Comparison

Level gauge vs Simple Double Memo

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

Head to head
About

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.

Highlights
  • Measure horizontal, vertical, and flat angles
  • High precision measurements
  • Smooth and stable readings
  • Calibration function
  • Hold function
  • Customizable appearance
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read 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."

Screenshots

Level gauge2 screens
Simple Double Memo4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

Level gauge ships an update every 9 months, Simple Double Memo every 4 months. Both last shipped on October 15, 2026.

Scorecard5 real differences · 5 level
Level gauge versus Simple Double Memo: the parameters behind the verdict, then further details
ParameterLevel gaugeSimple Double Memo
PriceFree — better$2.99
Rating4.6 (12 ratings) — better—
Positive reviews93.6% of reviews100.0% of reviews — better
Number of ratings12 — better—
Update frequencyEvery 9 monthsEvery 4 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size16 MB3 MB
Age rating4+4+
DeveloperTatsukiShun Isayama

Customer experience

Level gauge

All ratings12 ratings
Positive91.7%
Neutral8.3%
Negative0.0%
Written reviews78 reviews
Positive93.6%
Neutral5.1%
Negative1.3%

Simple Double Memo

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Level gauge

No in-app purchases

None

Simple Double Memo

No in-app purchases

Questions

Is Level gauge free?
Level gauge is free to download, with no in-app purchases.
Is Simple Double Memo free?
Simple Double Memo costs $2.99, with no in-app purchases.
Do Level gauge or Simple Double Memo have ads?
Level gauge shows ads; Simple Double Memo does not.
Which is updated more often, Level gauge or Simple Double Memo?
Level gauge ships an update every 9 months, and Simple Double Memo every 4 months. Most recently, Level gauge was updated on October 15, 2026 and Simple Double Memo on October 15, 2026.

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