.99 per month. Notepad Sanrio characters asks for nothing beyond the download.

UpkeepUpdate frequency

Notepad Sanrio characters ships an update every 4 months, RiichiDeck every 2 days. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 7 level
Notepad Sanrio characters versus RiichiDeck: the parameters behind the verdict, then further details
ParameterNotepad Sanrio charactersRiichiDeck
PriceFreeFree
Rating4.5 (1.9K ratings) — better—
Positive reviews80.6% of reviews—
Number of ratings1.9K — better—
Update frequencyEvery 4 monthsEvery 2 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size132 MB72 MB
Age rating4+4+
DeveloperArtsPlanetShinya Fukumura

Bugs and requests

Notepad Sanrio characters

Reported bugs

2 issues
  • Widget not updating with latest note content
  • Capsule gacha sometimes not working as intended

Requested features

4 requests
  • Add more Sanrio characters like My Melody and Kuromi
  • Allow multiple notes/widgets to be saved
  • Improve capsule gacha reliability
  • Provide option to change widget background color

RiichiDeck

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Notepad Sanrio characters

No in-app purchases

2 purchases

RiichiDeck

Subscriptions1
  • RiichiDeck Pro (Monthly)$0.991 Month
One-time1
  • RiichiDeck Pro (Lifetime)$6.99

Questions

Is Notepad Sanrio characters free?
Notepad Sanrio characters is free to download, with no in-app purchases.
Is RiichiDeck free?
RiichiDeck is free to download, with in-app purchases available.
Do Notepad Sanrio characters or RiichiDeck have ads?
Notepad Sanrio characters shows ads; RiichiDeck does not.
Which is updated more often, Notepad Sanrio characters or RiichiDeck?
Notepad Sanrio characters ships an update every 4 months, and RiichiDeck every 2 days. Most recently, Notepad Sanrio characters was updated on November 7, 2026 and RiichiDeck on November 6, 2026.

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