# 数智德银 vs Atomic Clock

The clearest difference is in-app purchases: 数智德银 at none against Atomic Clock's 2. 数智德银 also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.6). On price, update cadence and ads there is nothing between them.

Both are free to download. Atomic Clock sells 2 in-app purchases, starting at $5.99 per month. 数智德银 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 数智德银 | Atomic Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (7 ratings)](https://appshunter.io/ios/app/atomic-clock-precision-time/id6760377377/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Freemium |
| Size | 262 MB | 9 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Deewin Tianxia Co., Ltd](https://appshunter.io/developer/1822228690) | [家宝 戴](https://appshunter.io/developer/1826395838) |

## What reviewers say

### 数智德银

[App page](https://appshunter.io/ios/app/id6755291488)

**Features:** macOS Compatibility

**In-app purchases:** none


### Atomic Clock

[App page](https://appshunter.io/ios/app/atomic-clock-precision-time/id6760377377)

This utility provides highly accurate time synchronization using NTP. View precise time with millisecond detail, compare your device clock to network time, and customize display styles. It's privacy-focused with no tracking or analytics.

**Highlights:** NTP-based time synchronization, Millisecond detail, Local time and UTC display, Offset and latency indicators, Automatic sync, Eight clock styles, Customizable colors, Privacy-focused

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AtomicClock Pro Monthly | $5.99 | per month |
| AtomicClock Pro Monthly | $19.99 | per year |


## Frequently asked questions

### Is 数智德银 free?

数智德银 is free to download, with no in-app purchases.

### Is Atomic Clock free?

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

### Do 数智德银 or Atomic Clock have ads?

Neither 数智德银 nor Atomic Clock shows ads.

### Which is updated more often, 数智德银 or Atomic Clock?

数智德银 ships an update every 2 months, and Atomic Clock every 2 months. Most recently, 数智德银 was updated on October 30, 2026 and Atomic Clock on November 5, 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.*