Constella vs Muslim Lock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Constella
Capture thoughts, synthesize ideas, and automate workflows in one place. This AI-powered tool connects notes, emails, and tasks to surface insights and allows for instant semantic search. It adapts to various thinking styles, making it ideal for professionals and creatives.
- Instant thought capture with text and images
- AI synthesis across notes, emails, and apps
- Semantic instant search
- Smart automations and task delegation
- Sync across devices
- Integrates with Notion, Google Drive
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Losing thoughts suck but organizing is painful, so we made the fastest way to capture and recall them without Instant Thought Capture: Jot down ideas the moment they strike. Quick-capture notes, links, and images from anywhere on your phone. Never forget a fleeting thought again. Thanks to AI indexing, you don't have to fumble with files and folders when organizing them. AI-Powered Synthesis Constella connects your notes, emails, newsletters, and tasks to surface insights you would have missed. Your personal AI understands context and finds relationships between your thoughts automatically. Smart Instant Search Find anything in seconds with AI-powered semantic search. No need to remember exact words or which folder you saved something in — just describe what you are looking for. Built for Those with Lots of Thoughts Key Features - Quick thought capture with text and images - AI synthesis across notes, emails, and apps - Semantic instant search across all your content - Smart automations and task delegation - Redesigned dashboard for faster navigation - Sync across devices with the desktop and web app - Integrates with Notion, Google Drive, and more - 475M+ research papers searchable Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.constella.app/legal/privacy-policy
Muslim Lock
This app helps you manage your screen time by blocking selected applications. To regain access, you must recite a Dua from a curated, categorized list. It offers a free trial and a subscription model for enhanced features.
- App blocking by time
- Dua recitation for unlocking
- Categorized Dua library
- Customizable lock schedules
- Privacy-focused design
- Progress tracking for Duas
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Set a lock time for when your chosen apps should be blocked. The only way back in is to open Muslim Lock and recite a Dua. Get curated Duas that are organized by category (gratitude, health, forgiveness, hardship, and more) HOW IT WORKS • Choose the apps (or app categories) you want locked • Set up to 24 lock times a day • When a lock begins, those apps are blocked • Recite a Dua to unlock • Your Total Duas count grows every time Accessing DUAS, ALWAYS FREE Reciting a Dua is never behind a paywall — with or without a subscription. Duas are organized by category (gratitude, health, forgiveness, hardship, and more) and rotate so you're not shown the same one every time. PRIVATE BY DESIGN Muslim Lock never sees which apps you've chosen to lock. That's kept private by Apple. FREE TO TRY Locking starts with a 7-day free trial. After that it renews automatically at the subscription price unless you cancel first — cancel anytime from your Apple Account settings, right up until the trial ends, at no charge. Built for anyone who wants their phone to give them something worth pausing for. End-User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Muslim Lock at 5.0 against Constella's 4.8. Constella's advantage is ratings volume (10 vs 3). On price, update cadence, ads and in-app purchases 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. Constella sells 6 in-app purchases, starting at $7.99 per month and Muslim Lock sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Muslim Lock holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 10 and 3 respectively.
Constella ships an update every 10 days, Muslim Lock fortnightly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | Constella | Muslim Lock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (10 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 87.5% of reviews | — |
| Number of ratings | 10 — better | 3 |
| Update frequency | Every 10 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 89 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Nora Studios | Mian Hameed |
Customer experience
Constella
Muslim Lock
In-app purchases
Constella
- Base7 Days trial$7.991 Month
- Ultra7 Days trial$19.991 Month
- Base Yearly7 Days trial$71.991 Year
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- Ultra Yearly7 Days trial$179.991 Year
- Stella Call Credits - Small$2.99
- Stella Call Credits - Big$5.99
Muslim Lock
- Muslim Lock$1.991 Month
- Muslim Lock7 Days trial$1.991 Month









