# Building Atoms and Isotopes > Educational app for building atoms, ions, and isotopes with atomic theory and periodic table. (iPhone/iPad app by Carolina Biological Supply.) - Source: https://appshunter.io/ios/app/building-atoms-and-isotopes/id436996679 (this page in markdown: same URL + `.md`) - Developer: [Carolina Biological Supply](https://appshunter.io/developer/413708533) - Category: Education, Reference - Price: $1.99 - Rating: 3.50/5 from 2 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 10 MB - Languages: American English - Released: 2011-05-16 - Data updated: 2026-08-13 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/building-atoms-and-isotopes/id436996679/reviews.md ## What is Building Atoms and Isotopes? With the Building Atoms, Ions, and Isotopes app, explore the composition of the elements. Build atoms, ions, and isotopes by selecting appropriate numbers of protons, neutrons, and electrons. For reference, this app also includes atomic theory information and a periodic table that is interactive in the iPad version. ## Key features - Build atoms, ions, and isotopes - Select protons, neutrons, and electrons - Atomic theory information - Interactive periodic table (iPad) - Element composition exploration ## Chart rankings - #195 in Top Paid · Education (US App Store) ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/building-atoms-and-isotopes/id436996679/reviews.md ### 1/5 — Not worth it *2013-05-02* Not even worth paying $2 for this app ### 2/5 — Frustrating to use *2012-04-03* Great idea, but I have to tap the electrons protons and neutrons many times before they will drag - so frustrating that I won't use the App.... ### 5/5 — Very good app *2011-05-23* This app would be even better if you could create more shells and up to 9999 value for atomic #s and mass. Can you please make this adjustment thanks. One thing it locks up sometimes with the iPod when dragging e- p+ n in the atom. ## Frequently asked questions about Building Atoms and Isotopes ### What is Building Atoms and Isotopes? Building Atoms and Isotopes is an educational application designed to help users explore the composition of elements by constructing atoms, ions, and isotopes. It allows for the selection of protons, neutrons, and electrons to build these atomic structures. ### What are the learning features of Building Atoms and Isotopes? The app provides atomic theory information and an interactive periodic table, specifically on the iPad version. This allows users to reference key concepts while building atomic models. ### What devices is Building Atoms and Isotopes compatible with? Building Atoms and Isotopes is available for iPhone and iPod devices. The interactive periodic table feature is noted as being available on the iPad version. ### How much does Building Atoms and Isotopes cost? Building Atoms and Isotopes is a paid application, priced at $1.99. There are no in-app purchases or advertisements mentioned for this app. ### What is the age rating for Building Atoms and Isotopes? Building Atoms and Isotopes has an age rating of 4+. This indicates it is suitable for young children and above, making it accessible for early science education. ### How often is Building Atoms and Isotopes updated? The latest version of Building Atoms and Isotopes is 3.3, and it was last updated on April 10, 2024. This suggests the app receives periodic updates to maintain functionality. ### What is the user feedback on Building Atoms and Isotopes? Based on the available data, Building Atoms and Isotopes has a rating of 3.5 stars from 2 ratings. This indicates a generally positive but mixed reception from its current user base. ### Does Building Atoms and Isotopes have ads? No, Building Atoms and Isotopes does not contain advertisements. It is a paid application that offers an ad-free educational experience. ## Version history (last 5 releases) ### 3.3 — 2024-04-10 bug fixes ### 3.2 — 2022-05-04 Bug fixes ### 3.1 — 2015-03-01 This app has been updated by Apple to display the Apple Watch app icon. **iOS 8 Compatibility **Bug Fixes ### 3.0 — 2013-09-19 **iOS 7 bug fixes and Compatibility ### 2.0 — 2012-10-09 **iPhone 5 Compatibility ## Apps similar to Building Atoms and Isotopes | App | Rating | Price | Category | | --- | --- | --- | --- | | [Simplifying Complex Fractions](https://appshunter.io/ios/app/simplifying-complex-fractions/id6742373858) | 5.0 (1) | Free | Education | | [Statistics - StatRise](https://appshunter.io/ios/app/statistics-statrise/id6761345035) | — | Free | Education | | [Learn Genetics](https://appshunter.io/ios/app/learn-genetics/id6451423279) | — | $1.99 | Education | | [CloudLabs Amine Synthesis](https://appshunter.io/ios/app/cloudlabs-amine-synthesis/id1596523461) | — | Free | Education | | [Chemical Bonding - Chemistry](https://appshunter.io/ios/app/chemical-bonding-chemistry/id1180472488) | 1.0 (3) | $0.99 | Education | | [Process of Cell Division](https://appshunter.io/ios/app/process-of-cell-division/id1204149378) | 1.0 (1) | $0.99 | Education | ## More apps by Carolina Biological Supply - [Owl Pellet Activities](https://appshunter.io/ios/app/owl-pellet-activities/id413713201) - [Owl Pellet Activities HD](https://appshunter.io/ios/app/owl-pellet-activities-hd/id413714263) - [Chemistry Formula Practice](https://appshunter.io/ios/app/chemistry-formula-practice/id422957082) - [Chemistry Formula Practice Free](https://appshunter.io/ios/app/chemistry-formula-practice-free/id422958981) - [Building Atoms, Ions, and Isotopes HD](https://appshunter.io/ios/app/building-atoms-ions-and-isotopes-hd/id436997933) All apps by Carolina Biological Supply: https://appshunter.io/developer/413708533 ## Related topics [isotope 244](https://appshunter.io/ios/topics/isotope-244) --- *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 2026-08-13.*