3D Quakes vs HeyG Math
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3D Quakes
Explore a 3D visualization of earthquake data, including topography and tectonic plates. Customize your view by adjusting magnitude, depth, and time ranges. Additional data can be downloaded with a NIED account.
- 3D earthquake distribution visualization
- Interactive rotation and scaling
- 3D topography overlay
- Tectonic plate visualization
- Customizable magnitude, depth, and period ranges
- Downloadable additional catalog data
Read full descriptionHide full description
3D viewer of the distribution of earthquakes. You can: - easily rotate and scale the distribution - see the 3D visualization of the topography - overlay the Pacific and Philippine Sea plates - set the ranges of the magnitude, the depth and the period. - can download additional catalog data with NIED account (data of 2 weeks are pre-installed as a sample)
HeyG Math
Read full descriptionHide full description
Math usually isn't hard because you're bad at it. It's hard because steps get skipped, assumptions go unstated, and mistakes feel personal. Hey G works differently. Hey G helps you work through math problems one step at a time. You try a problem. G responds calmly — showing every step, explaining why it works, and helping you recover if you get stuck. No grades. No timers. No pressure. WHAT YOU GET Every course is a complete, structured curriculum — not random practice problems. Content spans Pre-Algebra through Calculus, with SAT, ACT, and GRE prep courses available. Your first course is completely free, forever. Pick any course in the catalog and it's yours — no credit card, no trial period, no catch. HOW IT WORKS - Pick a course and start at Chapter 1 - Work through problems at your own pace - Get clear, step-by-step explanations when you need them - G adapts to your level — quietly, without making it weird - Pick up exactly where you left off, every time WHO IT'S FOR Hey G is built for: - High school students working through Algebra, Geometry, or Trig - Parents helping with homework who need a refresher - Adults going back to school or preparing for standardized tests - Anyone who wants to understand why, not just get the answer AI TUTOR G is your personal math tutor. When you're stuck, G doesn't just give you the answer — G walks you through it, step by step, showing every operation and explaining every assumption. Your free course includes 5 AI tutoring sessions. Subscribe to AI Tutor ($12/month) for unlimited help across all your courses. COURSES AVAILABLE Foundation: Arithmetic, Fractions & Decimals, Ratios, Pre-Algebra Core: Algebra 1 & 2, Geometry, Trigonometry, Pre-Calculus Advanced: Calculus I & II, Linear Algebra Test Prep: SAT Math, ACT Math, GRE Quantitative WHAT MAKES HEY G DIFFERENT - No skipped steps. Every explanation shows each operation. - No hidden assumptions. G states what other resources skip. - No judgment. Mistakes are handled gently and used to help you learn. - No tricks. This isn't a game. It's a thinking partner. You don't need to be "good at math" to use Hey G. You just need to be willing to try. --- Subscription Information: AI Tutor is available as a monthly subscription for $11.99/month. Payment is charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Terms of Service: https://heyg.app/terms Privacy Policy: https://heyg.app/privacy
Screenshots
Verdict
The clearest difference is update cadence: 3D Quakes at monthly against HeyG Math's every 7 months. 3D Quakes also leads on iOS requirement (11.2 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
3D Quakes ships an update monthly, HeyG Math every 7 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | 3D Quakes | HeyG Math |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.2 — better | 15.1 |
| Further details — not scored | ||
| Size | 48 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Kentaro Emoto | Ronald Edmeades |
In-app purchases
3D Quakes
No in-app purchases
HeyG Math
No in-app purchases
Questions
Is 3D Quakes free?
Is HeyG Math free?
Do 3D Quakes or HeyG Math have ads?
Which is updated more often, 3D Quakes or HeyG Math?
Other comparisons















