# My Ideas Book vs DOS Focus

The clearest difference is in-app purchases: My Ideas Book at none against DOS Focus's 2. DOS Focus's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. DOS Focus sells 2 in-app purchases, starting at $17.99 per year. My Ideas Book asks for nothing beyond the download.

My Ideas Book ships an update every 5 months, DOS Focus every 3 months. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | My Ideas Book | DOS Focus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/dos-focus/id6754083210/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | — | Freemium |
| Size | 10 MB | 105 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Asmaa Almarrikhi](https://appshunter.io/developer/1473860759) | [Nguyen Vu Thai](https://appshunter.io/developer/1626985836) |

## What reviewers say

### My Ideas Book

[App page](https://appshunter.io/ios/app/my-ideas-book/id6742347140)

**Features:** macOS Compatibility

**In-app purchases:** none


### DOS Focus

[App page](https://appshunter.io/ios/app/dos-focus/id6754083210)

Enhance concentration with nostalgic computer sounds and a distraction-free environment. Customize focus sessions, track progress, and personalize your interface with classic DOS themes for improved productivity.

**Highlights:** Retro soundscapes, Customizable focus sessions, Focus progress reports, Classic DOS themes, Offline and minimal design

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Try DOS FOCUS PRO | $17.99 | per year |
| Try DOS FOCUS PRO | $8.99 | one-time |


## Frequently asked questions

### Is My Ideas Book free?

My Ideas Book is free to download, with no in-app purchases.

### Is DOS Focus free?

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

### Do My Ideas Book or DOS Focus have ads?

My Ideas Book shows ads; DOS Focus does not.

### Which is updated more often, My Ideas Book or DOS Focus?

My Ideas Book ships an update every 5 months, and DOS Focus every 3 months. Most recently, My Ideas Book was updated on November 8, 2026 and DOS Focus on November 5, 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.*