# Second vs Mafia Guard by VLVD Works

The clearest difference is in-app purchases: Mafia Guard by VLVD Works at none against Second's 1. Mafia Guard by VLVD Works also leads on ads (none vs shown). Second's advantage is iOS requirement (15.0 vs 17.0). 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. Mafia Guard by VLVD Works asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Second | Mafia Guard by VLVD Works |
| --- | --- | --- |
| 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 4 days |
| Monetization | Free | — |
| Size | 56 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Minjun Kim](https://appshunter.io/developer/1841275054) | [LAKSHMI VENKATA DURGA PRASANTH VEMULAPALLI](https://appshunter.io/developer/1875438594) |

## 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 |


### Mafia Guard by VLVD Works

[App page](https://appshunter.io/ios/app/mafia-guard-by-vlvd-works/id6813191444)

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

**In-app purchases:** none


## Frequently asked questions

### Is Second free?

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

### Is Mafia Guard by VLVD Works free?

Mafia Guard by VLVD Works is free to download, with no in-app purchases.

### Do Second or Mafia Guard by VLVD Works have ads?

Second shows ads; Mafia Guard by VLVD Works does not.

### Which is updated more often, Second or Mafia Guard by VLVD Works?

Second ships an update every 4 days, and Mafia Guard by VLVD Works every 4 days. Most recently, Second was updated on October 25, 2026 and Mafia Guard by VLVD Works on October 14, 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.*