# VX vs Atomic Sync

The clearest difference is ads: VX at none against Atomic Sync's shown. Atomic Sync's advantage is update cadence (fortnightly vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

VX ships an update every 3 months, Atomic Sync fortnightly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | VX | Atomic Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.5 (2 ratings)](https://appshunter.io/ios/app/atomic-sync-radio-watch-time/id6761634713/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 27 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VeEX Inc](https://appshunter.io/developer/1586679948) | [Serhii Sereda](https://appshunter.io/developer/1887133214) |

## What reviewers say

### VX

[App page](https://appshunter.io/ios/app/vx-rfts/id6737806884)

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

**In-app purchases:** none


### Atomic Sync

[App page](https://appshunter.io/ios/app/atomic-sync-radio-watch-time/id6761634713)

Synchronize your radio-controlled watch using your phone's speaker to emulate atomic time signals. Supports various international time signals and offers smart reminders for regular synchronization. Works offline and prioritizes user privacy.

**Highlights:** Emulates atomic time signals, Supports multiple international time signals, Offline synchronization, Smart reminders for syncing, User-friendly design with dark/light themes, Privacy-focused with no data collection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VX free?

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

### Is Atomic Sync free?

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

### Do VX or Atomic Sync have ads?

Atomic Sync shows ads; VX does not.

### Which is updated more often, VX or Atomic Sync?

VX ships an update every 3 months, and Atomic Sync fortnightly. Most recently, VX was updated on November 4, 2026 and Atomic Sync on October 31, 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.*