Binary Clock vs Meridian
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Binary Clock
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A simple, flexible, customizable binary clock app that let's you see time in binary coded decimals.
Meridian
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Meridian is an elegant time zone clock that allows you to view multiple time zones side by side, and scroll through time to find the best slot for a meeting. It's also a great travel companion! Meridian turns complex flight schedules into clear visual timelines. Instantly see: * Flight duration, departure and arrival times in both cities * Local time at your destination * Time back home throughout your journey * Live updates that show when your flight is delayed Built-in flight search means you can find your flight, and add it to your timeline with one tap. Meridian is free to use, with no sign in, no ads, and no data collection. You can manually add events and flights for free, or upgrade to paid to unlock flight search and delay data. Privacy policy: https://www.meridianapp.co/privacy-policy Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Binary Clock at none against Meridian's 2. Meridian's advantage is update cadence (every 2 days vs every 12 months). On price, ads, 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
Both are free to download. Meridian sells 2 in-app purchases, starting at $2.99 per 7 days. Binary Clock asks for nothing beyond the download.
Binary Clock ships an update every 12 months, Meridian every 2 days. The most recent releases landed on October 5, 2026 and October 17, 2026 respectively.
| Parameter | Binary Clock | Meridian |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.2 — better | 17.6 |
| Further details — not scored | ||
| Size | 0 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Sayan Goswami | Tony Onodi |
In-app purchases
Binary Clock
No in-app purchases
Meridian
- Meridian Pro$2.997 Days
- Meridian Pro$14.991 Year
