# Tiiime vs Atomic Clock

The clearest difference is in-app purchases: Tiiime at none against Atomic Clock's 2. Tiiime also leads on update cadence (every 3 days vs every 6 weeks) and rating (5.0 vs 4.8). Atomic Clock's advantage is ratings volume (4 vs 1). On price and device support there is nothing between them.

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

Tiiime holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Tiiime ships an update every 3 days, Atomic Clock every 6 weeks. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Tiiime | Atomic Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tiiime-tiny-clock-widgets/id1612950527/reviews)** | [4.8 (4 ratings)](https://appshunter.io/ios/app/atomic-clock-precision-time/id6760377377/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 9 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lei Jin](https://appshunter.io/developer/1291501757) | [家宝 戴](https://appshunter.io/developer/1826395838) |

## What reviewers say

### Tiiime

[App page](https://appshunter.io/ios/app/tiiime-tiny-clock-widgets/id1612950527)

This free app offers a minimalist clock experience with essential features like an always-on display and dark/light mode support. It's designed for a peaceful, ad-free experience, even on older devices.

**Highlights:** Always-On Screen, Dark/Light Mode Support, Minimalist Design, Ad-Free Experience, Compatible with Old Devices

**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, displaying precise time with millisecond detail. It allows comparison with network time, shows sync offset and latency, and offers various clock styles with customization options. It's designed for users needing a reliable, precise reference clock.

**Highlights:** NTP-based time synchronization, Millisecond time detail, Local time and UTC display, Device offset and network latency indicators, Automatic sync, Multiple clock styles, Customizable colors and night mode

**Features:** macOS Compatibility, Vision Pro 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 Tiiime free?

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

### Is Atomic Clock free?

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

### Which has better reviews, Tiiime or Atomic Clock?

Tiiime is rated higher. Tiiime averages 5.0 out of 5 from 1 ratings, while Atomic Clock averages 4.8 from 4 ratings.

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

Tiiime ships an update every 3 days, and Atomic Clock every 6 weeks. Most recently, Tiiime was updated on October 4, 2026 and Atomic Clock on October 6, 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.*