# Bluclock vs Vesper Sky

The clearest difference is in-app purchases: Bluclock at none against Vesper Sky's 3. Bluclock also leads on iOS requirement (10.0 vs 16.4). Vesper Sky's advantage is update cadence (monthly vs every 56 months). On price, ads and device support there is nothing between them.

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

Bluclock ships an update every 56 months, Vesper Sky monthly. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Bluclock | Vesper Sky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/bluclock/id1494444965/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 56 months | **Monthly** |
| Monetization | Free | — |
| Size | 8 MB | 126 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ADSMART TECHNOLOGY LIMITED](https://appshunter.io/developer/1217365227) | [iSimplifyMe LLC](https://appshunter.io/developer/1887111241) |

## What reviewers say

### Bluclock

[App page](https://appshunter.io/ios/app/bluclock/id1494444965)

This app provides a 5-day weather forecast including wind direction, temperature, and air quality. It also allows for the management of Bluetooth smart clock devices, setting alarms, and configuring global time zones. Additionally, it can read temperature and humidity data from connected smart clocks.

**Highlights:** 5-day weather forecast, Bluetooth smart clock management, Alarm setting, Global time zone configuration, Temperature and humidity reading

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

**In-app purchases:** none


### Vesper Sky

[App page](https://appshunter.io/ios/app/vesper-sky/id6762069223)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vesper | $2.99 | per month |
| Vesper Annual | $24.99 | per year |
| Vesper Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Bluclock free?

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

### Is Vesper Sky free?

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

### Do Bluclock or Vesper Sky have ads?

Neither Bluclock nor Vesper Sky shows ads.

### Which is updated more often, Bluclock or Vesper Sky?

Bluclock ships an update every 56 months, and Vesper Sky monthly. Most recently, Bluclock was updated on October 7, 2026 and Vesper Sky on October 2, 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.*