# PDFix vs Simple Todo

The clearest difference is in-app purchases: Simple Todo at none against PDFix's 4. Simple Todo also leads on update cadence (daily vs every 9 days). PDFix's advantage is ratings volume (3 vs 1) and iOS requirement (15 vs 17.0). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. PDFix sells 4 in-app purchases, starting at $0.99 per 7 days. Simple Todo asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for PDFix against 5.0 for Simple Todo. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

PDFix ships an update every 9 days, Simple Todo daily. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PDFix | Simple Todo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/pdfix-edit-sign-convert-pdf/id6768568142/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/simple-todo-four-boxes/id6798758728/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Monetization | Free | Free |
| Size | 170 MB | 9 MB |
| Requires iOS | **15** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ARTEVUS TECHNOLOGIES (PRIVATE) LIMITED](https://appshunter.io/developer/1896242157) | [KIM HYUN CHUL](https://appshunter.io/developer/6798758730) |

## What reviewers say

### PDFix

[App page](https://appshunter.io/ios/app/pdfix-edit-sign-convert-pdf/id6768568142)

Edit, sign, merge, split, and convert PDF files and images to PDF. This app offers full PDF editing, electronic signature creation, and image conversion without any subscriptions, ads, or hidden fees.

**Highlights:** Edit PDF text and forms, Create handwritten and typed signatures, Convert images to PDF, Merge and split PDF files, Organize PDF documents, Sign contracts and agreements

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDFix Weekly Subscriptions | $0.99 | per 7 days |
| Monthly | $2.99 | per month |
| PDFix Yearly Subscriptions | $15.99 | per year |
| Yearly Subscription | $15.99 | per year |


### Simple Todo

[App page](https://appshunter.io/ios/app/simple-todo-four-boxes/id6798758728)

This app consolidates your Apple Reminders and Calendar events into a single, organized dashboard. It allows for easy viewing of weekly and monthly schedules, quick task creation, and customization of appearance and displayed lists. Seamless synchronization with Apple's native apps ensures your tasks are always up-to-date across devices.

**Highlights:** Time-based task dashboard, Apple Reminders and Calendar integration, Weekly agenda and monthly calendar views, Customizable list and calendar selection, Create, edit, and reschedule reminders, Adjustable text size and appearance modes, iPhone, iPad, and Mac support

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is PDFix free?

PDFix is free to download, with in-app purchases available.

### Is Simple Todo free?

Simple Todo is free to download, with no in-app purchases.

### Which has better reviews, PDFix or Simple Todo?

PDFix and Simple Todo are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do PDFix or Simple Todo have ads?

Neither PDFix nor Simple Todo shows ads.

### Which is updated more often, PDFix or Simple Todo?

PDFix ships an update every 9 days, and Simple Todo daily. Most recently, PDFix was updated on October 25, 2026 and Simple Todo on October 9, 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.*