# DAY6 Light Band vs Second

DAY6 Light Band and Second both sit at 5.0 stars, but that hides the real split: 89% of Second's written reviews are positive against 35% of DAY6 Light Band's. Second also leads on update cadence (every 4 days vs every 7 months). DAY6 Light Band's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, rating, ratings volume and monetization model there is nothing between them.

Both are free to download. Second sells 1 one-off in-app purchase. DAY6 Light Band asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for DAY6 Light Band against 5.0 for Second. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews are what separate them: 35% of DAY6 Light Band's written reviews are positive against 89% of Second's.

DAY6 Light Band ships an update every 7 months, Second every 4 days. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | DAY6 Light Band | Second |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/day6-light-band/id1545318466/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/second-sync/id6752860014/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | 35.3% of reviews | **88.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 49 MB | 56 MB |
| Requires iOS | **10.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [COCOAENT Co.,Ltd.](https://appshunter.io/developer/1447866490) | [Minjun Kim](https://appshunter.io/developer/1841275054) |

## What reviewers say

### DAY6 Light Band

[App page](https://appshunter.io/ios/app/day6-light-band/id1545318466)

Enhance concert experiences with a smart band that syncs with performances. Register ticket information for automatic color changes and control band effects online for dynamic visual shows. The app also manages band firmware updates.

**Highlights:** Ticket information registration, Automatic color synchronization with stage, Online band control for effects, Band firmware updates, Bluetooth connectivity

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

**In-app purchases:** none


### Second

[App page](https://appshunter.io/ios/app/second-sync/id6752860014)

This utility app provides precise server time synchronization down to milliseconds, crucial for time-sensitive events like registrations and ticketing. It features drift tracking for sustained accuracy and a Picture-in-Picture timer for live monitoring while using other applications.

**Highlights:** Precise server time synchronization, Drift tracking for sustained accuracy, Picture-in-Picture (PiP) timer, Example site shortcuts, Multilingual support

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 초정확 Pro 업그레이드 | $1.99 | one-time |


## Frequently asked questions

### Is DAY6 Light Band free?

DAY6 Light Band is free to download, with no in-app purchases.

### Is Second free?

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

### Which has better reviews, DAY6 Light Band or Second?

DAY6 Light Band and Second are both rated 5.0 out of 5 on the App Store, from 4 and 4 ratings respectively.

### Do DAY6 Light Band or Second have ads?

Second shows ads; DAY6 Light Band does not.

### Which is updated more often, DAY6 Light Band or Second?

DAY6 Light Band ships an update every 7 months, and Second every 4 days. Most recently, DAY6 Light Band was updated on October 7, 2026 and Second on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*