# When2Do vs MSRX PDF Compressor

The clearest difference is update cadence: When2Do at every 10 days against MSRX PDF Compressor's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

When2Do ships an update every 10 days, MSRX PDF Compressor every 5 months. The most recent releases landed on September 29, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | When2Do | MSRX PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/when2do/id1672746901/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 months |
| Monetization | Free | — |
| Size | 2 MB | 7 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Danilo Bottini](https://appshunter.io/developer/304768858) | [Mrinal Singh Raja](https://appshunter.io/developer/1879524280) |

## What reviewers say

### When2Do

[App page](https://appshunter.io/ios/app/when2do/id1672746901)

This app helps you plan your activities by scheduling them based on duration, deadline, and your work schedule. It tracks task progress and can export data to CSV. View your overall schedule in a GANTT style.

**Highlights:** Automated activity scheduling, Task duration and deadline input, Work schedule and holiday consideration, Task execution status tracking, CSV data export, GANTT style schedule view

**Features:** macOS Compatibility

**In-app purchases:** none


### MSRX PDF Compressor

[App page](https://appshunter.io/ios/app/msrx-pdf-compressor/id6759563556)

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

**In-app purchases:** none


## Frequently asked questions

### Is When2Do free?

When2Do is free to download, with no in-app purchases.

### Is MSRX PDF Compressor free?

MSRX PDF Compressor is free to download, with no in-app purchases.

### Do When2Do or MSRX PDF Compressor have ads?

Neither When2Do nor MSRX PDF Compressor shows ads.

### Which is updated more often, When2Do or MSRX PDF Compressor?

When2Do ships an update every 10 days, and MSRX PDF Compressor every 5 months. Most recently, When2Do was updated on September 29, 2026 and MSRX PDF Compressor on October 4, 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.*