Foundations Memory Work C3 vs NumberSlam®
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Foundations Memory Work C3
Enhance learning through memorization of quality content with art and song. This interactive app covers seven subject areas, including enhanced graphics, a timeline, and U.S. presidents.
- Memorize quality content
- Learn with art and song
- Interactive format
- Seven subject areas
- Enhanced graphics
- Classical Acts & Facts timeline
- U.S. presidents
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Classical Conversations® Foundations Memory Work Tutorials, Cycle 3 Strengthen your brain by memorizing quality content with art and song in a beautiful, interactive format in seven subject areas. New features include enhanced graphics and interactivity, Classical Conversations® Classical Acts & Facts® timeline, and the U.S. presidents! Classical Conversations® empowers homeschooling parents and establishes classical, Christian communities that equip children with a biblical worldview and the classical tools of learning in order to impact the world for God’s glory. Visit us online to learn more: ClassicalConversations.com ClassicalConversationsBooks.com Please send questions or comments to: customerservice@classicalconversations.com
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
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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 review sentiment: NumberSlam® at 100% against Foundations Memory Work C3's 36%. NumberSlam® also leads on price (Free vs $9.99) and rating (5.0 vs 3.6). Foundations Memory Work C3's advantage is in-app purchases (none vs 1) and ratings volume (171 vs 7). On ads, monetization model, device support and iOS requirement 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
NumberSlam® is free to download; Foundations Memory Work C3 costs $9.99 up front. NumberSlam® sells 1 one-off in-app purchase. Foundations Memory Work C3 asks for nothing beyond the download.
NumberSlam® holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Foundations Memory Work C3 has 171 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 36% of Foundations Memory Work C3's written reviews are positive against 100% of NumberSlam®'s.
Foundations Memory Work C3 ships an update every 16 months, NumberSlam® every 6 days. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.
| Parameter | Foundations Memory Work C3 | NumberSlam® |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 3.6 (171 ratings) | 5.0 (7 ratings) — better |
| Positive reviews | 36.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 171 — better | 7 |
| Update frequency | Every 16 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Best chart rank | #11 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 739 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Classical Conversations | PIRUX, LLC |
Customer experience
Foundations Memory Work C3
NumberSlam®
Bugs and requests
Foundations Memory Work C3
Reported bugs
7 issues- Screen rotation issues
- App disrupts phone's screen rotation
- Content not loading correctly (e.g., only math)
- Outdated content (e.g., President Biden not listed)
- Latin pronunciation abysmal
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- No sound issues (related to mute switch)
- Quirky bugs with new app downloads
Requested features
22 requests- Organize material into a weekly format
- Add the Timeline song (in its entirety)
- Add President's Song
- Add States and Capitals song
- Add History song
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- Add Latin song
- Add Geography song
- Add quiz/test option
- Add games or interactive elements
- Add a study tracker
- Ability to navigate individual songs (slide forward/backward)
- Option to play whole week through
- Weekly breakdown view
- Visual depiction of memory work
- Update to 5th edition
- Include all content from CDs
- Add President's song update (post-Obama)
- Option to listen to all lessons in a row
- Option to play one subject's lessons from week 1 on
- Parental settings to prevent skipping ahead
- Optimize for iPhone X
- Discount for existing users
NumberSlam®
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Foundations Memory Work C3
No in-app purchases
NumberSlam®
- Activate NumberSlam$7.99
Questions
Is Foundations Memory Work C3 free?
Is NumberSlam® free?
Which has better reviews, Foundations Memory Work C3 or NumberSlam®?
Do Foundations Memory Work C3 or NumberSlam® have ads?
Which is updated more often, Foundations Memory Work C3 or NumberSlam®?
Other comparisons
