Simple Days Until

Simple Days Until

By naoya takamura

Simple Days Until is a minimalist countdown utility for iOS that tracks deadlines, recurring periods, and birthdays.

The App DNA

What makes this app unique?

Users choose Simple Days Until to remove the cognitive friction of managing events in a full-featured calendar application.

For Users seeking a simple, visual way to track deadlines, milestones, and recurring dates without the complexity of a full calendar app.

What does it look like?

Key features

Event Countdown Typesstandard

Calculates time remaining for deadlines, recurring periods, or birthdays with specific age tracking. Free tier limits users to four events; Pro tier unlocks unlimited tracking.

Home Screen Widgetsstandard

Displays countdown events in small, medium, and large sizes. Paid-gate restricts access to all widget sizes.

Customization Palettestandard

Provides 36 icons and 13 colors for event personalization. Pro tier locks 8 extra event colors and 8 extra app themes.

Data Exportedge

Allows users to export event data in CSV and JSON formats. Restricted to the Pro tier to target power users.

How much does it cost?

freemiumFree tier limited to 4 eventsPro tier at $0.49 one-time purchase

The one-time $0.49 purchase model avoids recurring subscription costs, which serves as a differentiator against subscription-heavy productivity apps.

Velocity

Maintenance developmentmonetizationperformanceShow more...

Simple Days Until has been in a maintenance phase for the last 142 days, with only one release recorded in the analyzed window. The latest version focused on introducing a Pro in-app purchase tier alongside minor stability improvements. Development activity is currently minimal, with no evidence of ongoing feature expansion or live operations. The app remains in a state of low-frequency updates typical of a finished product.

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Who built it?

naoya takamura

1 app tracked · Lifestyle

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
0.00 · 0

Not enough recent reviews to extract reliable themes yet.

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Competition

Competitive landscape for Simple Days Until

How's the Lifestyle market?

Simple Days Until occupies a niche in the Lifestyle category, focusing on simplicity over feature density. The current $0.49 one-time pricing model positions the app as a low-friction utility for casual users.

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The rivals identified

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The Analyst's Read

Key takeaways for Simple Days Until

Where is it heading?

The market for simple countdown utilities is increasingly crowded by integrated calendar features. Simple Days Until remains advantaged by its privacy-focused, one-time purchase model, but the long update cadence leaves it vulnerable to feature-rich competitors.

  • The maintenance-only release cadence suggests Simple Days Until is a stable utility rather than an aggressive growth play.
  • The one-time purchase model remains a strong differentiator against subscription-heavy productivity rivals, appealing to cost-conscious users.

The SWOT

Core Strengths
  • Minimalist design reduces cognitive load
  • One-time purchase model lowers entry barrier
Critical Frictions 2 weaknesses inside
Growth Levers
  • iCloud sync for multi-device support
  • Shared-event links for viral growth
Market Threats 1 threat identified

Next best moves

1 Invest · 1 Maintain

Ship iCloud sync because data portability is a top request for single-purpose utilities → increase retention

+ 1 more prioritized move

The counter-intuitive read

The lack of a subscription model is a risk: without recurring revenue…

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Bottom line

Simple Days Until provides a clean, low-cost utility for milestone tracking, but the lack of recent feature updates risks stagnation. Prioritizing data persistence would solidify the app's value for users who currently view it as a secondary tool.

Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.

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FAQ

Is Simple Days Until free to use?
Yes, Simple Days Until offers a free tier limited to four events. A one-time $0.49 purchase unlocks unlimited events, extra themes, and advanced widget sizes.
Does Simple Days Until require a subscription?
No, Simple Days Until uses a one-time purchase model. Once you buy the Pro features, you keep them forever without recurring fees.
How does Simple Days Until compare to a standard calendar app?
Simple Days Until is a lightweight utility focused specifically on countdowns and milestones. It lacks the complex scheduling and meeting management features found in standard calendar apps, making it more intuitive for simple deadline tracking.
What are the alternatives to Simple Days Until?
Users can consider standard calendar apps like Apple Calendar or Google Calendar, which include basic event tracking, or other dedicated countdown apps available on the App Store.

Sources

  1. [1] App Store

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 Simple Days Until, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Simple Days Until Intelligence Report.” Updated Oct 21, 2026. https://marlvel.ai/apps/simple-days-until

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