Memo Stacker vs Bedtime Quest
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Memo Stacker
Read full descriptionHide full description
Stack your everyday life. A memo app for building up your thoughts like blocks. Memo Stacker is a memo app that makes “writing” and “looking back” as simple as possible. Ideas that come to you in the moment, diary entries, ToDos, life logs. Stack every kind of record like blocks and visualize your everyday life. “What was I thinking back then?” With Memo Stacker, you never have to wonder. By using iCloud Drive, which iOS users can use for free, Memo Stacker is designed so your data is not locked inside the app. If you use the same iCloud account, your data will not be lost when you change devices, and your important notes will remain even if you delete the app. Of course, your notes belong only to your account, so no one else, including the developer, can see them. Write: Start typing as soon as you open the app. Timestamps are added automatically. Stack: Notes are stacked chronologically and automatically organized by date. View: Browse your past records beautifully in a refined timeline format. ■ Timeline Format With No Organizing Needed Open the home screen and all your notes are arranged chronologically. No more creating folders or managing file names. Just swipe to instantly revisit your past self. ■ Automatically Organized Timeline View Notes are automatically organized by date. With intuitive navigation by year, month, and day, you can find records from years ago in an instant. ■ Stats That Reveal Your Habits See how much you have written through a heatmap. The joy of continuing to write helps support your habit. ■ Customization That Feels Like You Includes beautiful modern fonts and an eye-friendly dark mode. Because it is something you use every day, Memo Stacker is designed with care for both writing comfort and appearance. Even when using Local Mode without iCloud Drive: ■ Privacy and Backup You Can Trust Notes are stored only on your device with a local-first design. When changing devices, you can easily migrate your data to the cloud using your Google account. When using Memo Stacker on a MacBook, the optimized iPad version is available.
Bedtime Quest
Read full descriptionHide full description
Bedtime Quest is a sleep habit game that turns keeping your bedtime into a nightly quest. You manually record the time you get into bed and the time you wake up. Based on your preset ideal bedtime, wake-up time, and sleep duration, the app evaluates your achievement. Meeting the conditions counts as a success, extends your streak, and unlocks badges. Notifications sent 30 minutes before your planned bedtime and at wake-up time naturally prompt you to take action. Key Features Manual logging of bedtime and wake-up time Custom ideal bedtime, wake-up time, and sleep duration Achievement evaluation (within ±15 minutes of ideal times) Streak tracking and badge unlocking History view showing successful days Bedtime preparation and wake-up notifications By building up moments of “I kept it today,” Bedtime Quest helps you maintain a healthy bedtime habit—naturally and without pressure.
Screenshots
Verdict
The clearest difference is in-app purchases: Bedtime Quest at none against Memo Stacker's 2. Bedtime Quest also leads on ads (none vs shown). Memo Stacker's advantage is device support (3 vs 1) and iOS requirement (16.4 vs 18.0). On price and update cadence 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. Memo Stacker sells 2 in-app purchases, starting at $2.99 per month. Bedtime Quest asks for nothing beyond the download.
Memo Stacker ships an update every 2 weeks, Bedtime Quest weekly. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.
| Parameter | Memo Stacker | Bedtime Quest |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 16.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 90 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Trivial Ventures | tanabe yutaka |
In-app purchases
Memo Stacker
- Pro plan Monthly$2.991 Month
- Remove Ads$2.99
Bedtime Quest
No in-app purchases









