# OnePreview vs md.too

OnePreview and md.too are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

OnePreview ships an update every 2 weeks, md.too fortnightly. The most recent releases landed on September 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | OnePreview | md.too |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 8 MB | 2 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [培克 罗](https://appshunter.io/developer/1516557687) | [Dmitry Kuznetsov](https://appshunter.io/developer/444680294) |

## What reviewers say

### OnePreview

[App page](https://appshunter.io/ios/app/onepreview/id6760284919)

**Features:** Vision Pro support

**In-app purchases:** none


### md.too

[App page](https://appshunter.io/ios/app/mdtoo/id6767852877)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OnePreview free?

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

### Is md.too free?

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

### Do OnePreview or md.too have ads?

Neither OnePreview nor md.too shows ads.

### Which is updated more often, OnePreview or md.too?

OnePreview ships an update every 2 weeks, and md.too fortnightly. Most recently, OnePreview was updated on September 30, 2026 and md.too 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.*