Comparison

Atomic Clock PRO vs MatchBox Glass

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

Head to head
About

Atomic Clock PRO

Get the most accurate time from an official atomic clock server. This app automatically detects your time zone and allows custom backgrounds. Easily switch between digital and analog clock displays with a swipe.

Highlights
  • Exact time from atomic clock
  • Automatic time zone recognition
  • Customizable background images
  • Digital and analog clock modes
  • Optional sound alerts
  • Color customization
Features
Read full description

Get accurate time on your iPhone and iPad by syncing with an official atomic clock time server. Download now for free! If you want exact time, a precise time reference, or an easy-to-read clock display, this app is designed for that. It automatically recognizes your time zone, lets you use one of your own photos as the background, and lets you switch between a digital display and a classic analog clock with a simple swipe. It is ideal as a personalized desk clock, a reliable travel companion, an everyday reference clock, or when you need exact time to set a mechanical watch accurately. Overview: - Accurate and precise time synced from an official atomic clock time server - Automatically recognizes your time zone and shows the current local time - Choose digital, analog, or combined analog and digital clock displays - Swipe to switch between clock displays - Resize the digital clock for a larger or smaller display - Includes time (hours, minutes, and seconds), date, and day of the week (optional) - Optional sound every second or every minute - Change clock and background colors - Use your own photos as background images - Choose atomic clock sync or your device's system clock - Option to keep the screen awake while the app is open - Works in portrait and landscape mode - For iPhone and iPad Helpful for: - A personalized desk clock at home or at work - Getting the correct local time while traveling - Setting a mechanical watch accurately - A clear reference clock when you want accurate, easy-to-read time PLEASE NOTE: You can switch between the analog and digital clock by swiping left or right across the clock. Disclaimer: Please note that whilst all reasonable care has been taken to make this application as accurate as possible we can not guarantee 100% accuracy. Standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

MatchBox Glass

This tool precisely measures lip-sync and video timing alignment for broadcast professionals. It helps ensure accurate audio-visual synchronization from camera to studio equipment.

Highlights
  • Precise lip-sync measurement
  • Video to video timing alignment
  • Latency measurement
  • AV sync from camera/mic to analyzer
  • Supports remote production and news gathering
Read full description

MatchBox Glass is an advanced and precise lip-sync measurement tool for the broadcast industry. The Glass app allows precision measurement of lip-sync, video to video timing alignment and latency from the camera lens and mic back to an OB truck or studio equipped with a MatchBox Analyser with Glass licence. MatchBox Glass can in conjunction with a Glass licensed MatchBox Analyser be used to measure: • AV Sync through from camera lens/mic back to analyser • Video to video timing of multiple cameras pointed at the same iPhone/iPad • Absolute video latency in conjunction with a latency licence. MatchBox Glass is ideal for: • Remote Production • OB truck rigging • News gathering

Screenshots

Atomic Clock PRO4 screens
MatchBox Glass3 screens

Verdict

The call

The clearest difference is review sentiment: Atomic Clock PRO at 73% against MatchBox Glass's 0%. Atomic Clock PRO also leads on rating (4.7 vs 2.1) and ratings volume (10K vs 7). MatchBox Glass's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, update cadence 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 PRO sells 2 in-app purchases, starting at $1.99 per month. MatchBox Glass asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Atomic Clock PRO holds the better App Store score, 4.7 against 2.1. That said, the two scores are not equally well evidenced: Atomic Clock PRO has 10K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 73% of Atomic Clock PRO's written reviews are positive against 0% of MatchBox Glass's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 25, 2026 and June 4, 2026 respectively.

Scorecard7 real differences · 3 level
Atomic Clock PRO versus MatchBox Glass: the parameters behind the verdict, then further details
ParameterAtomic Clock PROMatchBox Glass
PriceFreeFree
Rating4.7 (10K ratings) — better2.1 (7 ratings)
Positive reviews72.7% of reviews — better0.0% of reviews
Number of ratings10K — better7
Update frequencyEvery 3 monthsEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size6 MB6 MB
Age rating4+4+
DeveloperBrachmann Online Marketing GmbH & Co. KGHitomi Ltd

Customer experience

Atomic Clock PRO

All ratings10,111 ratings
Positive92.3%
Neutral3.5%
Negative4.2%
Written reviews421 reviews
Positive72.7%
Neutral6.2%
Negative21.1%

MatchBox Glass

All ratings7 ratings
Positive28.6%
Neutral0.0%
Negative71.4%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Atomic Clock PRO

Reported bugs

3 issues
  • Second hand occasionally runs in reverse
  • Digital clock display cuts off on some devices
  • Inconsistent behavior when switching between clock types

Requested features

3 requests
  • Customizable clock face options
  • Ability to set widget on home screen
  • Sync with system clock to automatically update time

MatchBox Glass

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Atomic Clock PRO

Subscriptions1
  • Premium$1.991 Month
One-time1
  • Remove Ads$5.99
None

MatchBox Glass

No in-app purchases

Questions

Is Atomic Clock PRO free?
Atomic Clock PRO is free to download, with in-app purchases available.
Is MatchBox Glass free?
MatchBox Glass is free to download, with no in-app purchases.
Which has better reviews, Atomic Clock PRO or MatchBox Glass?
Atomic Clock PRO is rated higher. Atomic Clock PRO averages 4.7 out of 5 from 10K ratings, while MatchBox Glass averages 2.1 from 7 ratings.
Do Atomic Clock PRO or MatchBox Glass have ads?
Atomic Clock PRO shows ads; MatchBox Glass does not.
Which is updated more often, Atomic Clock PRO or MatchBox Glass?
Atomic Clock PRO ships an update every 3 months, and MatchBox Glass every 3 months. Most recently, Atomic Clock PRO was updated on September 25, 2026 and MatchBox Glass on June 4, 2026.

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