Simple Double Memo vs HELLO! MUSEUM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Double Memo
This app allows you to write and manage two memos simultaneously on a single screen, either stacked vertically or side-by-side horizontally. It automatically adjusts the layout based on your device's orientation, making it ideal for comparisons or managing multiple ideas.
- Two-panel memo structure (vertical & horizontal)
- Automatic layout switching with screen rotation
- Save memos with titles and update dates
- Edit, delete, and reorder memos
- Search function for titles and content
- No ads or in-app purchases
Read full descriptionHide full description
"This app is a simple and easy-to-use new style memo app, allowing you to write two memos side by side either vertically or horizontally. Use it as an idea notebook, comparison notes, or manage two themes — how you use it is up to you. In portrait mode, the layout switches automatically to two stacked memos, and in landscape, two memos side by side. Just tilt your iPhone or iPad and both memos will be displayed naturally and clearly. Experience the convenience of handling two memos in parallel on one screen! [Main features] * Two-panel memo structure (vertical & horizontal) Shows Memo 1 and Memo 2 stacked vertically in portrait and side-by-side in landscape, switching automatically with screen rotation. * Save memos with titles Each memo saves a title and texts for top (left) and bottom (right) sections, automatically added to list. Update dates are recorded for easy review. * Edit, delete, reorder Tap to edit any memo, swipe to delete, drag & drop to reorder. Also use the Edit button at top-left for reordering and deletion. * Search function Search keywords in titles and memo contents to quickly find what you need. * No ads & one-time purchase This is a paid, no ads app with no in-app purchases or subscriptions for distraction-free memo-taking. [How to use] 1. Add a memo Tap the "+" button at screen bottom right, input title and contents, then save with "Done". 2. Edit, delete, reorder memos Tap a saved memo to edit and update, swipe to delete, drag & drop to reorder, or use "Edit" button. 3. Search memos Type keywords in the search bar at the top to instantly list relevant memos. Ideal as an idea notebook, comparison notes, or to organize content from two perspectives. Make the most of the two-panel layout with your own style. *Note: This is a paid app with no ads."
HELLO! MUSEUM
Read full descriptionHide full description
HELLO! MUSEUM is an audio and subtitle guide app that enriches your experience at museums, galleries, and exhibitions. No rental devices needed — just your smartphone and earphones. ◆ Easy 3 Steps Check in at the venue Enter the exhibit number using the on-screen keypad Press play — enjoy audio and subtitle commentary ◆ Key Features ・Audio Guide — Audio commentary for artworks and exhibits ・Subtitle Guide — Subtitle support for your viewing experience ・Video Sync — Automatically synchronizes subtitles and audio with video playback ・Multilingual — Japanese, English, and more depending on the exhibition ・Offline Playback — Download guide data once, then use without connectivity ・Accessibility Support ◆ Perfect For ・Anyone who wants a deeper experience at events, museums, and galleries ・Visitors who don't want to wait in line to rent audio guide devices ・Those who want commentary in their native language ・Families who want to learn about artworks together with their children ◆ Works Offline Guide data is downloaded when you enter the exhibition code. Once downloaded, the app works in airplane mode — perfect for underground galleries or venues without Wi-Fi. Supported exhibitions are expanding — stay tuned!
Screenshots
Verdict
The clearest difference is price: HELLO! MUSEUM at Free against Simple Double Memo's $2.99. HELLO! MUSEUM also leads on update cadence (every 5 weeks vs every 4 months). On ads, in-app purchases, 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
HELLO! MUSEUM is free to download; Simple Double Memo costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Simple Double Memo ships an update every 4 months, HELLO! MUSEUM every 5 weeks. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.
| Parameter | Simple Double Memo | HELLO! MUSEUM |
|---|---|---|
| Price | $2.99 | Free — better |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 4 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Shun Isayama | Evixar Inc. |
In-app purchases
Simple Double Memo
No in-app purchases
HELLO! MUSEUM
No in-app purchases
Questions
Is Simple Double Memo free?
Is HELLO! MUSEUM free?
Do Simple Double Memo or HELLO! MUSEUM have ads?
Which is updated more often, Simple Double Memo or HELLO! MUSEUM?
Other comparisons















