# PrepLab: O-Level Exam Practice — Find and Fix Your Weak Topics > Personalized O-Level exam practice app that adapts to student weaknesses. (iPhone/iPad app by NTH LABS LLP.) - Source: https://appshunter.io/ios/app/preplab-o-level-exam-practice/id6788296358 (this page in markdown: same URL + `.md`) - Developer: [NTH LABS LLP](https://appshunter.io/developer/1724545166) - Category: Education - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 15.1 · 56 MB - Languages: American English - Released: 2026-07-21 - Data updated: 2026-09-26 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/preplab-o-level-exam-practice/id6788296358/reviews.md ## What is PrepLab? PrepLab turns weaknesses into strengths. Short, topical practice built around real Singapore exam formats — and every session makes the next one smarter, because PrepLab tracks what you get wrong and tells you what to practise next. Built for Singapore students in Secondary 1 to 4, working towards the O-Levels. BITE-SIZED, TOPICAL PRACTICE • Short 15-minute sets that fit after school, between activities, or on the go • Practise by topic across Math, A Math, E Math, Physics, Chemistry, Biology, Science, English, History and Geography • Real exam-style question formats with instant feedback and clear explanations EVERY SESSION MAKES THE NEXT ONE SMARTER • Every wrong answer is logged automatically, building a picture of your weak topics • Personalised recommendations tell you exactly which sets and topics to practise next — no study timetable guesswork SEE EXACTLY WHERE YOU STAND • Accuracy and mastery tracked by subject and topic • Watch your trends over time — progress becomes a number you can see, not just a feeling NOTES THAT STAY WITH THE QUESTION • Capture your own notes inside each workbook • When you revisit a tricky topic, your thinking is right there with the content BUILD THE HABIT • Streaks that reward showing up daily • 15 minutes a day beats 3-hour cramming — consistency does the heavy lifting FOR PARENTS • Link your child's account and follow their progress from a dedicated parent dashboard • See effort, consistency and weak areas at a glance — no nagging required YOUR LEVEL, YOUR SUBJECTS • Choose your level (Secondary 1–4) and the subjects you study • Your practice adapts to what you actually need The student who knows their weaknesses beats the one who studies everything. Start today. PREPLAB PREMIUM PrepLab is free to download and the free plan includes practice every day. PrepLab Premium lifts the daily limit and unlocks your full mistake history across every set you have attempted, plus the Common Mistakes view — the questions that trip up the most students, ranked by how often they are missed. • Premium Monthly — SGD 9.99 per month • Premium Yearly — SGD 79.99 per year Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage your subscription and turn off auto-renewal in your App Store account settings after purchase. Terms of Service: https://tenyearlab-backend.onrender.com/assets/legal/PrepLab-Terms-of-Service.pdf Privacy Policy: https://tenyearlab-backend.onrender.com/assets/legal/PrepLab-Privacy-Policy.pdf ## Key features - Bite-sized, topical practice sets - Personalized recommendations based on mistakes - Progress tracking by subject and topic - In-app note-taking - Daily streak rewards - Parental progress dashboard ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/preplab-o-level-exam-practice/id6788296358/reviews.md ### 5/5 — Great product *2026-08-02* This is very helpful and convenient. I like that I can try out different subjects before making a choice to commit to one ## Frequently asked questions about PrepLab ### What subjects does PrepLab cover for O-Level practice? PrepLab offers practice across Math, Additional Math, Elementary Math, Physics, Chemistry, Biology, Science, English, History, and Geography, all in real exam-style formats. ### How does PrepLab personalize study recommendations? The app automatically logs every wrong answer to build a profile of your weak topics. It then provides personalized recommendations for specific practice sets and topics to focus on. ### What are the benefits of PrepLab Premium? PrepLab Premium lifts the daily practice limit and unlocks your full mistake history across all attempted sets. It also provides access to the 'Common Mistakes' view, highlighting questions that frequently trip up students. ### How much does PrepLab Premium cost? PrepLab Premium is available as a monthly subscription for SGD 9.99 or a yearly subscription for SGD 79.99. Payment is charged to your Apple ID, and subscriptions renew automatically unless turned off 24 hours prior to the end of the current period. ### Can parents monitor their child's progress with PrepLab? Yes, parents can link their child's account to a dedicated parent dashboard. This allows them to see effort, consistency, and weak areas at a glance without needing to nag. ### Does PrepLab have ads? No, PrepLab does not contain advertisements. The app is free to download and use, with an optional premium subscription for enhanced features. ### How often is PrepLab updated? The latest version of PrepLab is 1.1.1, which was last updated on September 19, 2026. Updates typically focus on improving features and reliability. ### What devices is PrepLab compatible with? PrepLab is designed for iOS devices, including iPhone, iPad, and iPod. It is suitable for users aged 4 and above. ## Version history (last 3 releases) ### 1.1.1 — 2026-09-19 Fixes and improvements to keep your practice running smoothly. ### 1.0.3 — 2026-08-01 Fixed a bug where some users were signed out unexpectedly when reopening the app. ### 1.0 — 2026-07-20 No release notes. --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-26.*