Calculate84
Calculate84 Summary
Calculate84 is a free, with in-app purchases iOS app in Education by Century Light LLC. Released in Aug 2019 (7 years ago). It has 54K ratings with a 4.77★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 77K monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store last updated Aug 17, 2026
Recent activity: 59 new ratings this week View trends →
SDK intelligence: AppGoblin detected 8 ad networks(e.g. Vungle), 3 development tools,and 1 analytics: product integrated into Calculate84. View full SDK list →
Calculate84 SDKs Summary
Calculate84 was last scanned for SDKs on 2026-08-12. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.
Vungle
AppLovin
Google
Unity
nanopb
OpenID
Firebase4.77★
Ratings: 54K
Screenshots
App Description
Graphing made for iPhone
Calculate84 brings the graphing calculator experience to iPhone with a fast, touch-friendly design.
What you can do:
• Plot and explore graphs with smooth touch controls
• Find familiar calculator functions quickly
• Scroll naturally through equations and results
• Get clearer, more helpful error messages
• Send feedback directly from the app
Why we built Calculate84
We relied on graphing calculators ourselves and wanted an app that felt easier to use on a modern phone. Before launch, we worked with students to refine the experience, and we continue improving it based on user feedback.
Send feedback
Tap the red Feedback button in the app.
Terms of Use (EULA): https://calculate84.com/terms-of-use