# myVibrometer HD vs TreeNotes

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.

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.

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.

## The numbers

| Metric | myVibrometer HD | TreeNotes |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/myvibrometer-hd/id412165710/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 2 MB | 34 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [Seiya.k](https://appshunter.io/developer/383021944) |

## What reviewers say

### myVibrometer HD

[App page](https://appshunter.io/ios/app/myvibrometer-hd/id412165710)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### TreeNotes

[App page](https://appshunter.io/ios/app/treenotes-tree-outliner/id6754949841)

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*