# Klapklok vs Surya Time

The clearest difference is price: Klapklok at Free against Surya Time's $0.99. Klapklok also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Surya Time's advantage is update cadence (every 2 days vs monthly). On ads, in-app purchases and monetization model there is nothing between them.

Klapklok is free to download; Surya Time costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Klapklok ships an update monthly, Surya Time every 2 days. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Klapklok | Surya Time |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/klapklok/id6738840401/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free | Free |
| Size | 4 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Miniot B.V.](https://appshunter.io/developer/1782527973) | [Max Schleining](https://appshunter.io/developer/6779640826) |

## What reviewers say

### Klapklok

[App page](https://appshunter.io/ios/app/klapklok/id6738840401)

Interface with a smart device via Bluetooth to set its time and cycle through various demo modes. Users can also draw custom images directly on the device's display and save them for later recall.

**Highlights:** Bluetooth interface, Set device time, Cycle through demo modes, Draw on display, Save and recall images

**Features:** macOS Compatibility

**In-app purchases:** none


### Surya Time

[App page](https://appshunter.io/ios/app/surya-time-sun-clock/id6804929118)

This app redefines time by tracking the sun's position relative to your local horizon. It divides daylight into natural hours, showing your progress through the day and accounting for your actual skyline. Features include a vantage map for extended sunsets and offline functionality.

**Highlights:** Daylight-based time division, Actual skyline visualization, Vantage Map for extended sunsets, Offline functionality, Home and lock screen widgets, True local solar noon, Sky pointer for sun/moon location

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

**In-app purchases:** none


## Frequently asked questions

### Is Klapklok free?

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

### Is Surya Time free?

Surya Time costs $0.99, with no in-app purchases.

### Do Klapklok or Surya Time have ads?

Neither Klapklok nor Surya Time shows ads.

### Which is updated more often, Klapklok or Surya Time?

Klapklok ships an update monthly, and Surya Time every 2 days. Most recently, Klapklok was updated on October 20, 2026 and Surya Time on October 24, 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.*