# Complicator vs MarkDeck

The clearest difference is in-app purchases: Complicator at none against MarkDeck's 3. Complicator also leads on ads (none vs shown). MarkDeck's advantage is update cadence (every 2 days vs weekly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. MarkDeck sells 3 in-app purchases, starting at $2.99 per month. Complicator asks for nothing beyond the download.

Complicator ships an update weekly, MarkDeck every 2 days. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Complicator | MarkDeck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Size | 4 MB | 95 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Tinker Labs AB](https://appshunter.io/developer/1871194811) | [Jeisson Segura](https://appshunter.io/developer/1880400509) |

## What reviewers say

### Complicator

[App page](https://appshunter.io/ios/app/complicator/id6758154567)

**In-app purchases:** none


### MarkDeck

[App page](https://appshunter.io/ios/app/markdeck-pdf-epub-md-reader/id6759819036)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MarkDeck Pro Monthly | $2.99 | per month |
| MarkDeck Pro Annual | $24.99 | per year |
| MarkDeck Pro Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is Complicator free?

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

### Is MarkDeck free?

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

### Do Complicator or MarkDeck have ads?

MarkDeck shows ads; Complicator does not.

### Which is updated more often, Complicator or MarkDeck?

Complicator ships an update weekly, and MarkDeck every 2 days. Most recently, Complicator was updated on October 5, 2026 and MarkDeck on October 8, 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.*