Comparison

LOCK MEMO vs TwoDo

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

Head to head
About

LOCK MEMO

This app offers a straightforward way to create and manage private notes with robust passcode protection. It's designed for intuitive use, requiring no complex setup to keep your personal information, ideas, and daily entries secure and organized.

Highlights
  • Passcode protection
  • Create and edit notes
  • Folder management
  • Search notes
  • iCloud backup
  • Adjustable font size
Read full description

LOCK MEMO is a simple and secure note app with password protection. Designed with simplicity in mind, anyone can use it intuitively without complicated steps. No complex setup is required. Start using it today. ※ Password protection must be enabled in settings. ** Features ** • Create and edit notes • Passcode protection • Adjust font size • Character and line counter • Search notes • Folder management • iCloud backup • URL scheme (pwmm:) Perfect for storing private information, ideas, daily notes, and personal content securely. Keep your notes safe and organized with LOCK MEMO. ■ Terms of Use https://eeggs.jp/terms-of-use-en

About

TwoDo

This utility app helps couples and partners manage shared tasks like shopping lists, places to visit, and to-dos. It features real-time synchronization between devices, ensuring both partners are always updated on additions and deletions. Say goodbye to forgotten items and missed opportunities with this simple, intuitive tool.

Highlights
  • Shared task management for couples
  • Real-time synchronization
  • Simple and intuitive UI
  • Manages shopping, places, and to-dos
  • Eliminates forgotten tasks
Features
Read full description

TwoDoは夫婦や恋人のためのToDoアプリです。 買うもの、行くとこ、すること、の3つを シンプルなUIで管理します。 相手がタスクを追加・削除すると すぐに自分のiPhoneにもリアルタイムに同期されます。 行こう行こうと思ってずっと行けていない場所、 買い物に行ったのに買い忘れて帰ってくる経験、 やろうと思ってるままやらず終いになっていること、 そんな全てとおさらばです。 TwoDo is a to-do app for couples and lovers. It manages three things: what to buy, where to go, and what to do, with a simple UI. If your partner adds or deletes a task, it will be synced to your iPhone soon. You can say goodbye to the places you've been meaning to go but haven't, the shopping you've gone to but forgot to buy, and the things you've been meaning to do but haven't done yet.

Screenshots

LOCK MEMO2 screens
TwoDo3 screens

Verdict

The call

The clearest difference is price: LOCK MEMO at Free against TwoDo's $0.99. TwoDo's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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

LOCK MEMO is free to download; TwoDo costs $0.99 up front. LOCK MEMO sells 1 in-app purchase, starting at $0.99 per month. TwoDo asks for nothing beyond the download.

UpkeepUpdate frequency

LOCK MEMO ships an update monthly, TwoDo every 2 days. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

Scorecard7 real differences · 3 level
LOCK MEMO versus TwoDo: the parameters behind the verdict, then further details
ParameterLOCK MEMOTwoDo
PriceFree — better$0.99
Rating4.7 (494 ratings) — better—
Positive reviews74.5% of reviews100.0% of reviews — better
Number of ratings494 — better—
Update frequencyMonthlyEvery 2 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhoneiPhone, iPod — better
Requires iOS17.014.0 — better
Further details — not scored
Size31 MB26 MB
Age rating4+4+
DeveloperEasterEggsRyo Makishima

Customer experience

LOCK MEMO

All ratings494 ratings
Positive94.7%
Neutral3.0%
Negative2.2%
Written reviews94 reviews
Positive74.5%
Neutral7.4%
Negative18.1%

TwoDo

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

Bugs and requests

LOCK MEMO

Reported bugs

6 issues
  • Notes disappearing from folders
  • Edit function becomes unavailable
  • App incompatible with newer iOS versions
  • Touch ID not functioning despite advertised
  • Password recovery issues
Show 1 more
  • App crashes or freezes

Requested features

9 requests
  • Alphabetical sorting of notes
  • Search functionality
  • Touch ID/biometric authentication
  • Text formatting options (bold, underline, italics)
  • Ability to share or export notes
Show 4 more
  • Picture upload capability
  • Increased storage space
  • Option to purchase ad-free version
  • Dark mode option

TwoDo

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

LOCK MEMO

Subscriptions1
  • Premium Plan$0.991 Month
None

TwoDo

No in-app purchases

Questions

Is LOCK MEMO free?
LOCK MEMO is free to download, with in-app purchases available.
Is TwoDo free?
TwoDo costs $0.99, with no in-app purchases.
Do LOCK MEMO or TwoDo have ads?
LOCK MEMO shows ads; TwoDo does not.
Which is updated more often, LOCK MEMO or TwoDo?
LOCK MEMO ships an update monthly, and TwoDo every 2 days. Most recently, LOCK MEMO was updated on September 22, 2026 and TwoDo on September 21, 2026.

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