Delay vs ScrollToll
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Delay
This app helps users break phone addiction by interrupting mindless scrolling with challenges. It aims to stop the cycle of addictive app usage through strategic interventions.
- Challenge-based interventions
- Dopamine delay
- Stops mindless app opening
- Breaks scrolling cycle
- Fun and engaging
Read full descriptionHide full description
Turn your screen time into study time. Delay makes you answer practice questions on topics you want to learn before you can open distracting apps like Instagram, TikTok, or YouTube. Instead of setting aside more time to study, learning becomes a transparent layer integrated into something you already do every day. EARN YOUR SCREEN TIME Before opening a blocked app, Delay gives you a few quick practice questions. Answer them correctly to earn access. Every time you reach for a distracting app, you get another small repetition of something you actually want to learn. LEARN WHAT YOU WANT Choose exactly what you want to study. Whether you're learning a language, preparing for an exam, memorizing important concepts, or building knowledge in a new subject, Delay turns your material into questions you can practice throughout the day. LEARN THROUGH REPETITION Delay integrates learning into moments that would otherwise be spent scrolling. Instead of relying on long study sessions, you repeatedly encounter your material throughout the day. Over time, those small repetitions add up. END THE DOOMSCROLL Your apps automatically lock again after your earned screen time expires. If you want to keep scrolling, you study again. This creates a simple cycle: learn, unlock, scroll, repeat. IMPORT YOUR STUDY MATERIAL Bring the material you already want to learn into Delay and turn it into practice questions. Keep different subjects organized and choose what you want to practice when unlocking your apps. TRACK YOUR PROGRESS See how much you've practiced, how consistently you're answering questions, and how your knowledge improves over time. The screen time you would have spent scrolling becomes measurable learning progress. SEAMLESS INTEGRATION Delay works directly with your apps so studying becomes part of your normal routine. Once it's set up, simply use your phone as usual. When you try to open a blocked app, Delay gives you your questions, you answer them, and you're right back in. MAKE SCREEN TIME USEFUL You’re already going to open your favorite apps throughout the day. Delay simply puts learning in between. Instead of finding more time to study, use the time and habits you already have. DOWNLOAD DELAY Delay requires a subscription to access certain features. Download Delay and start turning everyday screen time into learning time. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ScrollToll
This app transforms your daily phone usage into productive study sessions. It locks distracting apps behind quick knowledge checks, leveraging spaced repetition to reinforce learning. Earn your access to social media and other apps by answering questions on topics you're studying.
- OS-level app blocking
- Spaced repetition learning
- Automatic 5-minute relock
- MCAT, USMLE, math, chess, vocabulary packs
- Customizable app blocking
- On-device puzzle delivery
Read full descriptionHide full description
Every time you reach for Instagram, ScrollToll asks one question first. Get it right and you scroll. Miss it and it comes back later. You're studying — without choosing to. **BUILT ON DISTRIBUTED RECALL™** The same spaced-repetition science behind every serious study tool (Cepeda et al., 2006), delivered where you actually pick up your phone. Cards you struggle with surface more often. Cards you've mastered get out of your way. You don't have to remember to open the app — you already do, 96 times a day. **ANKI ONLY WORKS WHEN YOU OPEN ANKI** We work because you open your phone. Move to China and you'll learn Chinese without trying — you can't help it. ScrollToll does the same thing for the MCAT (and SAT, USMLE prep, mental math, vocabulary, chess, and any topic you want to learn passively). **HOW IT WORKS** 1. Pick the apps that waste your time 2. ScrollToll locks them behind a single question 3. Solve it — usually an MCAT question, mental math problem, chess tactic, or vocabulary card 4. Get 5 minutes, then it relocks automatically 5. Every unlock IS a study session — distributed across your real day **WHO IT'S FOR** - Premeds prepping for the MCAT who want discipline they can't fake - Med students grinding USMLE Step 1 - Students who open Instagram "for a second" and lose an evening - Professionals who lose hours to their phone during deep work - Anyone who's tried Anki, fallen off, and wants the spacing without the discipline tax **THE MATH** The average person unlocks their phone 96 times per day. ScrollToll turns 50+ of those into deliberate, spaced-practice moments. In a month, you've passively practiced over 1,400 questions — without ever sitting down with a textbook. **REAL BLOCKING, NOT A SUGGESTION** ScrollToll uses Apple's Screen Time API to block apps at the OS level. No overlay you can swipe away. No "are you sure?" button. When an app is locked, it's locked — until you earn your way in. - OS-level blocking — can't be bypassed or dismissed - Distributed Recall™ — adaptive spaced repetition built into every unlock - Auto-relock after 5 minutes — no honor system - MCAT, USMLE, mental math, chess, vocabulary, and custom packs - 3 difficulty levels — beginner to advanced - Works with any app — social media, news, dating apps - On-device puzzle delivery — your usage stays private ScrollToll doesn't ask you to quit your phone. It asks you to earn it. Download free. Upgrade for advanced packs, Distributed Recall™ across all topics, and unlimited app blocking. Terms of Use: https://northstarlabs.app/terms Privacy Policy: https://northstarlabs.app/privacy EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Delay and ScrollToll both sit at 4.7 stars, but that hides the real split: 87% of Delay's written reviews are positive against 74% of ScrollToll's. ScrollToll's advantage is ratings volume (780 vs 105). On price, rating, update cadence and ads 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. Delay sells 4 in-app purchases, starting at $6.99 per 7 days and ScrollToll sells 8 in-app purchases, starting at $4.49 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 Delay against 4.8 for ScrollToll. That said, the two scores are not equally well evidenced: ScrollToll has 780 ratings behind it against 105, so its average is the more settled of the two. Written reviews are what separate them: 87% of Delay's written reviews are positive against 74% of ScrollToll's.
Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 15, 2026 and October 22, 2026 respectively.
| Parameter | Delay | ScrollToll |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (105 ratings) | 4.8 (780 ratings) — better |
| Positive reviews | 86.5% of reviews — better | 74.1% of reviews |
| Number of ratings | 105 | 780 — better |
| Update frequency | Every 5 days | Every 5 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 103 MB | 178 MB |
| Age rating | 4+ | 9+ |
| Developer | Focus Labs LLC (US) | North Star Labs LLC |
Customer experience
Delay
ScrollToll
In-app purchases
Delay
- Delay - Weekly$6.997 Days
- Delay - Monthly$9.991 Month
- Delay - Family Monthly$17.991 Month
Show 1 moreShow fewer
- Delay - Yearly3 Days trial$79.991 Year
ScrollToll
- Weekly Pro Access$4.497 Days
- Weekly Pro Access$6.997 Days
- Student Monthly$8.991 Month
Show 5 moreShow fewer
- Monthly Pro Access$9.991 Month
- Student Yearly3 Days trial$44.991 Year
- Yearly Pro3 Days trial$49.991 Year
- Annual Pro Student3 Days trial$59.991 Year
- Annual Pro3 Days trial$69.991 Year









