# Dark PDF vs ADHD Focus Timer & To

The clearest difference is update cadence: ADHD Focus Timer & To at fortnightly against Dark PDF's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Dark PDF sells 4 in-app purchases, starting at $1.99 per month and ADHD Focus Timer & To sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Dark PDF ships an update monthly, ADHD Focus Timer & To fortnightly. The most recent releases landed on July 22, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Dark PDF | ADHD Focus Timer & To |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 11 MB | 49 MB |
| Requires iOS | 15.4 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Muhammet Ozturk](https://appshunter.io/developer/1640983852) | [Apps That Care OU](https://appshunter.io/developer/1838304932) |

## What reviewers say

### Dark PDF

[App page](https://appshunter.io/ios/app/dark-pdf-night-mode-reader/id6754808094)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - Unlimited - Black Friday | $1.99 | per month |
| Yearly - Unlimited Pdf,Black Friday | $9.99 | per year |
| Monthly - Unlimited PDF | $49.99 | per month |
| Yearly - Unlimited PDF | $99.99 | per year |


### ADHD Focus Timer & To

[App page](https://appshunter.io/ios/app/adhd-focus-timer-and-to-do-list/id6770051455)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Focus Timer Premium (1 Week) | $1.99 | per 7 days |
| Focus Timer Premium (1 Year) | $12.99 | per year |


## Frequently asked questions

### Is Dark PDF free?

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

### Is ADHD Focus Timer & To free?

ADHD Focus Timer & To is free to download, with in-app purchases available.

### Do Dark PDF or ADHD Focus Timer & To have ads?

Neither Dark PDF nor ADHD Focus Timer & To shows ads.

### Which is updated more often, Dark PDF or ADHD Focus Timer & To?

Dark PDF ships an update monthly, and ADHD Focus Timer & To fortnightly. Most recently, Dark PDF was updated on July 22, 2026 and ADHD Focus Timer & To on September 11, 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.*