HamClock vs its rivals

Side-by-side comparison against HamClock's closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

HamClock
This App
Clock
New Kid
Core Identity
DeveloperBen SinclairApplicate LtdSimulation Curriculum Corp.Vito Technology Inc.Fifth Star Labs LLCGoogle LLCCornell University
CategoryReferenceReferenceReferenceReferenceReferenceToolsReference
PlatformAndroid, iOSiOS, AndroidiOSiOS, AndroidAndroid, iOSAndroid, iOSAndroid, iOS
Store Metrics
Rating3.0 / 54.8 / 54.7 / 54.6 / 54.8 / 52.5 / 54.9 / 5
Ratings Count2469717,61768,562361,72517,865107,645
PriceUSD0.99$8.99$2.99FreeFreeFreeFree
Release DateJan 9, 2010Dec 20, 2008Dec 22, 2017Sep 28, 2017May 6, 2013Oct 25, 2021Dec 11, 2013
Last UpdatedFeb 6, 2024Mar 12, 2026Mar 27, 2026Nov 25, 2025May 11, 2026Dec 12, 2025Apr 7, 2026
Sentiment & Reviews
Sentimentnegativepositivenegativemixed-negativepositive
Score35/10075/10035/10048/100-35/10075/100
Praises
  • All-in-one utility combining alarm, timer, and stopwatch functions provides significant daily convenience
  • Aviation professionals rely on the app for quick pre-flight briefings and weather data access
  • Educational value of the night sky mapping features for casual stargazing and astrophotography planning
  • Content Quality and Accuracy
-
  • Simple and functional clock interface provides reliable timekeeping for daily routines
  • Medication reminder utility helps users manage health schedules for family members
  • Audio identification technology provides accurate and educational birding experiences for users of all skill levels
Complaints
  • Unreliable alarm triggering post-update causes missed schedules and significant user frustration
  • Inconsistent NOTAM and weather data retrieval creates significant friction for flight planning workflows
  • Aggressive paywalling of features previously expected to be included in the initial purchase price
  • Aggressive Monetization
  • Excessive Advertising
-
  • Alarm reliability issues post-update cause missed wake-up calls and daily frustration
  • Complex and unintuitive interface changes following the latest update hinder basic navigation
  • Forced integration of unwanted news and routines disrupts the core alarm experience
  • Removal of automatic recording saves following the latest update causes significant data loss for field users
Requests
  • Customizable analog clock faces with second hands and full numerical displays
  • Integration of live weather radar would consolidate essential flight planning tools into one interface
  • Transparent communication regarding feature availability to prevent misleading purchase expectations
--
  • Customizable light mode option requested to improve visibility and accessibility for users
  • Hourly chime feature with custom sound support requested for time management
  • Home screen widget for timers requested to improve quick access and visibility
  • Restoration of automatic recording save functionality as a configurable setting for power users
Strategic Intel
Strengths
  • Grid square map functions as a category-specific distribution barrier for radio operators
  • Offline caching for 48 hours functions as a critical reliability moat for cockpit use
  • Document Packs enable B2B distribution into flight operator crew workflows
  • Telescope control integration functions as a B2B distribution barrier into hardware-specific astronomy workflows
  • 3D Orbit Mode visualization provides a high-fidelity brand moat against basic star-charting tools
  • OneSky community data creates network effects that increase time-in-app for observation planning
  • Star Walk brand pedigree
  • Immersive 3D 'Fly-with-satellite' view
  • High accuracy and large satellite database
  • Native OpenGL ES rendering engine provides professional-grade responsiveness
  • Offline-first architecture captures the backcountry segment
  • Editors' Choice badge across five markets sustains organic install velocity
  • System-level Android integration replaces default assistant on hardware-mapped triggers
  • Zero-cost, ad-free utility environment sustains high install volume
  • eBird database integration provides unmatched scientific credibility
  • Non-profit status builds high user trust
  • Offline regional packs ensure utility in remote field conditions
Weaknesses
  • Unreliable alarm triggering post-update erodes core utility
  • Complex setup flows increase user friction
  • Inconsistent third-party data retrieval creates high-friction flight planning failures
  • Lack of unit customization forces manual conversion for international operations
  • Premium tier at $49.99 is significantly above the category median for casual reference apps
  • Technical instability including black screen bugs on standard devices erodes the core utility
  • Confusing multi-tier upselling creates a 0.7★ sentiment drag among long-term users
  • Aggressive ad frequency in free tier
  • Misleading 'free' messaging in store
  • Subscription gating of basic features
  • Zero IAP or subscription model limits long-term revenue
  • No cloud-save functionality despite user demand
  • Android-iOS rating gap on majority Android base
  • Alarm reliability failures post-update
  • 0.7★ Android-iOS rating gap
  • Intrusive UI changes following the latest update
  • Removal of automatic recording saves creates data-loss risk
  • Inconsistent account sign-in
  • Technical instability post-update
Pricingfreemiumfreemiumpaidsubscriptionfreefreefree
MomentumMaintenanceIntenseIntense-ActiveMaintenanceActive
Update Cadence5 versions, 3 majors/6mo, ~526d avg5 versions5 versions-5 versions, 2 majors/6mo, ~27d avg2 versions, 1 majors/6mo, ~109d avg4 versions, 2 majors/6mo, ~7d avg

Compare HamClock head-to-head

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by HamClock, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Data licensed under CC-BY-NC 4.0