# CITIZEN Bluetooth Watch vs Primo Lagos

The clearest difference is update cadence: Primo Lagos at every 4 weeks against CITIZEN Bluetooth Watch's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CITIZEN Bluetooth Watch ships an update every 4 months, Primo Lagos every 4 weeks. The most recent releases landed on November 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CITIZEN Bluetooth Watch | Primo Lagos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (12 ratings)](https://appshunter.io/ios/app/citizen-bluetooth-watch/id1068381349/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 18.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 60 MB | 68 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CITIZEN WATCH CO.,LTD](https://appshunter.io/developer/434806605) | [TEKNOVUS LTD](https://appshunter.io/developer/1525569311) |

## What reviewers say

### CITIZEN Bluetooth Watch

[App page](https://appshunter.io/ios/app/citizen-bluetooth-watch/id1068381349)

This app connects your smartphone to compatible Bluetooth watches, offering automatic time synchronization, world time settings, and notifications for calls and messages. It also features alarm setting, a light level indicator for the watch's power, and tools to locate your smartphone or alert you if the connection is lost.

**Highlights:** Automatic time synchronization, World time settings, Call and message notifications, Alarm setting, Light level indicator, Smartphone search function, Link loss alert

**Features:** macOS Compatibility

**In-app purchases:** none


### Primo Lagos

[App page](https://appshunter.io/ios/app/primo-lagos/id6740566630)

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

**In-app purchases:** none


## Frequently asked questions

### Is CITIZEN Bluetooth Watch free?

CITIZEN Bluetooth Watch is free to download, with no in-app purchases.

### Is Primo Lagos free?

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

### Do CITIZEN Bluetooth Watch or Primo Lagos have ads?

Neither CITIZEN Bluetooth Watch nor Primo Lagos shows ads.

### Which is updated more often, CITIZEN Bluetooth Watch or Primo Lagos?

CITIZEN Bluetooth Watch ships an update every 4 months, and Primo Lagos every 4 weeks. Most recently, CITIZEN Bluetooth Watch was updated on November 2, 2026 and Primo Lagos on October 6, 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.*