LOCKR vs Sorin Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LOCKR
This app helps you regain control of your time by blocking distracting applications. It uses a personalized AI coach that evaluates your reasons for accessing blocked apps and grants time-limited access based on your set strictness. Track your progress and reclaim your focus with insightful analytics.
- AI focus coach
- Instant app and website blocking
- Personalized blocking configuration
- Screen time usage analytics
- Daily check-ins
- Goal setting and tracking
- Focus and pause mode
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Stop doomscrolling today and reclaim your time! LOCKR is a screen time control app blocker that uses a personalized AI focus coach. You select the apps you want to block and whenever you open one of those apps, LOCKR intercepts it. To get access to an app, you have to provide a reason for the access. The coach will evaluate your reason and, based on the strictness that you set, it will decide on an appropriate amount of time for your access. When the timer ends, it will lock you out of the app again. It works with your screen time data to adapt your coach's strictness, track your progress, and show you exactly how much time you've reclaimed relative to your goal. Here are all of the features you get: - Instant app and website blocking - A personalized focus coach you can configure - Insights into your screen time usage through analytics - Daily check-ins that tell your coach how you're doing - A way to set and track your screen time goals - A focus and pause mode for adaptive blocking PRIVATE & SAFE * All features above require a subscription Terms of Service: https://trylockr.com/terms.html Privacy Policy: https://trylockr.com/privacy.html
Sorin Study
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Sorin Study is a clean way to track your study sessions — without ads, upsells, or clutter. Start a session with one tap, see your totals, and keep a simple record of your time. Track study sessions instantly View daily and weekly totals Review a clear activity history Sync across devices Stay private — no accounts required Use it with no ads, no subscriptions, no bloat A quiet space to study, log your time, and move on.
Screenshots
Verdict
The clearest difference is in-app purchases: Sorin Study at none against LOCKR's 8. Sorin Study also leads on ads (none vs shown) and device support (3 vs 1). On price 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. LOCKR sells 8 in-app purchases, starting at $8.99 per 7 days. Sorin Study asks for nothing beyond the download.
| Parameter | LOCKR | Sorin Study |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (327 ratings) — better | — |
| Positive reviews | 18.8% of reviews | — |
| Number of ratings | 327 — better | — |
| Update frequency | Every 9 days | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.2 | 15.1 — better |
| Further details — not scored | ||
| Size | 188 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Ethan Harbinger | Rory Schofield |
In-app purchases
LOCKR
- LOCKR Unlimited (1 Week)$8.997 Days
- LOCKR Unlimited (1 Month)$14.991 Month
- LOCKR Unlimited (1 Month)3 Days trial$14.991 Month
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- LOCKR Unlimited (1 Year Discount)$24.991 Year
- LOCKR Unlimited (1st Year Discount)1 Year trial$29.991 Year
- LOCKR Unlimited (1 Year)$29.991 Year
- LOCKR Unlimited (1 Year)3 Days trial$29.991 Year
- LOCKR Lifetime$39.99
Sorin Study
No in-app purchases









