# Complicator vs Knowto

The clearest difference is in-app purchases: Complicator at none against Knowto's 2. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Knowto sells 2 in-app purchases, starting at $0.99 per month. Complicator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Complicator against 5.0 for Knowto. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Complicator ships an update weekly, Knowto every 10 days. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Complicator | Knowto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/complicator/id6758154567/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/knowto-instant-note-taking/id6798763650/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | **Free** | Freemium |
| Size | 4 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tinker Labs AB](https://appshunter.io/developer/1871194811) | [Lumik LLC](https://appshunter.io/developer/1860645804) |

## What reviewers say

### Complicator

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

Transform any REST API into a glanceable watch face complication. Display financial data, weather, server stats, and more directly on your wrist. Configure easily on your iPhone and view updates automatically on your Apple Watch.

**Highlights:** Fetch data from any JSON API, Multiple data format options, Customizable labels and font sizes, Support for all complication styles, Configure on iPhone, view on Apple Watch, Add multiple data points

**In-app purchases:** none


### Knowto

[App page](https://appshunter.io/ios/app/knowto-instant-note-taking/id6798763650)

Capture ideas instantly with a fast, local-first note-taking app. Organize thoughts naturally with threads, tags, and attachments. Access your notes offline with optional cloud sync.

**Highlights:** Always-ready composer, Build on thoughts with threads, Search and filter notes, Attach photos and resources, Local-first storage, Background sync across devices

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knowto Plus Monthly | $0.99 | per month |
| Knowto Plus Yearly | $9.99 | per year |


## Frequently asked questions

### Is Complicator free?

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

### Is Knowto free?

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

### Which has better reviews, Complicator or Knowto?

Complicator and Knowto are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Complicator or Knowto have ads?

Neither Complicator nor Knowto shows ads.

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

Complicator ships an update weekly, and Knowto every 10 days. Most recently, Complicator was updated on October 23, 2026 and Knowto on October 10, 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.*