Comparison

OneApp by Pertinence vs EInvoicely by CryptwareSystems

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

Head to head
About

OneApp by Pertinence

Features
Read full description

OneApp is your trusted platform for buying land, co-owning property, investing in real estate, and earning income through referrals all in one place. Whether you're a first-time buyer, seasoned investor, or an aspiring realtor, OneApp gives you the tools to grow your real estate portfolio and income with ease. What you can do with OneApp: Buy Verified Land – Browse and purchase properties in vetted estates. Co-Own Property – Join others to invest in land or estate projects with shared ownership. Earn from Referrals – Share your unique referral link, close sales, and earn commissions. Recruit Realtors – Build your team and grow your network directly from the app. Flexible Payment Options – Choose from multiple payment plans tailored to your needs. Track Subscriptions – Monitor your payment progress and stay on top of your property commitments. Easy Access to Documentation – Download all official documents for your transactions directly from the app. For Customers, Investors, and Realtors. OneApp simplifies property ownership and real estate investment anytime, anywhere.

About

EInvoicely by CryptwareSystems

Features
Read full description

EInvoicely – Powered by Cryptware Systems Running a business shouldn’t mean drowning in paperwork. EInvoicely is Nigeria’s first fully government-compliant mobile e-invoicing app, designed to take the hassle out of billing and keep your business running smoothly. Whether you’re a freelancer, a startup, or a large enterprise, EInvoicely lets you create, send, and track invoices effortlessly—all from your phone. With EInvoicely, every invoice is accurate, professional, and fully compliant with Nigerian tax regulations. Automate recurring tasks, schedule invoices, and monitor payments in real time so you never miss a due date. The app’s secure platform keeps your data safe while giving you clear insights into your cash flow and business performance. EInvoicely is more than just an invoicing tool—it’s a smart assistant for your business. Say goodbye to manual calculations, lost invoices, and endless follow-ups. With EInvoicely, you can focus on growing your business, building client relationships, and making decisions with confidence, while the app handles the rest.

Screenshots

OneApp by Pertinence4 screens
EInvoicely by CryptwareSystems4 screens

Verdict

The call

The clearest difference is update cadence: EInvoicely by CryptwareSystems at weekly against OneApp by Pertinence's every 3 weeks. 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

OneApp by Pertinence ships an update every 3 weeks, EInvoicely by CryptwareSystems weekly. The most recent releases landed on September 17, 2026 and September 1, 2026 respectively.

Scorecard1 real difference · 5 level
OneApp by Pertinence versus EInvoicely by CryptwareSystems: the parameters behind the verdict, then further details
ParameterOneApp by PertinenceEInvoicely by CryptwareSystems
PriceFreeFree
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 — better15.6
Further details — not scored
Size51 MB26 MB
Age rating4+4+
DeveloperPettysave LimitedCryptware Systems

In-app purchases

None

OneApp by Pertinence

No in-app purchases

None

EInvoicely by CryptwareSystems

No in-app purchases

Questions

Is OneApp by Pertinence free?
OneApp by Pertinence is free to download, with no in-app purchases.
Is EInvoicely by CryptwareSystems free?
EInvoicely by CryptwareSystems is free to download, with no in-app purchases.
Do OneApp by Pertinence or EInvoicely by CryptwareSystems have ads?
Neither OneApp by Pertinence nor EInvoicely by CryptwareSystems shows ads.
Which is updated more often, OneApp by Pertinence or EInvoicely by CryptwareSystems?
OneApp by Pertinence ships an update every 3 weeks, and EInvoicely by CryptwareSystems weekly. Most recently, OneApp by Pertinence was updated on September 17, 2026 and EInvoicely by CryptwareSystems on September 1, 2026.

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