Jack vs Überdoodle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Jack
This app lets you digitally carve and display a realistic 3D pumpkin with a flickering candle. Choose from dozens of designs and enjoy spooky ambient sound effects to create a festive Halloween atmosphere on your device.
- Realistic 3D Jack-O-Lantern
- 40 carving designs
- Ambient sound effects
- Lightning strike effect
- Interactive controls (rotate, shake)
- Supports landscape and portrait
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Jack-O-Lantern is an app that displays a carved 3D pumpkin. The pumpkin is recreated in loving detail right down to the flickering candle inside. Dozens of carving designs are included, so no getting your hands dirty carving the real thing. Set your iPhone in a dock to give your desk that appropriate Halloween atmosphere, or bring your iPad with you to spookify any outing. Artificial pumpkin smell not included. Features: - Highly realistic 3D Jack-O-Lantern. - 40 different carvings to suit your every need. - Scary ambient sound effects for that extra atmospheric touch. - Double-tap the screen for a lightning strike. - Drag your finger to rotate the view. - Shake to change carvings. - Supports both landscape and portrait rotations. - Options are included in the Settings application. Also check out the Jack-O-Lantern Screen Saver for MacOS, available at http://www.killerrobots.com/
Überdoodle
Relive nostalgic childhood fun with a classic spiral drawing tool. Create intricate patterns with virtual gears and a magic rainbow pen, or simply paint with your finger. Share your creations as wallpapers or send them to loved ones.
- Classic spirograph drawing tool
- Create custom gears and rings
- Multiple drawing modes
- Import photos
- Apple Pencil support
- Draw hypotrochoids and epitrochoids
- Various paper types and background colors
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Thanks for all the amazing feedback - we just love to hear your thoughts, comments and ideas! Überdoodle: Remember the good old spirograph toy? Get nostalgic with this classic spiral drawing tool. Great for children too! The box contains lots of colorful gears, rings and pencils - including a MAGIC rainbow pen - and an unlimited supply of (virtual) paper! Draw beautiful patterns using the gears or simply paint directly on the paper using your finger. Share your doodles to family and friends - or save them and use them as beautiful wallpapers for your iPad, iPhone or iPod Touch. Features: • A Gear Factory where you can create custom gears and rings • Multiple drawing modes: calligraphy pen, celtic braids and multicolor gradients by selecting up to three pencils at the same time • Import photos from your Photo Library • Snap to previous drawing locations • Support for the Apple Pencil. Change calligraphy angle by tilting the pen. • Draw both hypotrochoids and epitrochoids (gears inside a ring or gears on the outside of another gear) • Different paper types and multiple background colors • Eraser and full undo/redo • Change the sizes of gears and rings
Screenshots
Verdict
The clearest difference is rating: Jack at 4.8 against Überdoodle's 3.8. Jack also leads on price ($0.99 vs $1.99). Überdoodle's advantage is update cadence (every 3 months vs every 30 months) and chart position (#192 vs unranked). On review sentiment, ratings volume, 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
Jack costs $0.99 and Überdoodle $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Jack holds the better App Store score, 4.8 against 3.8. Both are backed by a comparable volume of ratings — 4 and 11 respectively. Written reviews point the same way: 86% of Jack's written reviews are positive against 78% of Überdoodle's.
Jack ships an update every 30 months, Überdoodle every 3 months. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.
| Parameter | Jack | Überdoodle |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 4.8 (4 ratings) — better | 3.8 (11 ratings) |
| Positive reviews | 85.7% of reviews — better | 78.0% of reviews |
| Number of ratings | 4 | 11 — better |
| Update frequency | Every 30 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | — | #192 — better |
| Devices | iPhone, iPad, iPod, Apple TV | iPhone, iPad, iPod, Apple Watch |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 42 MB | 20 MB |
| Age rating | 9+ | 4+ |
| Developer | Killer Robots | Morten Bek Ditlevsen |
Customer experience
Jack
Überdoodle
Bugs and requests
Jack
Not enough reviews yet to summarise bugs or requests.
Überdoodle
Reported bugs
20 issues- Black screen after initial title screen
- Paid version is very glitchy
- White box appears below the circle
- App crashes all the time
- Update renders app useless
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- Completely non-functional
- Black screen when pressing home button
- App not working
- Screen below circle turns into a white box
- Purchased version not working
- App crashes
- Update downgraded the app
- Nothing but a black screen
- Game crashes all the time
- App will not run at all
- Straight lines appear
- Circles are locked
- Cannot change the hole where the pen fits
- No clear page option
- No help options
Requested features
24 requests- Include different gear shapes
- Allow pinning a gear and using another to draw around it
- Add non-rings and rings with teeth on the outside
- Ability to use photos from camera roll as background paper
- Gears working around the outside of rings
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- More gear shapes (oval, triangular)
- Ability to zoom on paper
- Different colored paper (e.g., black with white pen)
- Simple help tab explaining gestures
- More frames and wheels
- iPhone 5 screen support
- Ruler shape with teeth on the outside
- Change paper color
- Color specific areas before drawing
- Eraser that only affects drawing
- Invisible tools
- Use entire screen surface
- More design elements
- More pen and ruler options
- Ability to specify teeth per gear and ring
- Allow drawing with multiple gears around each other
- Zoom functionality
- Support for different paper colors
- Tutorial for gestures
In-app purchases
Jack
No in-app purchases
Überdoodle
No in-app purchases
