Real vs Atomic Exact Time
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Real
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Real-Time Atomic Clock This app shows the current time with high accuracy. It uses trusted NTP servers to stay precise. It updates in real time. It does not drift like a phone clock can. You get: • Accurate time based on atomic reference clocks • Automatic syncing with NTP servers • No setup required • Clean and easy display Useful when: • You need exact time for work or travel • You check time across devices • You need a reliable reference clock
Atomic Exact Time
This app precisely calibrates your device's clock against internet time sources, accounting for network delays. It offers a full-screen display with millisecond accuracy, detailed reports on clock deviation, and a precision alarm. Ideal for professionals and enthusiasts requiring exact timing.
- Millisecond accurate clock display
- Device offset status
- Network latency and drift reports
- Precision alarm
- Timecode and markers
- Widgets
- Multiple clock themes
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See your device clock in context with Atomic Exact Time. Compare it with network time sources, view the measured offset and estimated uncertainty, and use a corrected clock display. Start with the free clock and synchronization tools. The free version includes ads. Optional Pro plans remove ads and unlock precision targets, team countdowns, detailed accuracy reports, Theme Studio, timecode and export tools. Prepare a start: choose an exact time or a duration, check calibration and notification permissions, and test the sound before starting. Save, edit, duplicate and reorder your frequent targets. Share a team target through a link or QR code. Each participant uses their own device calibration. Participant attendance and location are not tracked. Use world clocks, Studio Mode, accessibility preferences and a home-screen widget that shows the latest calibration. Choose from 15 interface languages. Timing accuracy depends on network conditions, device behavior and measurement quality. Uncertainty is an estimate, not a guarantee. Keep the app open for the best countdown timing. Background notification delivery depends on the operating system. Available Pro plans and localized prices are supplied by your store. Monthly and yearly subscriptions renew automatically until canceled in store account settings. A lifetime purchase is a single payment when offered. Restore Purchases is available. No app account is required. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Atomic Exact Time at Free against Real's $2.99. Real's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement 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
Atomic Exact Time is free to download; Real costs $2.99 up front. Atomic Exact Time sells 3 in-app purchases, starting at $2.99 per month. Real asks for nothing beyond the download.
Real ships an update every 10 days, Atomic Exact Time every 5 weeks. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.
| Parameter | Real | Atomic Exact Time |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | — | 4.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 10 days — better | Every 5 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Apple TV — better |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 24 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Panupong Sakulsaeng | SUPER KIM KIMYA VE TEKSTIL SANAYI TICARET LIMITED SIRKETI |
In-app purchases
Real
No in-app purchases
Atomic Exact Time
- Atomic Exact Time Pro7 Days trial$2.991 Month
- Pro Yearly$19.991 Year
- Atomic Exact Time Pro$2.99









