Level gauge vs Simple Double Memo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Level gauge
This intuitive tool allows you to measure angles and levels in multiple orientations. It offers high precision with smooth movement and includes calibration and hold functions for stable readings. Customize its appearance while enjoying its powerful yet simple design.
- Measure horizontal, vertical, and flat angles
- High precision measurements
- Smooth and stable readings
- Calibration function
- Hold function
- Customizable appearance
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With this simple, easy to use, and intuitive level, Measure levels in various orientations, and slope angles too. - Moves smoothly - High precision - Measure various angles horizontally, vertically, and when placed flat - Equipped with calibration and hold functions - Measurement is stable - Choose the appearance - Even though it is so powerful, the simple design is intuitive and easy to use If you think this level is better than others, please be sure to write a comment.
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
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"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."
Screenshots
Verdict
The clearest difference is price: Level gauge at Free against Simple Double Memo's $2.99. Level gauge also leads on iOS requirement (15.0 vs 17.6). Simple Double Memo's advantage is ads (none vs shown) and update cadence (every 4 months vs every 9 months). On review sentiment, in-app purchases and 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
Level gauge 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.
Level gauge ships an update every 9 months, Simple Double Memo every 4 months. Both last shipped on October 15, 2026.
| Parameter | Level gauge | Simple Double Memo |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.6 (12 ratings) — better | — |
| Positive reviews | 93.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 12 — better | — |
| Update frequency | Every 9 months | Every 4 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 16 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Tatsuki | Shun Isayama |
Customer experience
Level gauge
Simple Double Memo
In-app purchases
Level gauge
No in-app purchases
Simple Double Memo
No in-app purchases
Questions
Is Level gauge free?
Is Simple Double Memo free?
Do Level gauge or Simple Double Memo have ads?
Which is updated more often, Level gauge or Simple Double Memo?
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