Comparison

simple! QuickTodo+ vs PDFSeek

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

Head to head
About

simple! QuickTodo+

This utility app offers a streamlined approach to managing tasks with a focus on one-handed operation. It features customizable categories, alarms, and passcode protection for enhanced security and organization. Enjoy a visually appealing interface with colorful themes to make task management less mundane.

Highlights
  • One-handed operation
  • Task categories
  • Alarm notifications
  • Passcode protection
  • Colorful themes
  • Centralized controls
Features
Read full description

High-performance and simple! QuickTodo + (alarm notification / passcode) What type of TODO application is the best for iphone? How we can realize nimble operability and comfort when using application? The answer is "QuickTodo +". Every operation is centralized in the bottom of the screen, so that your finger can easily reach to buttons. "QuickTodo +" is an ideal one-handed operation app. With colorful colors, "QuickTodo +" release you from a drab and ordinary application ! Try our sophisticated "QuickTodo + " in your iphone. Function - category - alarm - passcode protection - central administration summary Compatible models iOS7.1 or later is required. iphone4S, ipod touch the 5nd generation or later is required. ※ Not compatible with iPad.

About

PDFSeek

Features
Read full description

Help college students, researchers and industry experts; interpret documents (PDF) more efficiently and get instant answers to questions.

Screenshots

simple! QuickTodo+3 screens
PDFSeek4 screens

Verdict

The call

The clearest difference is ads: PDFSeek at none against simple! QuickTodo+'s shown. PDFSeek also leads on update cadence (every 10 days vs every 2 months). On price, in-app purchases, device support and iOS requirement 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. simple! QuickTodo+ sells 1 one-off in-app purchase and PDFSeek sells 12 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

simple! QuickTodo+ ships an update every 2 months, PDFSeek every 10 days. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 8 level
simple! QuickTodo+ versus PDFSeek: the parameters behind the verdict, then further details
Parametersimple! QuickTodo+PDFSeek
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews90.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 10 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size14 MB65 MB
Age rating4+17+
Developerflickfrog国伟 黄

In-app purchases

1 purchases

simple! QuickTodo+

One-time1
  • Upgrade$5.99
12 purchases

PDFSeek

One-time12
  • Monthly Membership$4.00
  • Annual Membership$42.00
  • PDF translation$69.99
Show 9 more
  • PDF translation$75.99
  • PDF translation$83.99
  • PDF translation$87.99
  • PDF translation$89.99
  • PDF translation$91.99
  • PDF translation$93.99
  • PDF translation$95.99
  • PDF translation$97.99
  • PDF translation$99.99

Questions

Is simple! QuickTodo+ free?
simple! QuickTodo+ is free to download, with in-app purchases available.
Is PDFSeek free?
PDFSeek is free to download, with in-app purchases available.
Do simple! QuickTodo+ or PDFSeek have ads?
simple! QuickTodo+ shows ads; PDFSeek does not.
Which is updated more often, simple! QuickTodo+ or PDFSeek?
simple! QuickTodo+ ships an update every 2 months, and PDFSeek every 10 days. Most recently, simple! QuickTodo+ was updated on October 13, 2026 and PDFSeek on October 1, 2026.

Other comparisons