Comparison

PlainNotes Offline vs QuadTask

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

Head to head
About

PlainNotes Offline

Features
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PlainNotes Offline is a simple note editor designed for people who want complete control over their data. It works fully offline and never connects to the internet. Notes are stored only on your device and encrypted at rest. No cloud sync, no accounts, no trackingβ€”your data never leaves your device. Key Features β€’ Fully offline, no network operations β€’ Local-only storage (on your device) β€’ Encryption at rest β€’ Passphrase-protected access β€’ No cloud sync, no accounts β€’ No ads, no analytics, no third-party SDKs Important: No Recovery PlainNotes Offline has no recovery mechanism. If you forget your passphrase, delete the app, or reset your device, your notes cannot be recovered. This is an intentional design choice to maximize privacy and local data ownership. Privacy Policy: https://static.plainnotes.app/legal/privacy

About

QuadTask

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QuadTask is a simple, focused task manager built around the world-famous Eisenhower Matrix. Sort your tasks across the four quadrants of "Urgency x Importance" - a method popularized by Stephen Covey's "7 Habits of Highly Effective People" - so you can focus on what truly matters. [Who is this for?] - You have too much on your plate and feel overwhelmed - You spend all day firefighting urgent tasks - You want to invest more time in "important but not urgent" work - You've tried other task apps but couldn't stick with them [Key features] - Quick capture: jot down ideas in seconds with the top input - Drag uncategorized tasks into a quadrant - Set due dates and notifications - Review with completion history and weekly stats - Built-in guide explaining the Eisenhower Matrix - NEW: Google Calendar sync (Premium only) Tasks with a due date sync automatically to Google Calendar. Tasks created on iPhone appear on iPad too. [The 4 Quadrants] I. Urgent x Important -> Do now II. Important x Not urgent -> Plan (the most important) III. Urgent x Not important -> Delegate IV. Neither -> Drop [Premium plan] - The free plan allows up to 10 active tasks. Premium lifts this limit. - Google Calendar sync is also Premium-only. (Auto-renewing subscription. Cancel anytime in Settings.) - By default, all your data stays on your device. Only when you enable Google Calendar sync (opt-in) are your dated tasks sent to Google Calendar. [Languages] Japanese, English, Simplified Chinese, Korean. Get your mind in order - with QuadTask. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://abstracted-shoemaker-1dd.notion.site/QuadTask-2c44a06323ed8008b325dfe918d4f2b5

Screenshots

PlainNotes Offline4 screens
QuadTask4 screens

Verdict

The call

The clearest difference is in-app purchases: PlainNotes Offline at none against QuadTask's 1. QuadTask's advantage is update cadence (every 2 days vs monthly) and iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. QuadTask sells 1 in-app purchase, starting at $2.99 per month. PlainNotes Offline asks for nothing beyond the download.

UpkeepUpdate frequency

PlainNotes Offline ships an update monthly, QuadTask every 2 days. The most recent releases landed on June 20, 2026 and September 14, 2026 respectively.

Scorecard3 real differences Β· 3 level
PlainNotes Offline versus QuadTask: the parameters behind the verdict, then further details
ParameterPlainNotes OfflineQuadTask
PriceFreeFree
Update frequencyMonthlyEvery 2 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS16.613.0 β€” better
Further details β€” not scored
Size6 MB22 MB
Age rating4+4+
DeveloperShanghai Duizhi Data Technology Co., LtdTomohiko Yasui

In-app purchases

None

PlainNotes Offline

No in-app purchases

1 purchases

QuadTask

Subscriptions1
  • Premium Monthly$2.991 Month

Questions

Is PlainNotes Offline free?
PlainNotes Offline is free to download, with no in-app purchases.
Is QuadTask free?
QuadTask is free to download, with in-app purchases available.
Do PlainNotes Offline or QuadTask have ads?
Neither PlainNotes Offline nor QuadTask shows ads.
Which is updated more often, PlainNotes Offline or QuadTask?
PlainNotes Offline ships an update monthly, and QuadTask every 2 days. Most recently, PlainNotes Offline was updated on June 20, 2026 and QuadTask on September 14, 2026.

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