ECHO Pro vs Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ECHO Pro
This app transforms your compatible iPad into a powerful microscope control and imaging device. Capture, annotate, and share high-quality brightfield and fluorescence images with intuitive on-screen controls and advanced features like Anti-Shake.
- Brightfield imaging with adjustable contrast
- Epi-fluorescence imaging (Revolve microscope)
- Anti-Shake feature for blur-free images
- Integrated photo browser and cloud sharing
- Photo annotation for cell counting and measurements
- Automatic saving of image settings
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Join the revolution in microscopy imaging with the ECHO Pro app for your ECHO microscope, including the Revolve and Rebel hybrid microscopes. The ECHO Pro app brings the functionality, accessibility, and familiarity of an iPad interface to a publication-quality research microscope. BRIGHTFIELD IMAGING: Easily adjust brightness, contrast, and color balance of your sample with on-screen controls to produce the perfect view of your sample. Navigate your sample quickly with a full field of view, or pinch to zoom to fine tune your focus. Ensure blur-free images with the industry’s first Anti-Shake feature, and when you are ready, simply capture the image. EPI-FLUORESCENCE IMAGING (Revolve microscope only): Capturing publication-quality fluorescence images has never been easier or faster. Select an LED fluorescence channel with the touch of a button. Quickly adjust gain, exposure, light, and levels and capture to 16-bit quantitative TIFF or pseudo-color JPEG. Easily create a multi-channel fluorescence overlay in seconds. INTEGRATED PHOTO BROWSER: Familiar photo browser makes managing images simple. INTEGRATED CLOUD SHARING: Share all of your images instantly using Dropbox, AirDrop, or USB. PHOTO ANNOTATION: Once you have captured a picture, tap to count cells, measure length and area, write labels, draw arrows, or add a scalebar. IMAGE INFO: Never forget your settings. All image settings are automatically saved and easily accessible. Change the way you view science. Discover more at www.discover-echo.com. Designed for the iPad Air 2 and iPad Pro 12.9”.
Notes
Capture thoughts, reminders, and ideas in a secure, private space. Notes save automatically as you type, with fast search and optional biometric locking for your peace of mind. Organize with color-coding and choose from classic or modern themes.
- Automatic saving as you type
- Biometric note locking (Face ID/fingerprint)
- Fast search across all notes
- Color-coded organization
- Lined paper mode
- Modern and classic themes
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Stop losing your notes. Simple Notepad gives you a reliable place to write thoughts, reminders, and ideas that save automatically and stay completely private. • One-tap note creation - Open the app and start typing immediately • Auto-save as you type - Never lose a single word, even if your phone dies • Fast search across all notes - Find anything by typing a few words • Lock notes with Face ID or fingerprint - Keep private thoughts secure • Color-coded organization - Pick from 12 colors to sort your notes • Lined paper mode - Write on ruled lines with a classic red margin Perfect for busy parents tracking kids' schedules, students organizing study notes, or anyone who needs to capture thoughts quickly. Whether you're jotting down a grocery list during lunch or writing meeting notes between calls, this notepad works the way paper should work - except you can search it later. Choose between Modern theme for a clean look or Classic theme for a warm, paper-like feel. View notes as colorful cards or a simple list. Drag to reorder, long-press to delete, or share text through your phone's built-in share menu. Your notes live only on your device. No accounts, no syncing, no cloud storage. Just a simple, private notebook that saves everything automatically and finds it instantly when you need it. The app gets out of your way so you can focus on what matters - getting thoughts out of your head and onto the page. No complicated features, no learning curve, no subscription fees. Download Simple Notepad and start writing notes that actually stick around. Your thoughts deserve a safe place to live.
Screenshots
Verdict
The clearest difference is ads: ECHO Pro at none against Notes's shown. Notes's advantage is update cadence (weekly vs every 2 weeks) and device support (3 vs 1). On price, review sentiment, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ECHO Pro ships an update every 2 weeks, Notes weekly. The most recent releases landed on June 1, 2026 and September 15, 2026 respectively.
| Parameter | ECHO Pro | Notes |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (9 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 9 — better |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 103 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Echo Laboratories | Stijn Aa |
Customer experience
ECHO Pro
Notes
In-app purchases
ECHO Pro
No in-app purchases
Notes
No in-app purchases









