Comparison

Mastery vs Probs

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

Head to head
About

Mastery

Features
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Mastery helps you build discipline through repetition. Track any skill. Log your practice. Watch yourself improve, one rep at a time. Whether you are learning something new, training your body, refining your craft, or building steady habits, Mastery gives you a simple system to return to daily. Progress is not about perfection. It is about showing up. Key Features: โ€ข Track any skill or habit with fast, simple logging โ€ข Level system from 1 to 100 to make growth visible โ€ข Milestone titles from Initiate to Master โ€ข Daily logs with notes to record your practice over time โ€ข Clean design built for focus โ€ข The Dojo: a daily show-up journal for steady, meaningful growth The Dojo is a daily practice space built around consistency, not streaks. A place to show up, reflect, and anchor your training in real action. Each day offers a simple scene and choice rooted in practice: body, mind, and spirit. Build discipline. Track progress. Stay with the work.

About

Probs

Features
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Decide with clarity. Keep it private. Move forward with confidence. Big decisions should not feel overwhelming. This app is your portable reasoning machine, a structured, objective decision engine designed to cut through uncertainty without relying on energy-intensive AI. Whether it is a quick everyday choice or a major life pivot, you get a clear, rational path forward. HOW IT WORKS Choose how you want to begin: 1) Simple Mode Write a short description of your decision and list your options for an instant answer based on your unique decision profile. 2) Guided Decision Builder Or Use a structured tutorial to define your situation: -Career -Financial -Relationship -Project -Lifestyle -Big Purchases -Living Situation Add each option and outline: -Best-case scenario -Worst-case scenario -Impact (financial, personal, practical) -How it feels -Time required -Risk level The app analyzes your decision not just for today, but for how it may unfold months or years from now. WHAT YOU GET -Clear Suggestion -No vague advice. The app calculates and recommends the strongest option based on your inputs. The more decisions, the more accurate it becomes. -Regret and Risk Insight -Understand how each choice relates to future regret, risk exposure, long-term payoff, and sensitivity to change. -Scenario Breakdown -Explore best versus worst case. Adjust variables. See how small changes shift the outcome. -Transparent Reasoning Understand why one option is stronger. See the logic behind the result. -Decision History -Track your decisions over time. Reflect on past choices. Improve your judgment.ย  -Help the app help you by saving your decision choice. WHY IT IS DIFFERENT -No cloud dependency, no Internet needed -No sharing your problem with strangers online -No endless scrolling for opinions -No energy-intensive AI processing -This is structured reasoning: private, efficient, and objective. When decision fatigue sets in, this app gives you a rational alternative to overthinking. PERFECT FOR -Comparing job offers -Making big purchases -Deciding whether to move -Evaluating investments -Navigating relationship crossroads -Choosing between opportunities -When it is just too hard to decide -Stop guessing. -Stop crowdsourcing your life. -Start deciding with clarity. Download now and think better.

Screenshots

Mastery4 screens
Probs4 screens

Verdict

The call

The clearest difference is price: Probs at Free against Mastery's $1.99. Mastery's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Probs is free to download; Mastery costs $1.99 up front. Probs sells 2 in-app purchases, starting at $4.99 per month. Mastery asks for nothing beyond the download.

UpkeepUpdate frequency

Mastery ships an update every 9 days, Probs weekly. The most recent releases landed on September 7, 2026 and September 16, 2026 respectively.

Scorecard2 real differences ยท 4 level
Mastery versus Probs: the parameters behind the verdict, then further details
ParameterMasteryProbs
Price$1.99Free โ€” better
Update frequencyEvery 9 daysWeekly โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS15.115.1
Further details โ€” not scored
Size37 MB44 MB
Age rating4+4+
DeveloperBenny JienCritical Gameplay

In-app purchases

None

Mastery

No in-app purchases

2 purchases

Probs

Subscriptions1
  • Unlimited Monthly$4.991 Month
One-time1
  • Decision Pack$2.99

Questions

Is Mastery free?
Mastery costs $1.99, with no in-app purchases.
Is Probs free?
Probs is free to download, with in-app purchases available.
Do Mastery or Probs have ads?
Neither Mastery nor Probs shows ads.
Which is updated more often, Mastery or Probs?
Mastery ships an update every 9 days, and Probs weekly. Most recently, Mastery was updated on September 7, 2026 and Probs on September 16, 2026.

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