Level gauge vs Onehand Booknotes
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.
Onehand Booknotes
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It quickly summarizes from books and captures paper notes via barcode registration or OCR. Its quiet UI preserves mental space, transforming daily insights into tangible assets by capturing fleeting thoughts and flashes of inspiration. “Recommended for” - Businesspeople who want to quickly digitize documents - Working professionals and students who want to take reading notes efficiently - Creators seeking inspiration for ideas - Students preparing for exams who want to manage study notes on their smartphones “Features” - High-Precision OCR Recognition - Automatically detects Japanese vertical/horizontal writing - High-accuracy text conversion using cutting-edge character recognition technology - Supports a wide range of materials: books, magazines, even handwritten notes Organization Features - Automatically retrieve book information via barcode scanning - Freely categorize notes using categories and tags - Manage web pages together by saving URLs - Supports multiple images (attach multiple photos to one note) iCloud Backup (Premium) - Safely back up all data - Share data across multiple devices - Export/import in JSON format
Screenshots
Verdict
The clearest difference is in-app purchases: Level gauge at none against Onehand Booknotes's 2. Level gauge also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). Onehand Booknotes's advantage is update cadence (weekly vs every 9 months). On price and ads 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
Both are free to download. Onehand Booknotes sells 2 in-app purchases, starting at $3.99 per month. Level gauge asks for nothing beyond the download.
Level gauge ships an update every 9 months, Onehand Booknotes weekly. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.
| Parameter | Level gauge | Onehand Booknotes |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (12 ratings) — better | — |
| Positive reviews | 93.6% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 9 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 16 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Tatsuki | Naoto Sato |
In-app purchases
Level gauge
No in-app purchases
Onehand Booknotes
- Monthly_Premium$3.991 Month
- Yearly_Premium$29.991 Year
Questions
Is Level gauge free?
Is Onehand Booknotes free?
Do Level gauge or Onehand Booknotes have ads?
Which is updated more often, Level gauge or Onehand Booknotes?
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