# Second vs Enrise

The clearest difference is in-app purchases: Enrise at none against Second's 1. Enrise also leads on ads (none vs shown). Second's advantage is iOS requirement (15.0 vs 17.5). On price, update cadence and device support there is nothing between them.

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

Second ships an update every 4 days, Enrise every 5 days. The most recent releases landed on October 15, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Second | Enrise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/second-sync/id6752860014/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | Free | — |
| Size | 56 MB | 22 MB |
| Requires iOS | **15.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Minjun Kim](https://appshunter.io/developer/1841275054) | [Enrise HVAC Solutions Ltd](https://appshunter.io/developer/1843102964) |

## What reviewers say

### 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 |


### Enrise

[App page](https://appshunter.io/ios/app/enrise/id6753214674)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Second free?

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

### Is Enrise free?

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

### Do Second or Enrise have ads?

Second shows ads; Enrise does not.

### Which is updated more often, Second or Enrise?

Second ships an update every 4 days, and Enrise every 5 days. Most recently, Second was updated on October 15, 2026 and Enrise on September 26, 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.*