Notification History is a free Android app developed by Yotta Studio under the Utilities & Tools category. This app helps users save and manage various one-time data that are not saved by the system, such as USSD, Class 0 (Flash) SMS, dialogs, app installation, toasts, and notifications.

The app offers several useful features, including the ability to save notifications on the status bar, toasts, USSD messages, class 0 (Flash SMS) messages, all dialog messages, and app installation/update/uninstallation history. Users can also group messages by apps and sort them by time. The app even automatically purges outdated notifications to reduce memory consumption and allows users to uninstall apps directly.

Users can upgrade to the PRO version for additional features like backup and restore data, export notifications to a file, a desktop widget to show the latest notifications, and the ability to show recent notifications on the status bar. The PRO version also offers the ability to auto dismiss USSD and Class 0 (Flash) SMS dialogs, convert dialog of USSD and Class 0 SMS to notifications, and even set vibration, sound, and LED for USSD and Flash SMS messages.

Overall, Notification History is a useful app for those who want to save and manage notifications from various apps. The app is easy to use and offers several useful features.