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The Quantified Self vs its rivals

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

The Quantified Self
This App
Quikr
Nemesis
Tallies — Habit Tracker
Peer
習慣充電站－瓦基陪你養成好習慣
Peer
Flourish - Grow your Goals
Peer
Screen Time + AI - ScreenTimer
Peer
Tasklet
New Kid
Cloudyyy
New Kid
Core Identity
DeveloperJared Clifton-LeePaul KastenChristopher DohertyCMoneyHungryai LLCBRIJIT SHEELIADylan EvansMurugan Ambigapathy
CategoryProductivityProductivityProductivityProductivityProductivityProductivityProductivityProductivity
PlatformiOSiOS, AndroidiOSAndroid, iOSiOSiOS, AndroidiOS, AndroidiOS
Store Metrics
Rating0.0 / 50.0 / 55.0 / 54.0 / 54.0 / 54.5 / 50.0 / 50.0 / 5
Ratings Count00114200
PriceFreeFree$2.99FreeFreeFreeFreeFree
Release DateOct 21, 2022Nov 26, 2025Apr 21, 2026Jan 6, 2025Mar 24, 2026Sep 21, 2025Apr 14, 2026Apr 8, 2026
Last UpdatedNov 27, 2023Apr 6, 2026Apr 27, 2026Jan 12, 2026Apr 28, 2026Jan 16, 2026May 3, 2026Apr 8, 2026
Sentiment & Reviews
Sentiment--excellent---negative-
Score--90/100---25/100-
Praises--
  • Minimalist design allows users to track multiple metrics without navigating through cluttered interface layers
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Complaints------
  • Application crashes during the profile update process prevent users from accessing core account features
-
Requests--------
Strategic Intel
Strengths
  • Semantic search retrieval based on meaning reduces journal friction
  • Contextual automation via NFC triggers replaces manual entry
  • Gamified ocean-cleanup metrics create an emotional retention loop
  • Physical NFC tag integration provides a tangible barrier to digital distraction
  • Tactile 'felt-marker' design language creates a distinct brand moat against cold, utilitarian counters.
  • Privacy-first architecture (no-account sync) reduces user onboarding friction.
  • 21-day guided program provides a clear onboarding path
  • Integrated knowledge library increases time-in-app
  • Emotional engagement via living garden metaphor increases daily retention for casual users
  • Lower cognitive load compared to data-heavy habit trackers
  • In-app timer overlay reduces user friction
  • On-device AI enables privacy-first behavior management
  • Proactive blocking disrupts impulsive usage loops
  • Local-only storage architecture appeals to privacy-sensitive users
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Weaknesses
  • Zero documented monetization model limits development velocity
  • No cloud-sync functionality despite user-centric productivity focus
  • No cross-device synchronization
  • Subscription-first pricing exceeds category median
  • Missing Eisenhower Matrix task prioritization
  • One-time purchase model limits long-term R&D funding compared to subscription-based peers.
  • Lack of wearable integration restricts use cases for high-frequency trackers.
  • 0 reviews on Android platform
  • No social accountability features
  • Manual tracking lacks visual motivation
  • Subscription model gates core visual progress features
  • No iCloud sync support
  • Lacks Siri integration for hands-free logging
  • AI Buddy feature requires high-end hardware
  • No cloud-save functionality for cross-device sync
  • Android version lacks feature parity with iOS
  • Profile update crashes block account access
  • No cloud-save functionality
  • 0-star rating baseline
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Pricingfreesubscriptionpaidfreemiumsubscriptionfreemiumfreefree
MomentumZombieMaintenance-Maintenance-MaintenanceMaintenance-
Update Cadence1 versions, 1 majors/6mo2 versions, ~144d avg-2 versions, ~52d avg-2 versions, ~148d avg2 versions, ~9d avg-

Compare The Quantified Self 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 The Quantified Self, 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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