NBOA Programs vs 24 (+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NBOA Programs
Access detailed information about NBOA Programs and engage with event content. Users can view presentations, connect with exhibitors and attendees, and take notes directly on presentation slides.
- Access program details
- View presentations
- Connect with exhibitors
- Network with attendees
- Take notes on slides
- Draw on presentation slides
Read full descriptionHide full description
The NBOA Programs application allows you to access each NBOA Programs details. Within the underlying event apps, users can access presentations, exhibitors, and connect with other attendees. Users can also take notes adjacent available presentation slides and draw directly on slides inside the event apps.
24 (+
A free math puzzle game where you use four numbers and basic arithmetic operations to reach the target number 24. It's designed to enhance arithmetic skills, particularly for middle and high school students.
- Four-digit arithmetic puzzles
- Use +, -, ÷, x operations
- Parentheses for grouping
- Improves math skills
- Targeted for students
Read full descriptionHide full description
The classic game of 24. Use 4 digits to total 24 using only the operations +, -, ÷, x, and parentheses for grouping. Helps anyone improve math/arithmetic skills, especially middle and high school students. It's fun, and it's free.
Screenshots
Verdict
The clearest difference is ads: NBOA Programs at none against 24 (+'s shown. NBOA Programs also leads on ratings volume (308 vs 2) and monetization model (free vs ad-supported). 24 (+'s advantage is rating (5.0 vs 4.8) and update cadence (every 3 months vs every 7 months). On price and in-app purchases 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.
24 (+ holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: NBOA Programs has 308 ratings behind it against 2, so its average is the more settled of the two.
NBOA Programs ships an update every 7 months, 24 (+ every 3 months. Both last shipped on October 14, 2026.
| Parameter | NBOA Programs | 24 (+ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (308 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 308 — better | 2 |
| Update frequency | Every 7 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.5 — better | 17.6 |
| Further details — not scored | ||
| Size | 91 MB | 6 MB |
| Age rating | 17+ | 4+ |
| Developer | NATIONAL BUSINESS OFFICERS ASSOCIATION, INC | Gilbert Gonsalves |
Customer experience
NBOA Programs
24 (+
In-app purchases
NBOA Programs
No in-app purchases
24 (+
No in-app purchases









