VibraPad vs DoodleConnect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VibraPad
Learn the fundamentals of vibration analysis for machinery monitoring and diagnostics. Build virtual systems from a library of components, analyze sound signals via your device's microphone, and generate detailed reports. Optional external hardware enhances vibration data acquisition.
- Machine component library
- Drag-and-drop system assembly
- Sound signal acquisition via mic
- External accelerometer data support
- Live signal monitoring (time/frequency)
- Fundamental frequency calculator
- Report generation and email
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VibraPad is an educational App to teach the basics of vibration analysis for rotating machinery monitoring, diagnostics and maintenance. It contains a library of machines including motor, pump, fan, blower, gearbox, belt derive, and bearings. The user can easily construct a system by connecting the components from the library, define the specification for each part of the system, and see the fundamental frequencies of the system in details and also on the vibration signal spectrum. The App can acquire the vibration signal through an extra hardware that can be purchased separately. However, without the extra hardware, the user can still acquire the sound signal of the machine through the mic of the iPad and the signal will be shown in the time- and frequency-domain. The harmonics of the machine frequencies can be also shown on the frequency signal. Features: - A library of machine components: motor, pump, fan, blower, gearbox, bearings, and belt drive -easy touch and drag-based assembly of the system using the library components - acquiring the sound signal of the machine through the iPad built-in Mic - Capability of the external accelerometer data acquiring if purchased with the extra hardware (contact Motionics for more info) - Live monitoring of the acquired (sound or vibration) signal in time and frequency - Zoom option for the signal in time and frequency domains - Fundamental frequency calculator for all machine components in the library - Report generation for all the machine components with fundamental frequencies - Report E-mail option - Automatic higher peak finder for the frequency signal ******** Note *********** The App requires external hardware to operate, please contact us for more information
DoodleConnect
Monitor your child's educational development across multiple learning applications. Stay informed about their achievements, progress through the curriculum, and receive real-time updates on their learning journey.
- Instant progress notifications
- View latest achievements
- Track stars earned
- Follow curriculum progress
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Track your child's progress across all four Doodle apps with DoodleConnect! With the help of DoodleConnect, you can get involved with your child's learning journey like never before. ▶ Key features • Receive instant notifications about their progress • View their latest achievements and see how many stars they've earned • Follow their progress through the curriculum DoodleConnect is free for all Doodle users, whether you have a home or school subscription.
Screenshots
Verdict
The clearest difference is price: DoodleConnect at Free against VibraPad's $119.99. DoodleConnect also leads on rating (4.7 vs 4.0) and ratings volume (56 vs 1). VibraPad's advantage is review sentiment (100% vs 56%) and iOS requirement (9.0 vs 15.0). On 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
DoodleConnect is free to download; VibraPad costs $119.99 up front. Neither carries in-app purchases, so what you see is what you pay.
DoodleConnect holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: DoodleConnect has 56 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 100% of VibraPad's written reviews are positive against 56% of DoodleConnect's, so the app with the better star average is not the one people write more warmly about.
VibraPad ships an update every 4 months, DoodleConnect every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | VibraPad | DoodleConnect |
|---|---|---|
| Price | $119.99 | Free — better |
| Rating | 4.0 (1 ratings) | 4.7 (56 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 56.0% of reviews |
| Number of ratings | 1 | 56 — better |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPad | iPhone, iPod — better |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 12 MB | 37 MB |
| Age rating | 4+ | 17+ |
| Developer | Motionics LLC | Discovery Education Inc. |
Customer experience
VibraPad
DoodleConnect
Bugs and requests
VibraPad
Not enough reviews yet to summarise bugs or requests.
DoodleConnect
Reported bugs
33 issues- Losing streak
- No synching between apps on different devices
- Not synching with Doodle Connect app
- Latest update ruined the app
- Can't understand children's results anymore
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- Lots of annoying little glitches
- Doesn't work on most devices
- App keeps switching off
- Update is not working
- Can't see message and screen freeze on tapping message icon
- Can't go back to view another sibling's account
- Lack accuracy
- Difficult to collate the information needed
- App won't work
- Doesn't really work
- Can only see one or none of children's progress
- Says child is on 0 day streak when they are not
- Too many glitches in system
- Doesn't record all points when signing in across different devices
- Parent app no longer works
- Last version defective
- Parent dashboard cannot log on
- Misleading info, doesn't relate to child's DM app
- Doodle Stars on DM different to parent area and parent app
- Cannot delete and reinstall because info is stored in the cloud
- Delay between parent app and DoodleMaths app
- Today's or yesterday's stars not showing in metrics
- Missing lots of data
- No longer works since update
- Latest version crap, glitchy
- Have to enter credentials regularly
- Live View never shows anything
- App is full of fundamental design flaws
Requested features
35 requests- Bring back old version
- More comprehensive initial test
- More challenging levels
- Option to add extra material for all students
- Better graphing options
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- See everything that is on the website within the app
- Add more data feed options
- Improve user experience
- Improve design
- Option to create graphs of all students
- Option to select metrics for graphing
- Improve Live View functionality
- Real-time syncing between apps and devices
- Fix streak issues
- Fix synching issues with Doodle Connect
- Allow multiple accounts under one login
- Make app more engaging after all questions are done
- Improve accuracy of reports
- Simplify setup process
- Offer combined order discounts
- Improve customer service responsiveness and helpfulness
- Fix login issues
- Improve accuracy of streaks and progress tracking
- Improve message viewing and replying
- Allow switching between sibling accounts easily
- Make app more user-friendly
- Bring back old app features
- Make app more interactive
- Improve data visualization
- Add dark mode
- Improve reporting accuracy
- Fix app freezing issues
- Improve parent app functionality
- Make app more intuitive
- Improve accuracy of Doodle Age
In-app purchases
VibraPad
No in-app purchases
DoodleConnect
No in-app purchases
Questions
Is VibraPad free?
Is DoodleConnect free?
Which has better reviews, VibraPad or DoodleConnect?
Do VibraPad or DoodleConnect have ads?
Which is updated more often, VibraPad or DoodleConnect?
Other comparisons
