Comparison

SyncNote vs Sake Stamp Book

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

Head to head
About

SyncNote

Features
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A planning app with everything you need for managing your day, built for people who don't want their phone to be a distraction. Do you pick up your phone to check something and end up scrolling social media or videos? You have things to do, but every time you open your phone, you end up in unrelated apps. The developer struggled with this same procrastination problem, and that's how SyncNote was born. SyncNote connects your PC and phone through a web browser, reducing the reasons to open your phone and the chances of getting distracted. It's designed so you can plan on your PC and use your phone mainly for checking and quick input when you're out. Every detail of the UI and interactions has been carefully crafted so you can check what you need and close the app right away. SyncNote includes all the simple features you need for managing your day. - Calendar: Set up categories to manage your schedule and see what you need to do today - Diary: A calendar-linked diary where you can record and reflect on each day - TODO List: Simple task management to organize what needs to be done and get started without hesitation - Memo: Write down ideas and thoughts before you forget them - SyncNote AI (AI Assistant): AI can check your calendar, diary, and memo for anything you might be overlooking (available when enabled in settings) [Perfect for you if...] - You pick up your phone and end up opening unrelated apps - You make plans but forget them, or can't decide where to start - "I'll do it later" keeps piling up and you never look back - Switching between calendar, TODO, and notes apps is a hassle - You want AI to help you stay on top of your schedule [Why SyncNote helps you focus] - You can plan on your PC and check or input on your phone when you're out. You can open it, check, and close it right away - A refined, simple design that doesn't distract you with unnecessary elements - Calendar, diary, TODO, and memo are all in one place, so you don't need to switch between apps [Key Features] - Calendar – Manage your schedule with daily and monthly views - Diary – Record reflections right alongside your schedule - SyncNote AI (AI Assistant) – Ask AI if you're forgetting anything (available when enabled in settings) - Real-Time Sync – Your PC and phone stay in sync instantly - TODO List – Organize what needs to be done and get started without overthinking - Memo – Write down thoughts before they slip away - Dark Mode – Switch to an eye-friendly night mode - SSO Sign In – Log in with email, or use your Google or Apple account - Multi-language – Japanese and English Terms of Use: https://sync-note.com/terms/

About

Sake Stamp Book

Features
Read full description

“Sake Stamp Book” is an app that lets you record the sake you’ve enjoyed while aiming to complete all prefectures across Japan. No in-app purchases. ◆ Key Features ・Record your sake (name / brewery / prefecture / rating / notes) ・Save memories with photos ・Organize your records by prefecture ・Visualize your collection progress ◆ Perfect for ・Sake lovers ・Travel enthusiasts ・Anyone who enjoys keeping records Turn every drink into a memory. Start building your own Sake Stamp Book.

Screenshots

SyncNote3 screens
Sake Stamp Book4 screens

Verdict

The call

The clearest difference is in-app purchases: Sake Stamp Book at none against SyncNote's 4. SyncNote's advantage is ads (none vs shown) and iOS requirement (15.1 vs 18.6). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SyncNote sells 4 in-app purchases, starting at $1.99 per month. Sake Stamp Book asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 18, 2026 and September 30, 2026 respectively.

Scorecard3 real differences · 3 level
SyncNote versus Sake Stamp Book: the parameters behind the verdict, then further details
ParameterSyncNoteSake Stamp Book
PriceFreeFree
Update frequencyWeeklyWeekly
AdsNo — betterYes
In-app purchasesYesNo — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better18.6
Further details — not scored
Size47 MB19 MB
Age rating4+17+
DeveloperKenya IkedaRYUSUKE ISHIZAWA

In-app purchases

4 purchases

SyncNote

Subscriptions3
  • SyncNote Calendar Pro$1.991 Month
  • SyncNote Calendar Pro$9.996 Months
  • SyncNote Calendar Pro$14.991 Year
One-time1
  • SyncNote Calendar Pro$29.99
None

Sake Stamp Book

No in-app purchases

Questions

Is SyncNote free?
SyncNote is free to download, with in-app purchases available.
Is Sake Stamp Book free?
Sake Stamp Book is free to download, with no in-app purchases.
Do SyncNote or Sake Stamp Book have ads?
Sake Stamp Book shows ads; SyncNote does not.
Which is updated more often, SyncNote or Sake Stamp Book?
SyncNote ships an update weekly, and Sake Stamp Book weekly. Most recently, SyncNote was updated on September 18, 2026 and Sake Stamp Book on September 30, 2026.

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