Theory Test vs BTT Lah!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Theory Test
Prepare for Singapore's driving theory tests with practice questions and official handbooks. Covers Basic, Final, and Riding Theory Tests in multiple languages. Includes explanations and mock tests to track progress.
- 1,725 practice questions
- Official handbooks included
- Supports BTT, FTT, and RTT
- Available in English, Chinese, Malay, Tamil
- Detailed explanations for answers
- Mock tests in official format
- Progress tracking
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Prepare for Singapore's Basic Theory Test (BTT), Final Theory Test (FTT) and Riding Theory Test (RTT) with 1,725 practice questions written from the current official handbooks, and read those handbooks in the app for free. IN YOUR LANGUAGE Use the app in English, 中文, Bahasa Melayu or தமிழ். Every question, answer and explanation is translated. Choose your language when you first open the app, and change it at any time in Settings. THREE TESTS, ONE APP Choose the BTT, FTT or RTT and switch at any time. Each test keeps its own topics, mock tests and progress. Practice, Mock Test and Handbook are one tap away on the home screen, and every topic has its own flash cards. BASIC THEORY TEST: 651 QUESTIONS IN 9 TOPICS • Licences, Probation & Demerit Points • Traffic Signs • Road Markings & Signals • Traffic Rules & Regulations • Code of Conduct & Safe Driving • Cyclists, Pedestrians & Active Mobility • Special Zones, Work Zones & Tunnels • Parts & Controls of the Car • ERP 2, EMAS & New Tech FINAL THEORY TEST: 564 QUESTIONS IN 10 TOPICS • Vehicle Controls, Gauges & Warning Lights • Moving Off, Gears, Bends & Lane Changes • Junctions, Roundabouts & Overtaking • Slopes, Reversing, Parking & Manoeuvres • Defensive Driving: Conditions & Hazards • Sharing the Road • Expressways • Emergencies & Accidents • Test, Learner Rules, Maintenance & Enforcement • Courteous Driving RIDING THEORY TEST: 510 QUESTIONS IN 12 TOPICS For Class 2B motorcycle learners, written to the 2026 English Riding Theory Booklet and current 2026 rules. • Licences, Tests & Circuit Courses • Rider Fitness, Senses & Blind Spots • Natural Forces • Motorcycle Parts, Engine & Maintenance • Riding Gear, Stands & Pre-riding Checks • Controls, Gears & Braking • Moving Off, Stopping & Following Distance • Turns, Lane Changes & Overtaking • Junctions & Roundabouts • Slopes, Weather, Bends & Expressways • Defensive Riding & Other Road Users • Emergencies, Accidents & Courteous Riding THE OFFICIAL HANDBOOKS, FREE Read the Traffic Police handbooks in the app: Basic Theory of Driving, Final Theory of Driving and the Riding Theory Booklet. They are included in English (2026 editions) and in Chinese, Malay and Tamil (2024 editions). Each translated edition shows a notice with a one-tap link to the current English edition. The handbook for your chosen test is free for everyone, with no purchase needed. EVERY ANSWER EXPLAINED Each question tells you why the right answer is right, why the others are wrong, and which handbook to read. MOCK TESTS IN THE REAL FORMAT Sit 50-question mock tests for any of the three tests, drawn across every topic. You need 45 correct to pass, just like the real tests. A history chart shows how your scores improve. SIGNS, MARKINGS AND DIAGRAMS Clear road signs, road markings, traffic lights, police signals, junction diagrams, dashboard warning lights and motorcycle diagrams. Motorcycle diagram labels are translated; road signs appear in English, as they do on Singapore roads. STUDY YOUR WAY • Choose how many questions to practise • Flash cards for quick revision • Review every answer at the end of a quiz • Progress rings for every topic • Bookmark questions to come back to • Progress syncs across your devices with iCloud TRY IT FREE The free version includes 50 questions for each test (BTT, FTT and RTT), with a full 50-question mock test for each, and all three handbooks. One one-off purchase, the Full Question Bank, unlocks all 1,725 questions in all three tests, in every language. No subscription. The Theory Test is an independent study app. It is not affiliated with or endorsed by the Singapore Police Force, the Land Transport Authority or any driving centre. Always check the current official rules. Privacy Policy: https://www.webrichsoftware.com/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
BTT Lah!
This app helps you prepare for your driving theory test with features designed to reduce eye strain and optimize learning. It uses smart algorithms to focus on your weak areas and reinforces learning through automated repetition and progress tracking.
- Reduced eye strain design
- Adaptive question inflow
- Automated short-term memory rehearsal
- Detailed result analysis
- Progress monitoring charts
- Timed e-trial tests
- Question and answer shuffling
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BTT Lah! includes: 1. Visual ergonomics - BTT Lah! uses minimal light required for readability and reduces eye strain and eye fatigue caused by smartphone screen glare whenever you practice for driving theory test. 2. Playback Algorithms - BTT Lah! eliminates information overload by controlling questions inflow and focusing only on questions that you actually need. This algorithms ensures your learning speed and you learn much faster than any other traditional question and answer system. 3. Automated Short term memory rehearsal - For every wrong answer during BTT test, this app remembers and automatically repeat them on an appropriate time so that you can convert them into long term memory. This feature is very useful when you have limited time for Basic Theory Test. BTT Lah! additional benefits: Result analysis : View record of every practice with ease and understand better with BTT test result analysis. Response Chart: Monitor BTT test progress with chart that displays performance over time. e-Trial Test : Better manage your time better with 10 questions short session and 50 questions for your Driving Test. Power Question and Answer shuffle: It is very important that question and answer don't look the same whenever you practice for btt. Push notification: Playback Algorithms monitor questions that requires you attention and automatically send push notification at a later time so that you can remember better.
Screenshots
Verdict
The clearest difference is review sentiment: Theory Test at 53% against BTT Lah!'s 0%. Theory Test also leads on monetization model (free vs free with in-app purchases). BTT Lah!'s advantage is update cadence (fortnightly vs monthly). On price, ads, in-app purchases and device support 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. Theory Test sells 1 one-off in-app purchase and BTT Lah! sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Theory Test ships an update monthly, BTT Lah! fortnightly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Theory Test | BTT Lah! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 52.9% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 164 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Webrich Software Limited | Appsaur.com Pte Ltd |
Customer experience
Theory Test
BTT Lah!
In-app purchases
Theory Test
- Full Question Bank$6.99
BTT Lah!
- 600 BTT Questions All language$12.99
- 600 BTT Questions All language$24.99
- ProEnglish600Question$28.99
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- ProALLLanguages600Questions$54.99
Questions
Is Theory Test free?
Is BTT Lah! free?
Do Theory Test or BTT Lah! have ads?
Which is updated more often, Theory Test or BTT Lah!?
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