Comparison

4Quadrants vs ConcurReminder

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

Head to head
About

4Quadrants

Features
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FourQuadrants is an efficiency tool built on the proven "Eisenhower Matrix" method. Stop drowning in endless to-do lists and instantly recognize what truly matters right now. Core Features: - Quadrant View: A clean, intuitive grid layout that makes prioritization effortless. - Smart Automation: Automatically determines urgency based on deadlines—no manual sorting needed. - Drag & Drop: Seamlessly move tasks between quadrants, and let the system intelligently adjust priorities. - Live Activity: Track your current focus directly from the Lock Screen. - Home Screen Widgets: View your most critical tasks without even opening the app. - Privacy First: Your data stays yours, leveraging iCloud and local storage. This is an early public beta. We welcome your feedback! Make every second count towards what's important.

About

ConcurReminder

Features
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CREATE A COUNTDOWN - Set the date, repetition, reminders, and units shown for an event. - Choose the colors and type size for each countdown. - Export your events to a backup and import them later. CALENDAR AND WIDGET See events by year, month, or week. Keep your next countdown on the home screen. DATE AND DEADLINE CALCULATORS Add or subtract calendar days or workdays from a date, count the days between two dates, or calculate deadlines under FRCP 6(a). Save the result as a countdown event. NEARBY ON RECORD Find the nearest historical incident to where you are, see who it affected, and turn its upcoming anniversary into a yearly countdown.

Screenshots

4Quadrants2 screens
ConcurReminder4 screens

Verdict

The call

The clearest difference is update cadence: 4Quadrants at every 6 days against ConcurReminder's every 4 weeks. ConcurReminder's advantage is iOS requirement (15.0 vs 26.0). 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

4Quadrants ships an update every 6 days, ConcurReminder every 4 weeks. The most recent releases landed on September 17, 2026 and September 8, 2026 respectively.

Scorecard2 real differences · 4 level
4Quadrants versus ConcurReminder: the parameters behind the verdict, then further details
Parameter4QuadrantsConcurReminder
PriceFreeFree
Update frequencyEvery 6 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.0 — better
Further details — not scored
Size6 MB26 MB
Age rating4+4+
Developer颢宸 唐Braveyo LLC

In-app purchases

None

4Quadrants

No in-app purchases

None

ConcurReminder

No in-app purchases

Questions

Is 4Quadrants free?
4Quadrants is free to download, with no in-app purchases.
Is ConcurReminder free?
ConcurReminder is free to download, with no in-app purchases.
Do 4Quadrants or ConcurReminder have ads?
Neither 4Quadrants nor ConcurReminder shows ads.
Which is updated more often, 4Quadrants or ConcurReminder?
4Quadrants ships an update every 6 days, and ConcurReminder every 4 weeks. Most recently, 4Quadrants was updated on September 17, 2026 and ConcurReminder on September 8, 2026.

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