# Eliza vs Atomic Clock

The clearest difference is in-app purchases: Eliza at none against Atomic Clock's 2. Eliza also leads on update cadence (every 2 weeks vs every 2 months) and device support (3 vs 1). On price 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. Eliza asks for nothing beyond the download.

Eliza ships an update every 2 weeks, Atomic Clock every 2 months. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Eliza | 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 weeks** | Every 2 months |
| Monetization | — | Freemium |
| Size | 99 MB | 9 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Hypersoft EDV Projektmanagement GmbH](https://appshunter.io/developer/1225872605) | [家宝 戴](https://appshunter.io/developer/1826395838) |

## What reviewers say

### Eliza

[App page](https://appshunter.io/ios/app/eliza/id1361690466)

**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 Eliza free?

Eliza 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 Eliza or Atomic Clock have ads?

Neither Eliza nor Atomic Clock shows ads.

### Which is updated more often, Eliza or Atomic Clock?

Eliza ships an update every 2 weeks, and Atomic Clock every 2 months. Most recently, Eliza was updated on October 26, 2026 and Atomic Clock on November 2, 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.*