One Thing vs LockIn
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Thing
This app helps you build positive habits by blocking distracting apps until you complete a chosen meaningful activity. It uses AI-powered verification and progress tracking to keep you motivated and accountable.
- Daily meaningful activity selection
- Smart app blocking
- AI-powered camera verification
- Progress tracking and streaks
- Flexible scheduling
- Family controls integration
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Stop scrolling. Start living. One Thing flips phone addiction on its head. Instead of fighting dopamine-driven habits, this app channels them — blocking distractions until you complete one meaningful activity each day. Exercise, read, meditate, do deep work, or practice an instrument. Finish first, then earn back access. The result? A daily digital detox that builds real habits, reduces mindless scrolling, and gives you hours of focus back. SUBSCRIPTION INFORMATION All features require an active subscription after the free trial period. HOW IT WORKS (Subscription Required) Pick one activity every morning: gym, reading, meditation, studying, journaling, running, walking, or any productive pursuit. Until it's done, distracting apps stay locked. No willpower needed. The environment does the work. SMART BLOCKING (Subscription Required) System-Level Control: Native iOS Screen Time integration locks apps at the deepest level Personalized Filters: Select exactly which apps to restrict based on individual triggers Flexible Scheduling: Set weekly routines, daily challenges, or immediate timed blocks Usage Caps: Limit daily or weekly opens and minutes for specific apps Emergency Unlock: Safety valve for moments when access is genuinely urgent AI-POWERED VERIFICATION (Subscription Required) Photo Proof: Snap a picture and GPT-4 Vision confirms whether the activity was actually completed Works Everywhere: From gym selfies to reading sessions, the AI adapts to any habit No Cheating: Intelligent analysis catches shortcuts and keeps accountability honest TRUE FOCUS MODE (Subscription Required) Distraction-Free Timer: Full-screen countdown for deep work, studying, or creative sessions Cross-Device Sync: Pairs with Mac for seamless focus across phone and desktop ADHD-Friendly: Structured sessions with grace periods reduce the friction of getting started PROGRESS & MOTIVATION (Subscription Required) Streak Tracking: Build momentum day after day with visual completion calendars 18-Level Progression: Journey from "Brain Rewiring" on Day 1 to "One Year Champion" Detailed Analytics: Monitor hours saved, daily completion rates, and long-term growth Milestone Alerts: Celebrate achievements at key moments throughout the journey PRIVACY & RELIABILITY (Subscription Required) On-Device Data: Personal information never leaves the phone Background Processing: Blocks stay active even when the app is closed Live Activity Widget: Persistent lock-screen reminder showing streaks and countdowns BUILT FOR Anyone trapped in a scroll-refresh-repeat cycle Students needing structured study sessions and fewer distractions Professionals seeking a digital detox during work hours Fitness-focused individuals building consistent gym or running routines People with ADHD looking for external structure and accountability Families creating healthier relationships with technology WHY IT WORKS Traditional habit trackers send reminders and hope for the best. One Thing creates real consequences: access to social media, news, and entertainment stays blocked until the daily habit is done. It's not about restricting freedom. It's about trading a dopamine loop for a life-changing routine. JOMO (joy of missing out) replaces FOMO, one day at a time. SUBSCRIPTION DETAILS Payment: Charged to Apple ID upon confirmation of purchase Renewal: Automatically renews unless cancelled at least 24 hours before the current period ends Management: Manage or cancel anytime in Apple ID Account Settings No Commitment: Cancel at any point, no penalties Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://onethingapp.framer.website/privacy-policy
LockIn
This app helps high-achievers regain control of their day by blocking distracting apps and websites. It uses AI-assisted planning and unique verification methods like photo proof and AI fitness tracking to ensure task completion and habit formation.
- AI-assisted scheduling
- Hard app and website blocking
- ML-powered fitness verification
- Photo proof verification
- 21-day habit architect
- Integration with Apple Health
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Your phone is stealing your day. LockIn helps you take it back. Open Instagram, TikTok, or YouTube and one quick check turns into a lost hour. LockIn blocks the apps that distract you - and makes you earn your screen time back with real actions. HOW IT WORKS Block your worst apps. Set a daily limit for each one. When you want screen time, you earn it. Do something real, get coins, then spend coins to unlock your apps for a while. EARN YOUR MINUTES Move your body. LockIn counts your reps in real time with your camera, so you can't fake it. Pushups, squats, pull-ups, planks, jumping jacks, lunges, crunches, shoulder press, leg raises, high knees, wall sits, and side planks. Prove your habits. Snap a photo to show you touched grass, read a book, cleaned your room, or got outside. SET HARD LIMITS Give each app a daily limit it can't go over. Add an app to your block list and earn coins. Want to take one off? That costs you. It's built to keep you honest. STAY ON A STREAK Show up every day, keep your streak alive, and collect bonus coins. Focus becomes a game you actually want to win. MADE FOR PEOPLE WHO WANT MORE The student beating the TikTok trap during finals. The founder who needs real focus. The athlete turning screen time into a workout. Anyone who wants to end the day proud, not guilty. YOUR PRIVACY STAYS YOURS LockIn uses Apple's official Screen Time API and works right on your phone. Your photos, camera, and data never leave your device. Stop scrolling. Start living. LockIn today. Free to start. Upgrade anytime for full access. Questions? lockin@fibipals.com Terms: https://lockin.fibipals.com/terms-of-service Privacy: https://lockin.fibipals.com/privacy-policy
Screenshots
Verdict
One Thing and LockIn both sit at 4.7 stars, but that hides the real split: 100% of LockIn's written reviews are positive against 27% of One Thing's. LockIn also leads on monetization model (free vs subscription). One Thing's advantage is ratings volume (892 vs 3) and update cadence (every 2 weeks vs monthly). On price, rating, 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. One Thing sells 11 in-app purchases, starting at $7.99 per 7 days and LockIn sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for One Thing against 4.7 for LockIn. That said, the two scores are not equally well evidenced: One Thing has 892 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 27% of One Thing's written reviews are positive against 100% of LockIn's.
One Thing ships an update every 2 weeks, LockIn monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | One Thing | LockIn |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (892 ratings) — better | 4.7 (3 ratings) |
| Positive reviews | 27.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 892 — better | 3 |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Free — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 221 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | One Thing LTD | Tymofii Hrynchuk |
Customer experience
One Thing
LockIn
Bugs and requests
One Thing
Reported bugs
1 issue- Incompatible with younger users due to payment requirements
Requested features
3 requests- Allow multiple activities per day
- Add chores/cleaning/meal prep blocks
- Option to add multiple blocks
LockIn
Not enough reviews yet to summarise bugs or requests.
In-app purchases
One Thing
- One Thing (Full Access) (Weekly)$7.997 Days
- Pro Plan Monthly$8.991 Month
- One Thing (Weekly)$12.997 Days
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- Pro Plan Yearly WB$21.901 Year
- One Thing (Full Access) (Annual)$29.991 Year
- One Thing (Yearly - BF)7 Days trial$29.991 Year
- One Thing Annual7 Days trial$39.991 Year
- Pro Plan Yearly$49.991 Year
- One Thing (Yearly)7 Days trial$49.991 Year
- One Thing (Yearly)7 Days trial$59.991 Year
- One Thing Yearly7 Days trial$69.991 Year
LockIn
- Weekly Subscription$3.997 Days
- Monthly Subscription LockIn3 Days trial$7.991 Month
- Annual Subscription LockIn$29.991 Year









