# simple! QuickTodo+ vs PDFSeek

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.

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.

## The numbers

| Metric | simple! QuickTodo+ | PDFSeek |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-quicktodo-plus/id845111209/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 65 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [flickfrog](https://appshunter.io/developer/513272768) | [国伟 黄](https://appshunter.io/developer/1292690768) |

## What reviewers say

### simple! QuickTodo+

[App page](https://appshunter.io/ios/app/simple-quicktodo-plus/id845111209)

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:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade | $5.99 | one-time |


### PDFSeek

[App page](https://appshunter.io/ios/app/pdfseek/id6754899117)

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $4.00 | one-time |
| Annual Membership | $42.00 | one-time |
| PDF translation | $69.99 | one-time |
| PDF translation | $75.99 | one-time |
| PDF translation | $83.99 | one-time |
| PDF translation | $87.99 | one-time |
| PDF translation | $89.99 | one-time |
| PDF translation | $91.99 | one-time |
| PDF translation | $93.99 | one-time |
| PDF translation | $95.99 | one-time |
| PDF translation | $97.99 | one-time |
| PDF translation | $99.99 | one-time |


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*