Lock Screen 27 vs Diamond Enginexa
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lock Screen 27
Personalize your device's lock screen with custom text, emojis, app shortcuts, and contact links. Access your favorite websites and apps directly from your lock screen. Choose from a variety of icon packs and wallpapers to create a unique look.
- Custom text and emoji
- Website and app shortcuts
- Contact shortcuts
- Icon packs
- Wallpapers
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Lock Screen 27 lets you personalize your lock screen like never before. There are no limits to customizing your Lock Screen! Here’s a glimpse: ● Custom Text & Emoji ● Website & app shortcuts ● Contacts ● Icons Pack ● Wallpapers Subscription: Payment will be charged to iTunes Account at confirmation of purchase. Subscription with a free trial period will automatically renew to a paid subscription. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours prior to the end of the current period at the rate of the selected plan. Subscriptions and auto-renewal may be managed by going to Account Settings after purchase. You can cancel your subscription or free trial in the iTunes settings at least 24-hours before the end of the free trial period. The cancellation will take effect the day after the last day of the current subscription period and you will be downgraded to the free service. Subscription options: Week Price: $ 2.99 Annual: $19.99 Privacy Policy: https://appchi.org/privacy-policy Terms: https://appchi.org/terms-of-use Support : support@appchi.org
Diamond Enginexa
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A practical offline workspace for engineers, technicians, students, and field specialists who need quick calculations, reference data, and project notes in one place.
Screenshots
Verdict
The clearest difference is in-app purchases: Diamond Enginexa at none against Lock Screen 27's 2. Diamond Enginexa also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Lock Screen 27 sells 2 in-app purchases, starting at $3.99 per 7 days. Diamond Enginexa asks for nothing beyond the download.
Lock Screen 27 ships an update fortnightly, Diamond Enginexa every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Lock Screen 27 | Diamond Enginexa |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (7.8K ratings) — better | — |
| Positive reviews | 71.1% of reviews | — |
| Number of ratings | 7.8K — better | — |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 231 MB | 13 MB |
| Age rating | 4+ | 17+ |
| Developer | Appchi LLC | Corner Office Den LLC |
Bugs and requests
Lock Screen 27
Reported bugs
5 issues- Widgets not working
- Shortcuts not functioning properly
- Wallpaper selection issues
- Blank icons
- Transition issues when opening shortcuts
Requested features
5 requests- More aesthetic wallpapers
- Shortcut widgets
- Custom app icons for widgets
- Larger text size
- More than 2 apps per Lock Screen
Diamond Enginexa
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Lock Screen 27
- Widget & Aesthetic Wallpapers7 Days trial$3.997 Days
- One Year Access$29.991 Year
Diamond Enginexa
No in-app purchases







