Comparison

shinsei. vs Inertia

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

shinsei.

Discover your archetype and receive personalized daily actions to understand yourself better. AI insights evolve with your choices, sharpening your profile and revealing what feels true. Built for clarity, agency, and real momentum.

Highlights
  • Discover your archetype
  • Personalized daily actions
  • Explore resonant signals
  • Unlock AI insights
  • Track evolving patterns
  • Sharpen personal profile
Features
Read full description

shinsei helps you understand yourself through action. discover your archetype, get personalized daily actions, explore signals that resonate, and unlock ai insights that evolve with you over time. every choice helps shinsei learn your patterns, sharpen your profile, and surface what feels true for you. built for clarity, agency, and real momentum. terms of use: https://shinsei.app/terms

About

Inertia

This app helps you build consistent habits by setting daily intentions and connecting them to long-term goals. It offers tools to overcome inertia and track your progress privately, without ads or data collection.

Highlights
  • Set daily intentions (Spirit, Mind, Body)
  • Connect habits to long-term goals
  • Track progress with simple views
  • Private journaling for insights
  • Action tools to break inertia
  • No gamification or social feeds
Features
Read full description

Inertia helps you overcome the friction that keeps you stuck—and then ride the momentum you create. Set simple daily intentions across three pillars (Spirit, Mind, Body), connect them to long-term goals, and build habits that stick. Track your progress, journal your reflections, and use quick tools designed to nudge you from intention to action. Inertia - Habit Tracker will never collect nor sell your data. We will never train any models based on your data. We will also never show any ads. You will never be the product. We rely on your support fully. Free Tier  - Set daily intentions Paid Tier (Subscription or Lifetime)  - Daily Intention History - Set long term goals - Track habits - Journal - Break free with premium inertia tools $2.99 per month $19.99 per year or Lifetime access for $39.99 What you can do with Inertia: • Set 3 daily intentions: one each for Spirit, Mind, and Body • Create long-term goals and link the daily habits that move them forward • Track progress over time with clear, simple views • Keep a private journal to capture insights and wins • Use action tools to break through inertia (e.g., guided breathing) Private by design: • No data collected—your entries and activity stay on your device • No ads, no third-party trackers, no invasive analytics • No account required to reflect and plan (when possible) • You control what you write and can clear it anytime Human-centered, anti-addiction: • No gamification: no leaderboards, badges, or streak counters • No social feeds or dopamine loops—just calm focus on what matters • Thoughtful, minimalist design that reduces noise and decision fatigue • Momentum over perfection: start small, keep going, feel the lift Why it works: • Focused: Just three pillars each day—clear, doable, repeatable • Connected: Daily habits ladder up to long-term goals • Momentum-first: Gentle tools help you start; simple tracking helps you continue Whether you’re building a meditation practice, reading more, or moving your body daily, Inertia gives you a simple system to start small, stay consistent, and feel your momentum grow—without sacrificing your privacy or your attention. For support, please contact us at INERTIA@STEMOVATE.COM Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://inertiahabits.com/privacy/

Screenshots

shinsei.4 screens
Inertia4 screens

Verdict

The call

shinsei. and Inertia are too close to call on the numbers: across 6 compared parameters — price, ads, in-app purchases and monetization model among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. shinsei. sells 3 in-app purchases, starting at $2.99 per 7 days and Inertia sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
shinsei. versus Inertia: the parameters behind the verdict, then further details
Parametershinsei.Inertia
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyWeekly—
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size47 MB41 MB
Age rating4+4+
DeveloperTsimafei LaunikKhabeer Salaam

Customer experience

shinsei.

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Inertia

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

shinsei.

Subscriptions3
  • shinsei pro weekly$2.997 Days
  • Pro Monthly$2.991 Month
  • pro yearly$69.991 Year
3 purchases

Inertia

Subscriptions2
  • Inertia - Monthly Subscription7 Days trial$2.991 Month
  • Inertia - Annual Subscription7 Days trial$19.991 Year
One-time1
  • Inertia Lifetime Access$39.99

Questions

Is shinsei. free?
shinsei. is free to download, with in-app purchases available.
Is Inertia free?
Inertia is free to download, with in-app purchases available.
Do shinsei. or Inertia have ads?
Neither shinsei. nor Inertia shows ads.

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