Nucleus vs aLock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nucleus
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Welcome to Nucleus, the only app you'll ever need for Quotes. Our mission is to present the most elegant and simple quote app you would ever use. Why should we distract you on the app while discovering the next quote you'll fall in love with?
aLock
Manage your screen time effectively by setting usage limits for apps and automatically restricting them when limits are reached. This app helps users, including children, focus better by blocking distractions and inappropriate content. A free trial is available for premium features.
- Set app usage limits
- Automatic app restriction
- Manual app restriction/restoration
- Focus enhancement for children
- Distraction blocking
- Free trial for premium features
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It is a very useful screen time management app that allows you to set usage limits for apps and automatically restrict apps when the limit is reached. Additionally, you can manually restrict or restore applications as needed. - Use of social media and games can be limited to help children focus better and block inappropriate content. - A time limit for the app can be set to help you not get distracted by the app. Start a free trial to access all premium features - You can subscribe for unlimited access to all premium features - Within 24 hours before the end of the free trial period, the change fee calculated according to the subscription plan will be automatically debited from your account - You can cancel the auto-renewal at any time, if the cancellation occurs at least 24 hours before the end of the current period Support: tinfineapp@outlook.com Privacy Policy: https://decisive-store-bd5.notion.site/Privacy-Policy-3930ce2f70bf41df93666e029f0a1d19 Terms of Use: https://decisive-store-bd5.notion.site/Terms-Conditions-7dcac12bf71f41edbee0e260df02c563
Screenshots
Verdict
The clearest difference is in-app purchases: Nucleus at none against aLock's 3. Nucleus also leads on update cadence (every 9 days vs every 3 weeks). On price, ads, 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. aLock sells 3 in-app purchases, starting at $2.99 per 7 days. Nucleus asks for nothing beyond the download.
Nucleus ships an update every 9 days, aLock every 3 weeks. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.
| Parameter | Nucleus | aLock |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (31 ratings) — better |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | — | 31 — better |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 15 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Yekta Sarioglu | 裕涛 兰 |
In-app purchases
Nucleus
No in-app purchases
aLock
- App Lock for 1 week3 Days trial$2.997 Days
- App Lock for 1 year3 Days trial$9.991 Year
- App Lock Premium$19.99
