Comparison

Rocket Memo vs 了了

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

Head to head
About

Rocket Memo

Capture thoughts instantly with this fast and organized notepad. Set reminders for important notes and find anything quickly with a powerful search. Designed for seamless idea management.

Highlights
  • Instant thought capture
  • Tag-based organization
  • Lightning-fast search
  • Note reminders
  • Clean editor
Features
Read full description

Simple. Fast. Smart. Capture your thoughts instantly and keep them perfectly organized. A sleek, lightweight notes app designed to move as fast as your ideas. Write Write the moment inspiration strikes. A clean and focused editor helps you stay in the flow—no distractions, no delays. Organize Stay organized with tags. Work, personal notes, ideas, lists—create your own simple yet powerful system of organization. Search Find what you need, instantly. A lightning-fast search engine filters thousands of notes in a flash. Remind Forget nothing. Set reminders for important notes and get notified right on time. Whether you’re working, planning, or just thinking out loud, this app keeps up with your mind—simple, functional, and beautifully fast.

About

了了

Features
Read full description

了了待办是一款极简手势待办 App。 它把普通清单和艾森豪威尔四象限结合在一起,让你用更轻的方式整理事情: - 下滑添加新任务 - 上滑切换四象限 - 右滑完成任务,像用笔划掉纸上清单 - 已完成任务右滑可恢复为未完成 - 左滑任务可删除 - 点击未完成任务文字可编辑内容 - 长按进入或关闭排序模式 - 排序模式中,拖动右侧三条线标记调整顺序 - 已完成事项会沉到下方,保持列表清爽 - 首次打开时,教程就在清单里,做完就学会了 了了待办不追求复杂。它想保留纸质清单那种舒服、直接、有一点仪式感的体验,同时用四象限帮你看清每件事的位置。 了了待办不需要账号,不包含广告、订阅或内购。待办内容可通过 iCloud 在同一 Apple ID 的 iPhone 和 iPad 间同步。

Screenshots

Rocket Memo4 screens
了了4 screens

Verdict

The call

The clearest difference is price: Rocket Memo at Free against 了了's $0.99. Rocket Memo also leads on update cadence (every 2 weeks vs monthly). 了了's advantage is in-app purchases (none vs 5) and review sentiment (100% vs 80%). On ads, 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

Rocket Memo is free to download; 了了 costs $0.99 up front. Rocket Memo sells 5 in-app purchases, starting at $0.99 per month. 了了 asks for nothing beyond the download.

UpkeepUpdate frequency

Rocket Memo ships an update every 2 weeks, 了了 monthly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 4 level
Rocket Memo versus 了了: the parameters behind the verdict, then further details
ParameterRocket Memo了了
PriceFree — better$0.99
Positive reviews80.0% of reviews100.0% of reviews — better
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size6 MB13 MB
Age rating4+4+
DeveloperYoshinori Kasaya博 王

Customer experience

Rocket Memo

Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

了了

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

Rocket Memo

Subscriptions2
  • Rocket Pro Monthly$0.991 Month
  • Rocket Pro Yearly$5.991 Year
One-time3
  • Small Coffee$0.99
  • Croissant & Coffee$3.99
  • Cake & Coffee$9.99
None

了了

No in-app purchases

Questions

Is Rocket Memo free?
Rocket Memo is free to download, with in-app purchases available.
Is 了了 free?
了了 costs $0.99, with no in-app purchases.
Do Rocket Memo or 了了 have ads?
Neither Rocket Memo nor 了了 shows ads.
Which is updated more often, Rocket Memo or 了了?
Rocket Memo ships an update every 2 weeks, and 了了 monthly. Most recently, Rocket Memo was updated on October 24, 2026 and 了了 on October 31, 2026.

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