Sink: Habit & Event Tracker

Sink: Habit & Event Tracker

By RealizD Pty

Sink is a habit and event tracking utility for iOS that integrates with Siri, Shortcuts, and Google Sheets to manage personal data.

The App DNA

What makes this app unique?

Users open Sink to log daily activities without the friction of manual entry, displacing more complex spreadsheet-based tracking methods.

For Productivity-focused individuals who require granular tracking of habits, expenses, or health metrics with external data portability.

What does it look like?

Key features

Google Sheets Syncedge

Real-time synchronization of tracking data to Google Sheets for external management.

Siri and Shortcuts Integrationedge

Voice-activated tracking and automation triggers for hands-free data entry.

SinkGPT AI Integrationedge

AI-driven analysis of tracked data to identify trends and personal growth insights.

How much does it cost?

freeFree version with all features

Sink is currently offered as a free tool with no visible subscription or IAP gates, limiting its ability to fund ongoing development.

Velocity

Dormant developmentopaqueShow more...

Sink: Habit & Event Tracker has been inactive for 877 days, placing it firmly in the zombie category. The development history shows no signs of recent activity or feature updates. Given the lack of releases for over two years, the app appears to be abandoned by its developer.

See all version history

Who built it?

RealizD Pty

1 app tracked · Productivity

Explore the full publisher profile

User Sentiment

What do users think recently?

Review voice lately leans thrilled. Users appreciate tap-based tracking features allow users to log daily activities without feeling tedious or repetitive and data export functionality provides users with a clear view of their long-term progress and metrics.

How are ratings & reviews evolving?

App Store
4.75 · 8

What users say, by theme

What Users Love
  • Tap-based tracking features allow users to log daily activities without feeling tedious or repetitive
  • Data export functionality provides users with a clear view of their long-term progress and metrics

1 of 1 recent reviews analyzed · limited sample

Read the full review analysis

Competition

Competitive landscape for Sink: Habit & Event Tracker

How's the Productivity market?

Sink holds a 4.75-star rating on the App Store across 8 total ratings. The lack of updates for 878 days places it outside the active competitive set in the Productivity category.

Read the market outlook

The rivals identified

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The Analyst's Read

Key takeaways for Sink: Habit & Event Tracker

Where is it heading?

The habit-tracking category is consolidating around apps with frequent live-ops and subscription-based feature updates. Sink's maintenance-mode status ensures it will lose relevance as users migrate to tools that offer better platform support and consistent feature expansion.

  • The 878-day update gap indicates the developer has abandoned active maintenance, which will eventually lead to breakage on newer iOS versions.
  • The absence of a monetization model prevents the funding of necessary feature parity updates, ensuring the app falls further behind active competitors.

The SWOT

Core Strengths
  • Siri and Shortcuts integration enables hands-free data entry
  • Real-time Google Sheets sync provides external data portability
Critical Frictions 3 weaknesses inside
Growth Levers
  • Implement a premium tier to fund development
  • Introduce cross-platform sync to broaden the user base
Market Threats 2 threats identified

Next best moves

1 Invest

Introduce a subscription tier because the current free-only model lacks revenue to fund development → increase development velocity

The counter-intuitive read

The lack of monetization is Sink's primary weakness, yet its free…

Read the full take

Since the last report: The app's competitive outlook has shifted from stable to declining as the development silence reaches 878 days. The analysis now emphasizes the lack of monetization as a critical barrier to maintaining feature parity with active market rivals.

Bottom line

Sink's reliance on a free-only model without a clear path to revenue leaves it vulnerable to more active, monetized competitors. Transitioning to a sustainable funding model would unlock the resources needed to address the 29-month development silence.

Unlock 3 critical frictions, 2 market threats and the analyst’s take.

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FAQ

Is Sink free to use?
Yes, Sink is currently offered as a free tool with no visible subscription or in-app purchase gates.
Does Sink work with Google Sheets?
Yes, Sink features real-time synchronization of tracking data to Google Sheets for external management.
Is Sink still being updated?
No, Sink has not received a store update in over 870 days, indicating it is currently in maintenance mode.

Sources

  1. [1] App Store, source
  2. [2] Developer website, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Sink: Habit & Event Tracker, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The app's competitive outlook has shifted from stable to declining as the development silence reaches 878 days. The analysis now emphasizes the lack of monetization as a critical barrier to maintaining feature parity with active market rivals.

shifted

Competitive Stance

added

New Threats and Opportunities

Cite this report

Marlvel.ai. “Sink: Habit & Event Tracker Intelligence Report.” Updated Sep 4, 2026. https://marlvel.ai/apps/sink-habit-event-tracker

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