# Circa³ vs Clock Buddy

The clearest difference is price: Clock Buddy at Free against Circa³'s $3.99. Clock Buddy also leads on review sentiment (100% vs 63%) and rating (5.0 vs 4.5). Circa³'s advantage is ratings volume (384 vs 1) and device support (4 vs 2). On ads, in-app purchases and monetization model there is nothing between them.

Clock Buddy is free to download; Circa³ costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Clock Buddy holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Circa³ has 384 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 63% of Circa³'s written reviews are positive against 100% of Clock Buddy's.

Circa³ ships an update monthly, Clock Buddy every 4 days. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Circa³ | Clock Buddy |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.5 (384 ratings)](https://appshunter.io/ios/app/circa-time-zone-converter/id968698352/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/clock-buddy-complications/id6762166578/reviews)** |
| Number of ratings | **384** | 1 |
| Positive reviews | 63.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free | Free |
| Size | 39 MB | 1 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Kostiantyn Zuiev](https://appshunter.io/developer/1053341480) | [Martian Code Oy](https://appshunter.io/developer/1099214691) |

## What reviewers say

### Circa³

[App page](https://appshunter.io/ios/app/circa-time-zone-converter/id968698352)

Easily manage time across different locations and time zones. Find optimal meeting times and generate invitations that suit everyone's schedule. This tool helps synchronize teams working in various parts of the world.

**Highlights:** Compare time across multiple locations, View working hour overlaps, Integrate calendars, Organize personally, Create one-touch meeting invitations

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Clock Buddy

[App page](https://appshunter.io/ios/app/clock-buddy-complications/id6762166578)

Easily track multiple world times directly on your Apple Watch. Customize city labels, abbreviations, and colors for quick identification. Choose between compact or dense complications for your watch face.

**Highlights:** Display multiple world times, Customizable city labels and colors, Rectangular watch face complications, Compact and dense complication options, Minute-by-minute time updates

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Circa³ free?

Circa³ costs $3.99, with no in-app purchases.

### Is Clock Buddy free?

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

### Which has better reviews, Circa³ or Clock Buddy?

Clock Buddy is rated higher. Circa³ averages 4.5 out of 5 from 384 ratings, while Clock Buddy averages 5.0 from 1 ratings.

### Do Circa³ or Clock Buddy have ads?

Neither Circa³ nor Clock Buddy shows ads.

### Which is updated more often, Circa³ or Clock Buddy?

Circa³ ships an update monthly, and Clock Buddy every 4 days. Most recently, Circa³ was updated on October 21, 2026 and Clock Buddy on October 19, 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.*