ECHO Pro vs PiCalculator!
Price, ratings, monetisation and update history for both apps, side by side β 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. TheΒ 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 industryβs 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 12.9β.
PiCalculator!
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Do you love Pi, the most famous irrational number in mathematics? Do you want to challenge your smartphone and see how many digits of Pi it can compute? Do you want to learn more about the history and applications of Pi? If you answered yes to any of these questions, then PiCalculator is the app for you! PiCalculator is a fun and educational app that lets you calculate Pi with your smartphone. You can choose how many digits of Pi you want to compute, and watch as your smartphone works hard to find them. You can also see the progress and speed of the calculation, and compare it with other devices. You can also share your results and achievements with your friends on social media.
Verdict
The clearest difference is iOS requirement: ECHO Pro at 15.0 against PiCalculator!'s 26.0. On price and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ECHO Pro | PiCalculator! |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Every 2 weeks | β |
| Ads | No | β |
| In-app purchases | No | No |
| Monetization | Free | β |
| Devices | iPad β better | β |
| Requires iOS | 15.0 β better | 26.0 |
| Further details β not scored | ||
| Size | 103 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Echo Laboratories | Nicolo Campari |
In-app purchases
ECHO Pro
No in-app purchases
PiCalculator!
No in-app purchases









