Arbitrium vs GRIT Habit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Arbitrium
This app assists in making rational decisions by allowing you to define criteria and rate your options. It uses a weighted decision matrix to help you identify the best choice for various life scenarios.
- Define decision criteria
- Rate available options
- Weighted decision matrix
- Identify best choice
- Save and manage decisions
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We often have to take decisions. Arbitrium is an app that will help you take the right one in a simple and rational way. Establish the criteria you need to consider and then rate each option you have available. The option with the highest score will be the best one. Arbitrium is based on the weighted decision matrix concept and will help you take decisions such as: Which car should I buy? Which bank should I choose for a mortgage? Where should I go on vacation? Which job offer should I accept? Which nursery should I choose for my child?
GRIT Habit
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Build Better Habits. Stay Focused. Take Control. This app is your all-in-one habit and focus tracker—designed to help you create routines, boost productivity, and stay motivated without burnout. Whether you want to form positive habits, eliminate distractions, or master deep work, this app gives you the tools to stay consistent and in control. HABIT TRACKING MADE EFFORTLESS Create fully customizable habits with flexible goals - Set daily or weekly reminders with specific targets (e.g., “Drink water 3x a day”) - Get smart notifications delivered at the right time - Edit habits anytime to match your lifestyle - Stay motivated with streak calendars, progress charts, and daily checklists STAY FOCUSED WITH SMART SESSIONS - Launch deep work or mindful break sessions in one tap - Personalize each session for studying, reading, working, or unwinding - Use built-in timers to stay in rhythm and avoid burnout - Track your focus trends and build momentum over time PRIVACY YOU CAN TRUST Your data stays 100% on your device. No sign-ups. No cloud. No tracking. Just you, your goals, and your progress. With a clean, minimal interface and science-backed design, this app helps you: - Stay consistent - Build momentum - Take control of your time—one focused day at a time SUBSCRIPTION Unlock full access with a 30-day or annual subscription. No free content is available without a subscription. Terms of use: https://appstoreconnect.apple.com/apps/6748471606/distribution/reviewsubmissions/details/2df46ecc-1e5c-42fa-91dc-bb9202bcfa97
Screenshots
Verdict
The clearest difference is update cadence: GRIT Habit at every 4 days against Arbitrium's every 28 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Arbitrium sells 1 one-off in-app purchase and GRIT Habit sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
Arbitrium ships an update every 28 months, GRIT Habit every 4 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.
| Parameter | Arbitrium | GRIT Habit |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (11 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 28 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 8 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | The Lost Project | Caleb Orhomre |
In-app purchases
Arbitrium
- PRO Mode$0.99
GRIT Habit
- 30 Days$9.991 Month
- 12 Months$59.991 Year
