Driver's Ed Lite vs GravLens3
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Driver's Ed Lite
Prepare for your DMV permit test with this study and practice app. It offers topic-based learning, mock tests simulating the real exam, and detailed results with explanations. You can also read your state's driver's manual within the app.
- Study laws by topic
- Mock test simulation
- Detailed test results with explanations
- Read state driver's manual
- Progress tracking meter
- Randomized questions
- Shake to skip question
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Prepare to pass your DMV permit test with your iDevice. PREPARE BY TOPICS: You can study the laws by topic. All questions are sorted by topic. It also tells you the areas that each topic covers. Accidents Alertness Attitude Documents Hazard Awareness Motorway Rules Other Types of Vehicle Road and Traffic Signs ************************************************************** Full Version has over 525 questions. This free version only has 40 questions. ************************************************************** MOCK TEST MODE: Mock test simulates the real test format. Questions are presented randomly from all the topics. DETAILED TEST RESULTS: A summary of the practice test is presented at the end of each test. It shows you the time you took, the score, which questions you answered correctly and where you were wrong, explanation for all questions. READ YOUR STATE'S DRIVERS MANUAL: You can also read your state's driver's handbook/manual in landscape and portrait mode. PROGRESS METER: The app records your progress as you start giving practice tests. It shows you a beautiful bar chart so that you can track your weak areas and give more focus on them. VERY EASY TO USE: The slick user interface allows you to choose from possible answers. You don't need to press too many buttons or encounter any alert messages. The app is very interactive and needs minimum user input. Innovative use of iPhone's small screen real estate. Shake your iPhone/iPod to skip a question. FEATURE LIST: • Choose number of questions you would like in each test. • Shows test results in HTML format with explanation for each question. • A new module, "Progress Meter" keeps track of how you are performing in a particular topic or mock test. • Choose your own timer settings. • Shake your iPhone/iPod to skip a question. • Cool sound effects. (You can turn them off if desired.) • Choose your own zoom factor for your question graphics. • Special algorithm that randomizes questions every time you take a test. * Privacy Policy: http://www.webrichsoftware.com/privacy.html * EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
GravLens3
Simulate the effects of gravitational lensing on your iPhone or iPad. Adjust lens parameters and apply distortions to your photos or live camera feed. Share your creations or project them for educational purposes.
- Simulate Hubble Space Telescope images
- Adjust lens size and ellipticity
- Distort photos from library or camera
- Live real-time lensing view
- AirPlay and external monitor support
- Save and share distorted images
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Gravitational lensing is a remarkable astrophysical phenomenon, where the light of a distant galaxy is bent by a massive foreground galaxy. Now you can simulate the effect of a gravitational lens on your iPhone or iPad! With GravLens3, a remarkable and educational tool you can: * Simulate Hubble Space Telescope images of strong gravitational lenses * Adjust the size and ellipticity of the lens model * See the distortion on a picture from your photo library or camera * Save the image, tweet it, post to Facebook, or print it * Live View: view the world through a gravitational lens! Real-time lensing with your camera. * Airplay and external monitor support. Broadcast your lensing to an external projector or Apple TV. Great for lectures! * Retina display, iPhone 6/6 plus all supported.
Screenshots
Verdict
The clearest difference is rating: Driver's Ed Lite at 4.2 against GravLens3's 3.7. Driver's Ed Lite also leads on update cadence (monthly vs every 17 months). GravLens3's advantage is in-app purchases (none vs 1) and review sentiment (80% vs 63%). On price, ratings volume, ads 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. Driver's Ed Lite sells 1 one-off in-app purchase. GravLens3 asks for nothing beyond the download.
Driver's Ed Lite holds the better App Store score, 4.2 against 3.7. Both are backed by a comparable volume of ratings — 13 and 6 respectively. Written reviews complicate that: 63% of Driver's Ed Lite's written reviews are positive against 80% of GravLens3's, so the app with the better star average is not the one people write more warmly about.
Driver's Ed Lite ships an update monthly, GravLens3 every 17 months. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.
| Parameter | Driver's Ed Lite | GravLens3 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (13 ratings) — better | 3.7 (6 ratings) |
| Positive reviews | 63.0% of reviews | 80.0% of reviews — better |
| Number of ratings | 13 — better | 6 |
| Update frequency | Monthly — better | Every 17 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 6.1 — better |
| Further details — not scored | ||
| Size | 142 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Webrich Software Limited | Eli Rykoff |
Customer experience
Driver's Ed Lite
GravLens3
Bugs and requests
Driver's Ed Lite
Reported bugs
12 issues- Crashes right after completing a test
- App crashes after update
- App won't open
- Keeps exiting and returning to home screen
- Progress meter resets to zero
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- Practice tests have errors with answers
- App keeps reinstalling itself
- App runs in background slowing down device
- Upgrade keeps loading
- California handbook crashes frequently
- App crashes on startup
- App takes a long time to download/update
Requested features
14 requests- Update for iOS 11 compatibility
- Fix crashing issue after tests
- Improve app for iPhone
- Add bookmarks or progress tracking
- More challenging questions
Show 9 moreShow fewer
- Canadian version
- Mix up answer order
- More handbooks for different states (e.g., Virginia)
- Fix issues with practice tests
- Improve helpful hints tone
- Make mock test harder
- Provide state-specific tests
- Add dark mode
- Better progress meter functionality
GravLens3
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Driver's Ed Lite
- Full Question Bank$2.99
GravLens3
No in-app purchases
Questions
Is Driver's Ed Lite free?
Is GravLens3 free?
Which has better reviews, Driver's Ed Lite or GravLens3?
Do Driver's Ed Lite or GravLens3 have ads?
Which is updated more often, Driver's Ed Lite or GravLens3?
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