Comparison

myVibrometer HD vs TreeNotes

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

myVibrometer HD

Measure real-time vibrations and accelerations along X, Y, and Z axes. Record orientation, navigation, and timestamp data, and visualize it with interactive graphs. Export data as CSV files for analysis on PC or Mac.

Highlights
  • Real-time vibration measurement
  • Record orientation and navigation data
  • Save graphs to Photo Album
  • Export data as CSV
  • Vibration alarm functionality
  • Adjustable recording time window
  • Calibration function
Features
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"myVibrometer HD" is a tool for measuring accelerations/vibration in real time; activating the "recording" function the application will save on a file the: - Instantaneous values ​​of the vibration along the X, Y, Z; automatically calculates the minimum and maximum values ​​of vibration and the vibration energy per unit mass - The orientation data using the device's internal compass - The navigation data using the internal GPS receiver - The timestamp for each recorded data using the device's internal clock The recorded data are displayed graphically by the instrument with the possibility of filtering for unwanted components. The graphs of the vibrations can be saved in the "Photo Album" of the device. Using the zoom/pan function you can view, save and send by e-mail just a detail of interest of the vibrations diagram. All data are saved in a (UTF8) text file. The text file containing the data can be: - sent using the mail client integrated of "myVibrometer HD" - shared and imported in a common analysis software for MAC / PC (ex. Numbers, Excel, Text Editor, etc. ...) using "iTunes File Sharing" or "Open In" Features: - Measurement of vibrations - Data is recorded on a text .csv file (UTF8 - the recorded data are " ; " delimited character formatted) - Orientation and navigation data recorded for each measurement of accelerations along the three axes X, Y, Z - Calculation of the energy of vibration - Calculation of the minimum and maximum accelerations along the x, y, z - Graphs of the accelerations recorded along the axes x, y, z - Zoom and pan of the diagrams of accelerations - Possibility to save the diagrams of accelerations in the "Photo Album" of the device - Ability to send by e-mail or share, using "iTunes File Sharing" or "Open In", the recorded data - Filter for diagrams along the axes X, Y, Z (the graphs can be filtered to better view only the desired data) - VIBRATIONS ALARM (the tool can be used to signal an impending earthquake - the user can choose the minimum threshold of vibration for the alarm) - Continuous recording with adjustable time window: from the last 5 seconds to the last 30 minutes ("myVibrometer HD" will erase automatically the oldest data) - Saving for the DATE and TIME for each data recorded (timestamp) - The recorded acceleration, orientation, navigation data and the corresponding date / time (for each acceleration value recorded) will be saved in a text file ".csv" ( " ; " delimited character ) - Function "CALIBRATE" for the calibration of the measuring instrument - "ITunes File Sharing": all the recorded values ​​can be copied to MAC / PC using iTunes software - "Open In" to share recorded data (.csv file UTF8) with dropbox or other installed apps - Dynamical graphical preview of the values ​​of the accelerations recorded (during measurement) - AirPrint to print the visualized accelerations diagram directly with "myVibrometer HD" app

About

TreeNotes

Features
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TreeNotes is a simple, beautiful note app that lets you organize your thoughts as a tree. Break big ideas into smaller ones by adding child notes, then expand or collapse branches to focus on what matters. Group related notes into colorful boards and rearrange everything with a simple drag. FEATURES • Tree-structured notes — add child notes to build an outline • Expand and collapse branches to stay focused • Colorful boards to group your notes by topic • Drag to reorder notes and boards • Swipe to delete, with one-tap undo • Works completely offline — your notes stay on your device • Light and dark mode • Clean, distraction-free design Whether you are planning a project, taking study notes, drafting ideas, or making nested to-do lists, TreeNotes keeps your thinking clear and organized. Download TreeNotes and start organizing your ideas today.

Screenshots

TreeNotes4 screens

Verdict

The call

The clearest difference is price: TreeNotes at Free against myVibrometer HD's $0.99. TreeNotes also leads on update cadence (every 2 weeks vs every 10 months) and device support (3 vs 1). myVibrometer HD's advantage is in-app purchases (none vs 1) and ads (none vs shown). On iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

TreeNotes is free to download; myVibrometer HD costs $0.99 up front. TreeNotes sells 1 one-off in-app purchase. myVibrometer HD asks for nothing beyond the download.

UpkeepUpdate frequency

myVibrometer HD ships an update every 10 months, TreeNotes every 2 weeks. The most recent releases landed on November 10, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
myVibrometer HD versus TreeNotes: the parameters behind the verdict, then further details
ParametermyVibrometer HDTreeNotes
Price$0.99Free — better
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 10 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS16.615.6 — better
Further details — not scored
Size2 MB34 MB
Age rating4+4+
DeveloperGianluca NataliniSeiya.k

In-app purchases

None

myVibrometer HD

No in-app purchases

1 purchases

TreeNotes

One-time1
  • Premium$2.99

Questions

Is myVibrometer HD free?
myVibrometer HD costs $0.99, with no in-app purchases.
Is TreeNotes free?
TreeNotes is free to download, with in-app purchases available.
Do myVibrometer HD or TreeNotes have ads?
TreeNotes shows ads; myVibrometer HD does not.
Which is updated more often, myVibrometer HD or TreeNotes?
myVibrometer HD ships an update every 10 months, and TreeNotes every 2 weeks. Most recently, myVibrometer HD was updated on November 10, 2026 and TreeNotes on October 30, 2026.

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