# X-Ray Transition Energy App > Digital X-ray transition energy reference chart for mobile devices. (iPhone/iPad app by MOXTEK Inc..) - Source: https://appshunter.io/ios/app/x-ray-transition-energy-app/id1524884774 (this page in markdown: same URL + `.md`) - Developer: [MOXTEK Inc.](https://appshunter.io/developer/1524884776) - Category: Productivity, Education - Price: Free - Rating: 5.00/5 from 16 App Store ratings · 9 written reviews indexed - Age rating: 4+ - Requires: iOS 18.0 · 17 MB - Languages: English - Released: 2020-08-02 - Data updated: 2026-06-04 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/x-ray-transition-energy-app/id1524884774/reviews.md ## What is X? Welcome to the Moxtek X-ray Transition Energy App! We’ve seen high interest in the hard-copy version look-up chart we’ve shared in the past and thought it was time to move it into a convenient app you can have with you anywhere you are. ## Key features - Digital look-up chart - Convenient mobile access - X-ray transition energy data - Reference tool ## Recent user reviews (9 of 9) All indexed reviews: https://appshunter.io/ios/app/x-ray-transition-energy-app/id1524884774/reviews.md ### 5/5 — Excellent product *2020-08-28* Very useful and well done! ### 5/5 — Excellent X-ray App by Moxtek *2020-08-26* This is an extremely useful app for anyone working in XRF, XRD, X-ray imaging. With the app you can quickly look up energies associated with a specific element or elements in an energy range. It is very user friendly and convenient. ### 5/5 — X-ray energies on the go! *2020-08-26* No more searching for my x-ray energy chart. Now I have it on me wherever I go! ....and beyond! ### 5/5 — Great app!! *2020-08-19* I love the slider but I like this app even more!! It’s very useful when I want to search by “Element” or by “Energy”. Simple to use. ### 5/5 — Perfect *2020-08-08* Who gave the app only 4 stars? It should be 6 out of 5 stars, it’s just that good. ### 5/5 — Useful for x-ray analysis *2020-08-07* This is a useful tool for any scientist working with x-rays ### 5/5 — Slide Ruler Beware! *2020-08-06* Much handier than keeping the slide ruler in the backpack. ### 5/5 — Finally! *2020-08-05* Finally an easy way to reference these tables ### 5/5 — Great app! Replaced the slider tool I used to use. *2020-08-05* I’ve been waiting for a tool like this that is digital. It’s fantastic, the slider tool is great. This is better! ## Frequently asked questions about X ### What is the X-Ray Transition Energy App? The X-Ray Transition Energy App provides a digital, mobile-friendly version of a previously popular hard-copy look-up chart for X-ray transition energies. It serves as a convenient reference tool. ### Is the X-Ray Transition Energy App free to use? Yes, the X-Ray Transition Energy App is completely free to download and use. There are no costs associated with accessing its features. ### What devices does the X-Ray Transition Energy App support? Currently, the X-Ray Transition Energy App is supported on iPhone devices. Compatibility with other platforms may be considered in future updates. ### How often is the X-Ray Transition Energy App updated? The app was last updated on January 8, 2025, with version 1.2. This indicates a commitment to maintaining and potentially improving the application. ### What is the age rating for the X-Ray Transition Energy App? The X-Ray Transition Energy App has an age rating of 4+. This suggests it is suitable for a wide range of users, including younger individuals interested in science. ### Does the X-Ray Transition Energy App have ads? No, the X-Ray Transition Energy App does not contain advertisements. Users can access the reference data without interruption. ### What is the user feedback on the X-Ray Transition Energy App? The app has received excellent user feedback, with an average rating of 5.0 stars from 16 ratings. This indicates a high level of user satisfaction. ### Can I export data from the X-Ray Transition Energy App? The provided information does not specify if data can be exported from the X-Ray Transition Energy App. It is primarily designed as a direct reference tool. ## Version history (last 4 releases) ### 1.2 — 2025-01-08 Same great app, updated for newer versions of iOS. ### 1.0.117 — 2021-03-11 Updated icon; minor bug fixes. ### 1.0.115 — 2020-08-04 Bug fixes ### 1.0 — 2020-08-02 No release notes. ## Apps similar to X | App | Rating | Price | Category | | --- | --- | --- | --- | | [Karat Gold](https://appshunter.io/ios/app/karat-gold/id6480350721) | — | $4.99 | Productivity | | [Periodic Questioning](https://appshunter.io/ios/app/periodic-questioning/id1665812740) | — | Free | Productivity | | [Geo Intelligent](https://appshunter.io/ios/app/geo-intelligent/id6736350797) | — | Free | Productivity | | [Flexblocks - Time Blocking](https://appshunter.io/ios/app/flexblocks-time-blocking/id1631938060) | 1.0 (1) | Free | Productivity | | [MOLDINO (US)](https://appshunter.io/ios/app/moldino-us/id1091418463) | — | Free | Productivity | | [Vision Portaria Monitorada](https://appshunter.io/ios/app/vision-portaria-monitorada/id6670569438) | — | Free | Productivity | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*