About
Predict ¹³C and ¹H NMR spectra by drawing chemical structures. Offers instant recalculation, iCloud synchronization across devices, and PDF report generation. Features zoomable spectra and structures with chemical shift values displayed on the structure.
What's New in All NMR
3.0
October 12, 2025
New algorithm of ¹³C chemical shifts prediction added. Prediction accuracy improved to 1.5 ppm MAE and 2.8 ppm RMSE.
Developer apps
FAQ
What is the accuracy of All NMR's predictions?
All NMR boasts impressive accuracy, with a Mean Average Error of approximately 1.5 ppm for ¹³C and 0.21 ppm for ¹H. The RMSE is 2.8 ppm for ¹³C and 0.31 ppm for ¹H.
How does All NMR store and sync data?
Predicted spectra are stored in iCloud, ensuring seamless synchronization across all your iOS devices and the Mac version of the application.
Can I share my predicted spectra with others using All NMR?
Yes, you can easily share your results by emailing a PDF report of the predicted spectra directly from the app.
Is All NMR suitable for small screens like the iPhone?
Absolutely. All NMR includes a feature to zoom in on the structure, which is particularly important for users on smaller iPhone screens to view details clearly.
What learning methodology does All NMR employ?
All NMR utilizes a prediction algorithm that combines neural network and spheric codes based algorithms to generate accurate spectral predictions.
How often is All NMR updated?
The app was last updated on October 12, 2025, indicating active development and support for the application.
What devices is All NMR available on?
All NMR is available on iOS devices and Mac, with data syncing across all platforms.
What is the age rating for All NMR?
All NMR is rated for users aged 4 and up, making it accessible for a wide range of students and professionals.
