Comparison

Double memo vs Quad Memo

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

Head to head
About

Double memo

Features
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Memo that displays and edits two memos side by side

About

Quad Memo

Features
Read full description

This app is a simple and intuitive memo tool that lets you write and view up to four memos (top left, top right, bottom left, bottom right) all on one screen. Use it as an idea notebook, comparison notes, or multi-theme organizerโ€”the choice is yours. It automatically switches layouts between portrait and landscape modes. Just tilt your iPhone or iPad to see each memo displayed naturally and clearly. Experience the convenience of managing four memos on a single screen! Key features: * Four-panel memo structure supporting both portrait and landscape Displays up to four memos on one screen with automatic layout adjustment upon rotation. * Titled memo saving Save a title along with memos for each quadrant (top left, top right, bottom left, bottom right), which are then automatically added to the list. Unlimited memos can be stored. When editing, the selected memo panel expands to full screen for better readability and ease of input. Last modified date is recorded automatically for easy review. * Edit, delete, and reorder Registered memos can be edited anytime by tapping. Swipe to delete and drag & drop to reorder are supported. The "Edit" button at the top left provides easy access to reorder or delete memos. * Search function Search for keywords in titles and memo contents to quickly find what you need. * No ads, one-time purchase This is a paid app with no ads or additional in-app purchases, letting you focus fully on your memos. How to use: 1. Add memos - Tap the "+" button at the bottom right - Enter a title and tap the desired memo panel - The panel expands for easy input; after typing, tap "Done" - Save all memos by tapping "Save" 2. Edit, delete, reorder - Tap a memo to edit and update with "Save" - Swipe to delete or drag & drop to reorder - The "Edit" button at top left allows reordering and deletion 3. Search - Enter keywords in the search bar at the top to filter memos by title or content Ideal for managing various perspectives such as idea notebooks, comparison notes, and multi-theme organization. Utilize the four-panel structure to personalize your memo management. This app is a paid, one-time purchase with no ad display.

Screenshots

Double memo4 screens
Quad Memo4 screens

Verdict

The call

The clearest difference is price: Double memo at Free against Quad Memo's $2.99. Double memo also leads on update cadence (every 2 weeks vs every 4 months) and iOS requirement (15.8.3 vs 17.6). Quad Memo's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Double memo is free to download; Quad Memo costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Double memo ships an update every 2 weeks, Quad Memo every 4 months. The most recent releases landed on September 16, 2026 and September 8, 2026 respectively.

Scorecard4 real differences ยท 2 level
Double memo versus Quad Memo: the parameters behind the verdict, then further details
ParameterDouble memoQuad Memo
PriceFree โ€” better$2.99
Update frequencyEvery 2 weeks โ€” betterEvery 4 months
AdsYesNo โ€” better
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.8.3 โ€” better17.6
Further details โ€” not scored
Size37 MB2 MB
Age rating4+4+
DeveloperHideaki UchikoshiShun Isayama

In-app purchases

None

Double memo

No in-app purchases

None

Quad Memo

No in-app purchases

Questions

Is Double memo free?
Double memo is free to download, with no in-app purchases.
Is Quad Memo free?
Quad Memo costs $2.99, with no in-app purchases.
Do Double memo or Quad Memo have ads?
Double memo shows ads; Quad Memo does not.
Which is updated more often, Double memo or Quad Memo?
Double memo ships an update every 2 weeks, and Quad Memo every 4 months. Most recently, Double memo was updated on September 16, 2026 and Quad Memo on September 8, 2026.

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