Masterbezel vs On The Lock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Masterbezel
Create professional-looking device mockups from your screenshots. This tool supports over 50 Apple device models and offers high-resolution output. It's simple to use, privacy-focused, and works offline.
- Create device mockups
- Supports 50+ Apple devices
- High-resolution output
- Simple drag-and-drop interface
- Offline functionality
- Privacy-focused
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Masterbezel —— 简单好用的截屏套壳工具。 80+ 机型，300+ 套色，全面覆盖苹果机型。一次购买，macOS，iOS，iPadOS 全平台可用。 iPhone 17 iPhone 17 Pro iPhone 17 Pro Max iPhone Air iPhone 16 iPhone 16 Plus iPhone 16 Pro iPhone 16 Pro Max iPhone 15 iPhone 15 Plus iPhone 15 Pro iPhone 15 Pro Max iPhone 14 iPhone 14 Plus iPhone 14 Pro iPhone 14 Pro Max iPhone 13 iPhone 13 mini iPhone 13 Pro iPhone 13 Pro Max iPhone 12 iPhone 12 mini iPhone 12 Pro iPhone 12 Pro Max iPhone 11 iPhone 11 Pro iPhone 11 Pro Max iPhone SE iPhone XS iPhone XS Max iPhone X iPhone XR iPhone 8 iPhone 8 Plus iPhone 7 iPhone 7 Plus iPhone 6s iPhone 6s Plus iPhone 6 iPhone 6 Plus iPhone 5c iPhone 5s iPad Pro 2025 13” iPad Pro 2025 11” iPad Pro 2024 13” iPad Pro 2024 11” iPad Pro 2022 13” iPad Pro 2022 11” iPad mini 2024 iPad mini 2021 iPad Air 2026 13” iPad Air 2026 11” iPad Air 2020 iPad 2025 iPad MacBook Neo MacBook Pro 2026 16” MacBook Pro 2026 14” MacBook Pro 16” MacBook Pro 14” MacBook Pro 15” MacBook Pro 13” MacBook Air 2026 15" MacBook Air 2026 13" MacBook Air 2022 MacBook Air MacBook iMac 2024 24” iMac 24” iMac 27” Studio Display 2026 Studio Display 2022 Studio Display XDR 2026 Pro Display XDR Watch Ultra 3 Watch Ultra Watch Series 8 Watch Series 7 Watch Series 6 Watch SE 该工具有以下特点： 1. 使用简单，选择/拖拽截图到 App 即可； 2. 效果好，套壳后图片是超清的高像素图片； 3. 保护隐私，套壳操作直接在 App 端完成； 4. 随时随地可用，App使用无须网络链接，彻底保护隐私的同时，真正随时随地可用。 欢迎下载使用。
On The Lock
This app allows you to display a single, important note, to-do list, or photo directly on your device's Lock Screen. It offers customization options for text, layout, and background, with features like reminders and iCloud backup.
- Lock Screen memo display
- To-do list integration
- Photo display on Lock Screen
- Customizable layouts and appearance
- Reminders and D-day tracking
- iCloud backup
- Home and Lock Screen widgets
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On The Lock is a simple memo app that keeps one important thing visible on your Lock Screen. On The Lock helps you keep quick notes, todos, photos, and today’s context where you actually notice them: the Lock Screen. Write a memo the moment it comes to mind, turn it into today’s todos, and keep your next step visible with Live Activity. Use Home Screen and Lock Screen widgets for quick capture and check-off. Add photos for visual context, connect Calendar for today’s remaining events, set a target date/D-day, and customize layouts, colors, text size, alignment, and background skins. Organize with categories, reminders, completed items, archives, iCloud backup, and an option to hide sensitive content while your device is locked. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: On The Lock at 5.0 against Masterbezel's 4.0. Masterbezel's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, review sentiment, ratings volume and update cadence 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. On The Lock sells 5 in-app purchases, starting at $1.99 per month. Masterbezel asks for nothing beyond the download.
On The Lock holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 71% of Masterbezel's written reviews are positive against 75% of On The Lock's.
Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Masterbezel | On The Lock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 71.4% of reviews | 75.0% of reviews — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 4 days | Every 4 days |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, Apple Watch |
| Requires iOS | 15.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 422 MB | 110 MB |
| Age rating | 4+ | 4+ |
| Developer | Hangzhou Qin Technology Inc. | JayApp |
Customer experience
Masterbezel
On The Lock
In-app purchases
Masterbezel
No in-app purchases
On The Lock
- Monthly Premium$1.991 Month
- Yearly Premium$14.991 Year
- Lifetime Premium (Discount)$12.99
- Lifetime Premium$19.99
- Lifetime Premium$34.99
