Comparison

NumHole vs PreBoard360

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

NumHole

Features
Read full description

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.

About

PreBoard360

Features
Read full description

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

NumHole4 screens
PreBoard3604 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. NumHole sells 1 one-off in-app purchase. PreBoard360 asks for nothing beyond the download.

UpkeepUpdate frequency

NumHole ships an update every 6 months, PreBoard360 fortnightly. Both last shipped on October 7, 2026.

Scorecard2 real differences · 4 level
NumHole versus PreBoard360: the parameters behind the verdict, then further details
ParameterNumHolePreBoard360
PriceFreeFree
Update frequencyEvery 6 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.6
Further details — not scored
Size35 MB51 MB
Age rating4+4+
Developer永生 刘OneTeam360

In-app purchases

1 purchases

NumHole

One-time1
  • 提示次数6次$0.99
None

PreBoard360

No in-app purchases

Questions

Is NumHole free?
NumHole is free to download, with in-app purchases available.
Is PreBoard360 free?
PreBoard360 is free to download, with no in-app purchases.
Do NumHole or PreBoard360 have ads?
Neither NumHole nor PreBoard360 shows ads.
Which is updated more often, NumHole or PreBoard360?
NumHole ships an update every 6 months, and PreBoard360 fortnightly. Most recently, NumHole was updated on October 7, 2026 and PreBoard360 on October 7, 2026.

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