simple! QuickTodo+ vs PDFSeek
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- One-handed operation
- Task categories
- Alarm notifications
- Passcode protection
- Colorful themes
- Centralized controls
Read full descriptionHide 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.
PDFSeek
Read full descriptionHide full description
Help college students, researchers and industry experts; interpret documents (PDF) more efficiently and get instant answers to questions.
Screenshots
Verdict
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
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.
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.
| Parameter | simple! QuickTodo+ | PDFSeek |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 90.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 65 MB |
| Age rating | 4+ | 17+ |
| Developer | flickfrog | 国伟 黄 |
In-app purchases
simple! QuickTodo+
- Upgrade$5.99
PDFSeek
- Monthly Membership$4.00
- Annual Membership$42.00
- PDF translation$69.99
Show 9 moreShow fewer
- 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









