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SIGNL4 - Mobile Alerting vs its rivals

Side-by-side comparison against SIGNL4 - Mobile Alerting's closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

SIGNL4 - Mobile Alerting
This App
Block Apps - Oltalox
Nemesis
Algerie Calendrier 2026
Peer
WidgetCal-Calendar Widget
Peer
Cat Calendar：Schedule Planner
Peer
Yandex Calendar
Peer
Kickserv Field Service
Peer
Smokeball
Peer
CalendarBridge
Peer
EchoDrive
Peer
Core Identity
DeveloperDerdack GmbHFoxfortMobileJatisari Inovasi StudioYunaSoft Inc.Nicole CatDirect Cursus Computer Systems Trading LLCKickserv, Inc.SmokeballCal Bridge IncEcho Global Logistics
CategoryProductivityProductivityProductivityProductivityProductivityProductivityBusinessBusinessProductivityBusiness
PlatformiOSiOSAndroidiOSiOSiOS, AndroidiOS, AndroidiOS, AndroidiOS, AndroidiOS, Android
Store Metrics
Rating4.5 / 54.5 / 54.6 / 53.6 / 54.7 / 53.4 / 53.6 / 53.2 / 54.5 / 54.5 / 5
Ratings Count149194621,4371052435437627
PriceFreeFreeFreeFree$0.49FreeFreeFreeFreeFree
Release DateSep 21, 2017Oct 6, 2023May 18, 2022Nov 5, 2014Nov 16, 2023Mar 5, 2025Jun 21, 2014Apr 6, 2020Oct 22, 2025Mar 27, 2017
Last UpdatedApr 29, 2026May 5, 2026Apr 6, 2026Apr 11, 2026Apr 13, 2026Apr 14, 2026Mar 13, 2026Apr 15, 2026Feb 25, 2026Oct 3, 2025
Sentiment & Reviews
Sentimentpositive--negative---mixed-mixed
Score75/100--25/100---50/100-50/100
Praises
  • Visual design and simple interface make mobile alerting feel accessible and fun for users
  • Webhook functionality enables effective two-way communication with existing technical monitoring systems
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  • Visual calendar widget design provides a clear overview of daily schedules for long-term users
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Complaints
  • Unexpected session logouts cause critical alerts to be missed by mobile users
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  • Aggressive full-screen advertisements interrupt core scheduling workflows and frustrate long-term paying users
  • Critical data loss events erase years of saved calendar entries without user intervention
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  • Android instability
Requests
  • Dedicated application support for Apple Watch to improve alert visibility
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  • One-time purchase option to remove advertisements instead of recurring subscription models
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Strategic Intel
Strengths
  • 150+ third-party integrations create high switching costs for enterprise IT stacks
  • Automated escalation logic provides measurable downtime reduction for industrial clients
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  • High-density widget layouts provide faster glanceable access than full-featured competitors
  • Regional lunar calendar support secures niche user segments
  • Feline-themed gamification creates a unique emotional hook for casual users
  • Minimalist UX reduces friction for non-professional productivity needs
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  • Digital signature capture enables immediate job-site billing
  • QuickBooks integration creates high switching costs
  • 20,000+ automated forms library functions as a B2B distribution moat into legal partnerships
  • Patented privacy technology ensures automatic, secure updates across accounts
  • Unified dashboard reduces switching friction for multi-calendar users
  • Direct integration with Echo Global Logistics 3PL brokerage capacity
  • Load-specific interface tailored for professional drivers
Weaknesses
  • Persistent session logout issues erode trust in critical emergency alerting
  • Lack of native wearable support limits utility for field technicians
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  • Unskippable full-screen ads interrupt core scheduling workflows
  • Critical data loss events after OS updates
  • Widget rendering failures on modern operating systems
  • One-time $0.49 purchase model limits recurring revenue for development
  • Lack of cloud-sync capabilities compared to professional-grade competitors
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  • 0.7★ Android-iOS rating gap
  • No cloud-save functionality
  • 0.52★ Android-iOS rating gap indicates a neglected mobile user experience
  • Android rating (3.22) lags significantly behind iOS (4.5)
  • Limited task-management features compared to power-user rivals
  • 1.91-star rating gap between iOS and Android
  • Lack of automated data entry features
  • No recent feature additions
Pricingsubscriptionfreemiumfreesubscriptionpaidfreesubscriptionsubscriptionsubscriptionfree
MomentumMaintenance--IntenseMaintenance-MaintenanceMaintenanceMaintenanceMaintenance
Update Cadence1 versions, 1 majors/6mo--5 versions1 versions-2 versions, ~1d avg2 versions, 1 majors/6mo, ~29d avg2 versions, ~16d avg2 versions, ~9d avg

Compare SIGNL4 - Mobile Alerting 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 SIGNL4 - Mobile Alerting, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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