HamClock is a reference utility for amateur radio operators providing UTC timekeeping and grid square tracking on iOS and Android.
Product velocity
Maintenance
Daily rank 🇺🇸
#74
Reference · paid
Sentiment
3.7
766k reviews
Nemesis
Fragmented field
The App DNA
What makes this app unique?
Operators hire HamClock to manage time-sensitive field operations and shack equipment, as standard clocks lack the radio-specific grid square and UTC data required for the hobby.
For Amateur radio operators who require precise timekeeping and location data for field operation or shack management.
What does it look like?
Key features
Interactive map displays current grid square and gray line for any location
Dual-format clock showing 12H, 24H, and UTC time on a single screen
Displays grid square and location data on wearable devices
How much does it cost?
Paid model anchored at $0.99, targeting a specific niche of amateur radio operators.
Velocity
Maintenance developmentUX improvementsplatform expansionShow more...
HamClock shows a maintenance-level development cadence, with only one release in the last 26 months. The latest release occurred on March 31, 2026, following a significant gap since early 2024. Development appears sporadic rather than continuous, with no evidence of live-ops or recurring content cycles. The current release pattern suggests a focus on occasional platform-specific design updates rather than active feature expansion.
Who built it?
User Sentiment
What do users think recently?
Fresh user feedback skews frustrated. Users appreciate all-in-one utility combining alarm, timer, and stopwatch functions provides significant daily convenience, but report unreliable alarm triggering post-update causes missed schedules and significant user frustration.
How are ratings & reviews evolving?
What users say, by theme
- All-in-one utility combining alarm, timer, and stopwatch functions provides significant daily convenience
- Unreliable alarm triggering post-update causes missed schedules and significant user frustration
66 of 66 recent reviews analyzed · high confidence · Frustrated overall
Read the full review analysisUnlock 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for HamClock
How's the Reference market?
HamClock maintains a niche presence in the Reference category, currently holding the #59 Paid slot in the US. The gap between its specialized utility and the platform-native clock reliability creates a defensive vulnerability.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for HamClock
Where is it heading?
Users report: The amateur radio reference market is consolidating around tools that offer high-fidelity data, and HamClock's recent reliability issues leave it exposed to more stable competitors. The PM must address the alarm trigger failures immediately to prevent further erosion of the user base.
- Alarm reliability failures in the latest update drive negative sentiment, which increases churn risk among daily users.
- Recent updates focused on stability rather than feature expansion, signaling a defensive posture in the current release cycle.
The SWOT
- Grid square map functions as a category-specific distribution barrier for radio operators
- Analog clock face customization for traditionalist power users
Next best moves
Rebuild alarm trigger logic because reliability failures are the top complaint → restore user trust
+ 1 more prioritized moveThe counter-intuitive read
The app's niche focus is its greatest risk…
Read the full takeFeature gaps
Live satellite tracking (available in Satellite Tracker by Star Walk but absent here)
Since the last report: The app shifted to a freemium pricing model and experienced a decline in sentiment due to core reliability issues with alarm triggers.
Bottom line
HamClock provides essential radio-specific data, but the recent alarm reliability failures threaten its core utility, so the PM must prioritize stability over new features to prevent user churn.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeReport last updated