Comparison

4 Quadrant Rule vs PDF Combine & Split

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

Head to head
About

4 Quadrant Rule

Features
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Priori helps you sort tasks with the Eisenhower Matrix—the classic four-quadrant method for urgent vs. important work. Capture to-dos in seconds, drag them into the right quadrant, and focus on what truly matters. Whether you are planning a busy week, managing side projects, or building better daily habits, Priori keeps your task board clear and actionable. No account, no cloud sync—everything stays on your device. • Four quadrants: Do Now, Schedule, Delegate, Eliminate • Quick add with title, notes, and due date • Mark complete, edit, or move tasks anytime • Stats view: completion trends and quadrant breakdown • Import and export your data as JSON backup • Works fully offline—private and fast Inspired by the timeless Priori productivity philosophy, this app is built for students, professionals, and anyone who wants a simple, distraction-free way to prioritize work.

About

PDF Combine & Split

Features
Read full description

Most PDF tools want an account and quietly upload your documents to a server to do the work. For a contract or a payslip, that's a non-starter. PDF Combine & Split does it on your phone. Nothing is uploaded. • Combine several PDFs — drag them into the exact order you want • Split a PDF into separate pages • Extract a page range • No account, no upload, no watermark • No ads. No subscription.

Screenshots

4 Quadrant Rule4 screens
PDF Combine & Split2 screens

Verdict

The call

The clearest difference is price: PDF Combine & Split at Free against 4 Quadrant Rule's $1.99. 4 Quadrant Rule's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On ads 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

CostPrice · In-app purchases · Ads · Monetization

PDF Combine & Split is free to download; 4 Quadrant Rule costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences · 3 level
4 Quadrant Rule versus PDF Combine & Split: the parameters behind the verdict, then further details
Parameter4 Quadrant RulePDF Combine & Split
Price$1.99Free — better
Update frequency—Fortnightly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size24 MB0 MB
Age rating4+4+
DeveloperXiamen City Fanyou Network Technology Co., Ltd.keisuke haraguchi

In-app purchases

None

4 Quadrant Rule

No in-app purchases

None

PDF Combine & Split

No in-app purchases

Questions

Is 4 Quadrant Rule free?
4 Quadrant Rule costs $1.99, with no in-app purchases.
Is PDF Combine & Split free?
PDF Combine & Split is free to download, with no in-app purchases.
Do 4 Quadrant Rule or PDF Combine & Split have ads?
Neither 4 Quadrant Rule nor PDF Combine & Split shows ads.

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