# Smart PDF+ Editor vs MDflow

The clearest difference is price: MDflow at Free against Smart PDF+ Editor's $4.99. MDflow also leads on update cadence (every 2 days vs every 4 months). Smart PDF+ Editor's advantage is iOS requirement (15.6 vs 26.5). On ads, in-app purchases and device support there is nothing between them.

MDflow is free to download; Smart PDF+ Editor costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Smart PDF+ Editor ships an update every 4 months, MDflow every 2 days. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Smart PDF+ Editor | MDflow |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.8 (53 ratings)](https://appshunter.io/ios/app/smart-pdf-plus-editor/id1184082898/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | 5.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Paid | — |
| Size | 11 MB | 6 MB |
| Requires iOS | **15.6** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Qrayon, LLC](https://appshunter.io/developer/354980265) | [DataOps, s.r.o.](https://appshunter.io/developer/1737658720) |

## What reviewers say

### Smart PDF+ Editor

[App page](https://appshunter.io/ios/app/smart-pdf-plus-editor/id1184082898)

This app allows users to read, sign, and annotate PDF documents, especially with stylus input. It's designed for professionals to quickly handle documents and for students to take notes on study materials. Features include a built-in file manager for organization.

**Highlights:** Ink annotations, Document signing, File organization, PDF reading, Document sharing

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

**In-app purchases:** none


### MDflow

[App page](https://appshunter.io/ios/app/mdflow-mobile-markdown/id6785617933)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart PDF+ Editor free?

Smart PDF+ Editor costs $4.99, with no in-app purchases.

### Is MDflow free?

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

### Do Smart PDF+ Editor or MDflow have ads?

Neither Smart PDF+ Editor nor MDflow shows ads.

### Which is updated more often, Smart PDF+ Editor or MDflow?

Smart PDF+ Editor ships an update every 4 months, and MDflow every 2 days. Most recently, Smart PDF+ Editor was updated on October 8, 2026 and MDflow on October 9, 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.*