Hacker Note vs SoundTracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hacker Note
This note-taking app offers a unique "coolness" with a design inspired by hackers and sci-fi movies. Enjoy a futuristic feel with a transparent background option and customizable themes. It includes essential features like categorization, password protection, and cloud backup.
- High-performance and simple functionality
- Transparent app background
- Theme color customization
- Category management
- HTML and Markdown output
- Password protection
- Google Drive backup
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Recommended for those who are tired of general Note Taking apps. Hacker Note is a simple Note Taking App that pursues "coolness". The design is based on the image of "hackers," "sci-fi movies". example "The Matrix". It is also equipped with a function that makes app background look transparent, so you can enjoy a sense of the near future while taking notes, which is different from ordinary memos. [Main functions] ・ High-performance and simple function ・ Background transparency function ・ Theme color change function ・ Category function ・Output function to HTML and markdown ・ Password setting ・ Backup to Google Drive ・Cool Japanese mode - For cool Japanese displays such as kanji. [Features to be expanded in the future] ・ A cooler color theme
SoundTracker
Monitor ambient noise levels and create a calming environment with a variety of soundscapes. Analyze noise data and track trends to understand your surroundings better. Ideal for relaxation, meditation, or improving sleep.
- Noise level measurement
- Data logging and statistics
- Relaxing soundscapes
- Intuitive interface
- Sound environment analysis
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SoundTracker: Your Ultimate Sound Monitoring and Relaxation Tool SoundTracker is an innovative app designed to help you monitor ambient noise levels and enhance your relaxation and sleep experience. Whether you're in a noisy environment or simply looking for calming sounds to help you unwind, SoundTracker has you covered. Key Features: - Noise Level Measurement: Record the sound around you to easily monitor and analyze noise levels in different environments. Whether at home, in the office, or on the go, stay aware of how loud your surroundings are. - Data Logging & Statistics: Save all your recordings and get detailed statistics for each. Keep track of noise trends over time and compare how different environments affect the sound around you. - Relaxing Soundscapes: Choose from a variety of calming sounds, such as ocean waves, rainforest, city ambiance, and more. Perfect for creating a peaceful atmosphere to help you relax, meditate, or fall asleep faster. SoundTracker combines functionality with a sleek and intuitive interface, offering you a seamless experience in monitoring sound and creating a calming environment. Download now and take control of your sound surroundings!
Screenshots
Verdict
The clearest difference is price: SoundTracker at Free against Hacker Note's $9.99. Hacker Note's advantage is ads (none vs shown) and update cadence (fortnightly vs monthly). On 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
SoundTracker is free to download; Hacker Note costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Hacker Note ships an update fortnightly, SoundTracker monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Hacker Note | SoundTracker |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | — | 2.0 (1 ratings) — better |
| Positive reviews | 85.7% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 36 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | yuki okada | MSR TECH LLP |
In-app purchases
Hacker Note
No in-app purchases
SoundTracker
No in-app purchases









