NumHole vs PreBoard360
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NumHole
This app challenges players with arithmetic puzzles, starting simple and increasing in difficulty. It enhances mental math skills and logical thinking through engaging number-based challenges.
- Gradual difficulty increase
- Mental arithmetic training
- Algorithmic thinking development
- Number-based puzzles
- Logical relationship analysis
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Researching the results obtained from simple calculations between numbers, such as multiplication and division, gradually increasing the difficulty level step by step, emphasizing players' mental arithmetic abilities, and helping players improve their algorithmic thinking while passing levels. Although it's only simple addition, subtraction, multiplication, and division, when it reaches a certain level of difficulty, players need to spend more energy thinking about the logical relationships between numbers.
PreBoard360
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Welcome to Your First Day, Simplified. Our app makes starting a new job easier than ever. Designed with simplicity in mind, it guides you step-by-step through everything you need to complete before day one—from paperwork and policies to training and compliance tasks. No confusion, no guesswork—just a clear path that ensures you’re prepared, confident, and ready to shine. For employers, it’s peace of mind. With every step tracked and verified, you can rest assured that new hires are fully compliant, informed, and aligned with company standards before they even walk through the door. Easy to use, reliable, and efficient—our app turns onboarding into an engaging experience that sets the stage for success.
Screenshots
Verdict
The clearest difference is in-app purchases: PreBoard360 at none against NumHole's 1. PreBoard360 also leads on update cadence (fortnightly vs every 6 months). On price, ads, 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
Both are free to download. NumHole sells 1 one-off in-app purchase. PreBoard360 asks for nothing beyond the download.
NumHole ships an update every 6 months, PreBoard360 fortnightly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | NumHole | PreBoard360 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 6 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 35 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | 永生 刘 | OneTeam360 |
In-app purchases
NumHole
- 提示次数6次$0.99
PreBoard360
No in-app purchases









