# BigOit vs DocReader

The clearest difference is update cadence: BigOit at every 2 days against DocReader's every 11 days. DocReader's advantage is iOS requirement (16.4 vs 26.0). 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.

BigOit ships an update every 2 days, DocReader every 11 days. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | BigOit | DocReader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 11 days |
| Size | 66 MB | 73 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Mohammed Alblooki](https://appshunter.io/developer/1829139561) | [Emmanuel Adooli](https://appshunter.io/developer/1654673386) |

## What reviewers say

### BigOit

[App page](https://appshunter.io/ios/app/bigoit/id6749181238)

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

**In-app purchases:** none


### DocReader

[App page](https://appshunter.io/ios/app/docreaderpdfebooktextospeech/id6763090864)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BigOit free?

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

### Is DocReader free?

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

### Do BigOit or DocReader have ads?

Neither BigOit nor DocReader shows ads.

### Which is updated more often, BigOit or DocReader?

BigOit ships an update every 2 days, and DocReader every 11 days. Most recently, BigOit was updated on September 25, 2026 and DocReader on September 17, 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.*