# Complicator vs RingCalendar

The clearest difference is in-app purchases: Complicator at none against RingCalendar's 2. Complicator also leads on iOS requirement (17.0 vs 26.5). RingCalendar's advantage is update cadence (every 3 days vs weekly). On price, ads and device support there is nothing between them.

Both are free to download. RingCalendar sells 2 one-off in-app purchases. Complicator asks for nothing beyond the download.

Complicator ships an update weekly, RingCalendar every 3 days. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Complicator | RingCalendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/complicator/id6758154567/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free | — |
| Size | 4 MB | 22 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Tinker Labs AB](https://appshunter.io/developer/1871194811) | [IO CZ s.r.o.](https://appshunter.io/developer/6810563572) |

## 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


### RingCalendar

[App page](https://appshunter.io/ios/app/ringcalendar/id6810563570)

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-Day Trial | Free | one-time |
| RingCalendar Pro | $12.99 | one-time |


## Frequently asked questions

### Is Complicator free?

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

### Is RingCalendar free?

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

### Do Complicator or RingCalendar have ads?

Neither Complicator nor RingCalendar shows ads.

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

Complicator ships an update weekly, and RingCalendar every 3 days. Most recently, Complicator was updated on October 31, 2026 and RingCalendar on November 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.*