Glider Guide vs NumberSlam®
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Glider Guide
Explore five real-world terrains in the US and learn about various land and water features. Test your knowledge with in-game assessments after each flight. Offers both first-person and top-down perspectives for immersive learning.
- Explore real-world US terrains
- Learn about 11 land/water features
- First-person and top-down views
- In-game knowledge assessments
- Educational simulation
Read full descriptionHide full description
Soar above five real world terrains in the United States while learning about different types of land and water features. Observe eleven different land and water features including: mountains, plains, lakes, oceans, and mesas. View terrain maps from first-person and top-down view. Test your knowledge of land and water features after every flight with an in-game assessment.
NumberSlam®
This is a fast-paced mental math game designed to enhance your calculation skills on mobile. It's a digital adaptation of a popular classroom game, offering an engaging way to practice math for fun or improvement. The game is ad-free and tracks no user data for a safe, distraction-free experience.
- Improves mental math skills
- Engaging and fast-paced gameplay
- Digital remake of a popular classroom game
- Ad-free experience
- Tracking-free for user privacy
- Suitable for practice or fun
Read full descriptionHide full description
Finally, an engaging, exciting, and fast-paced mental math skills game. NumberSlam® was created to improve your mental math skills on a mobile device. NumberSlam® is a digital remake of the popular math game “Board Slam” played in Classical Conversations Communities’ classrooms around the world. Whether playing for fun or practice, NumberSlam® is THE mental math game for you. Perfect for CC students, their parents or anyone that enjoys a good mental math challenge. NumberSlam® is Ad-Free & tracking-free so that your game-play is safe and free from distractions. We hope you like it, now Get Slamming!
Screenshots
Verdict
The clearest difference is in-app purchases: Glider Guide at none against NumberSlam®'s 1. Glider Guide also leads on iOS requirement (7.0 vs 13.0). NumberSlam®'s advantage is update cadence (every 6 days vs every 2 weeks). On price, rating, ratings volume and ads 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. NumberSlam® sells 1 one-off in-app purchase. Glider Guide asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Glider Guide against 5.0 for NumberSlam®. Both are backed by a comparable volume of ratings — 3 and 7 respectively.
Glider Guide ships an update every 2 weeks, NumberSlam® every 6 days. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.
| Parameter | Glider Guide | NumberSlam® |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (7 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 3 | 7 — better |
| Update frequency | Every 2 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 534 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Smithsonian Institution | PIRUX, LLC |
Customer experience
Glider Guide
NumberSlam®
In-app purchases
Glider Guide
No in-app purchases
NumberSlam®
- Activate NumberSlam$7.99
Questions
Is Glider Guide free?
Is NumberSlam® free?
Which has better reviews, Glider Guide or NumberSlam®?
Do Glider Guide or NumberSlam® have ads?
Which is updated more often, Glider Guide or NumberSlam®?
Other comparisons
