Comparison

N2x3x5x7x vs Smart Mining Strobe

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

Head to head

N2x3x5x7x

a surreal number explorer

About

N2x3x5x7x

Features

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Is your telephone number prime ? Or your Birthday ?? N2x3x5x7x will show the prime factors for any number up to 10,000,000,000. It will also convert any number from/to any base 2 to 16. Use N2x3x5x7x, with its unique spiral keyboard, to explore the natural numbers and see if you can find primes, or perhaps a surreal pattern... N2x3x5x7x, an infinitesimal contribution to Number Theory

About

Smart Mining Strobe

Features

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Easily configure your Smart Mining Strobe with this user-friendly app. THE SMART MINING STROBE IS PROTECTED BY US PATENT No. 10482729 AND CANADIAN PATENT No. 2,987,350 BY ITS INVENTOR, PAUL TONELLO. ALL RIGHTS RESERVED.

Screenshots

N2x3x5x7x1 screens

Smart Mining Strobe3 screens

Verdict

The call

The clearest difference is update cadence: Smart Mining Strobe at every 5 days against N2x3x5x7x's every 23 months. N2x3x5x7x's advantage is iOS requirement (9.0 vs 15.1). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

N2x3x5x7x ships an update every 23 months, Smart Mining Strobe every 5 days. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 4 level

N2x3x5x7x versus Smart Mining Strobe: the parameters behind the verdict, then further details
Parameter	N2x3x5x7x	Smart Mining Strobe
Price	Free	Free
Update frequency	Every 23 months	Every 5 days — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	9.0 — better	15.1
Further details — not scored
Size	15 MB	45 MB
Age rating	4+	4+
Developer	DaliFermat Ltd	Andre Jansen van Rensburg

In-app purchases

None

N2x3x5x7x

No in-app purchases

None

Smart Mining Strobe

No in-app purchases

Questions

Is N2x3x5x7x free?

N2x3x5x7x is free to download, with no in-app purchases.

Is Smart Mining Strobe free?

Smart Mining Strobe is free to download, with no in-app purchases.

Do N2x3x5x7x or Smart Mining Strobe have ads?

Neither N2x3x5x7x nor Smart Mining Strobe shows ads.

Which is updated more often, N2x3x5x7x or Smart Mining Strobe?

N2x3x5x7x ships an update every 23 months, and Smart Mining Strobe every 5 days. Most recently, N2x3x5x7x was updated on October 14, 2026 and Smart Mining Strobe on October 9, 2026.