Comparison

Tiiime vs Atomic Clock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Tiiime

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
Read full description

Tiiime - the most intuitive and delightful clock app you'll ever use. It's totally FREE and provides you with a PEACEFUL experience. With the beautiful minimal design, we just embed with the most necessary but important features: - Screen Always ON - Support with Dark/Light Mode - Fully Compatible with your Old Devices - No Ads / Notifications Launch the app, connect to the charger, let Tiiime serves you in a silent way!

About

Atomic Clock

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
Read full description

Atomic Clock – Precision Time is a professional precision clock and NTP time synchronization utility for anyone who needs highly accurate time directly on their device. Use reliable network time synchronization to view precise time with millisecond-level detail. Compare your device clock with network time, check sync offset and latency, switch between local time and UTC, and keep the screen on when you need a stable reference clock. Key features: • NTP-based time synchronization • Millisecond or 1/60-second detail • Local time and UTC display • Device offset and network latency indicators • Automatic sync with configurable intervals • Six clock styles: circular dots, analog, minimalist, binary, neon glow, and flip clock • Custom accent colors and multi-color display • Night mode and keep-screen-on option • Privacy-focused: no account, no analytics, no tracking Atomic Clock – Precision Time is built for precise timing, clock drift checks, latency awareness, and a clean daily precision clock. Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Tiiime2 screens
Atomic Clock4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Tiiime versus Atomic Clock: the parameters behind the verdict, then further details
ParameterTiiimeAtomic Clock
PriceFreeFree
Rating5.0 (1 ratings) — better4.8 (4 ratings)
Positive reviews—100.0% of reviews
Number of ratings14 — better
Update frequencyEvery 3 days — betterEvery 6 weeks
Ads—No
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better17.6
Further details — not scored
Size8 MB9 MB
Age rating4+4+
DeveloperLei Jin家宝 戴

Customer experience

Tiiime

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Atomic Clock

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Tiiime

No in-app purchases

2 purchases

Atomic Clock

Subscriptions2
  • AtomicClock Pro Monthly7 Days trial$5.991 Month
  • AtomicClock Pro Monthly7 Days trial$19.991 Year

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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