Sharlock vs Book Reading Light
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sharlock
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Meet Sharlock, the new access control system you can operate from your Smart Phone Use your smartphone to enter your house, office, building or apartment, without having to use keys, remote controls or access cards. Sharlock is an economical, convenient and safe system for access control, which improves the security of traditional systems while avoiding lost keys or cards, and making access easy and simple from your own smartphone. Continued use of GPS running in the background can dramatically decrease battery life.
Book Reading Light
This app transforms your device into a customizable reading lamp with various light modes and color presets. It also includes a book tracker to organize your reading list and notes. Enjoy a personalized reading experience without disturbing others.
- Full-screen warm reading light
- Adjustable brightness
- Multiple light modes
- Book tracking and organization
- Personal reading notes
- Timer with fade-out
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Book Reading Light transforms your screen into a warm, customizable reading lamp — perfect for reading in bed without disturbing anyone around you. Whether you prefer a warm white glow, a cozy candlelight flicker, or a cool moonlight tone, Book Reading Light has the perfect atmosphere for every reading mood. READING LIGHT - Full-screen warm light optimized for night reading - Adjustable brightness from dim to full - Multiple light modes: Solid, Lamp, Liquid, Gradient - Auto screen lock prevention — screen stays on while you read - Timer with fade-out: set a sleep timer and drift off naturally COLOR PRESETS - 12 handcrafted color presets including Warm White, Candle, Sunset, Ember, Golden Hour, Moonlight, Arctic, Daylight, Soft Mint, Rose Quartz, Lavender, and Amber - Choose your perfect reading atmosphere with one tap BOOK TRACKER - Track every book you read - Organize by status: Reading, Completed, Want to Read, Paused - Add cover color, author, total pages, and current page - Personal reading notes for each book - Search your library by title or author SETTINGS & AUTOMATION - Set a default color and brightness for quick start - Daily reading reminder notification - Fade Before Off — gradually dims the light before turning off PREMIUM - Unlock all 12 color presets - Access all light modes - Remove all limitations Privacy Policy: https://docs.google.com/document/d/1fYiwC67rk0Z0wLKEDEB5H2fwgGWtIXO2geZbrKkuNZA/edit?usp=sharing Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Sharlock at none against Book Reading Light's 2. Sharlock also leads on update cadence (every 6 weeks vs every 3 months) and iOS requirement (9.0 vs 17.6). On price, ads 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
Both are free to download. Book Reading Light sells 2 in-app purchases, starting at $4.99 per 7 days. Sharlock asks for nothing beyond the download.
Sharlock ships an update every 6 weeks, Book Reading Light every 3 months. The most recent releases landed on October 26, 2026 and November 4, 2026 respectively.
| Parameter | Sharlock | Book Reading Light |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 9.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 4 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Ioni Nielavitzky | MNB DIGITAL LLC |
In-app purchases
Sharlock
No in-app purchases
Book Reading Light
- Weekly Premium7 Days trial$4.997 Days
- Yearly Premium$19.991 Year
Questions
Is Sharlock free?
Is Book Reading Light free?
Do Sharlock or Book Reading Light have ads?
Which is updated more often, Sharlock or Book Reading Light?
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