Task Master vs 確率ジェネ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Task Master
Organize your day with a to-do list and integrated timer. Input your deadline, tasks, and estimated times to track your progress and identify free time. Archive tasks for later use and monitor your schedule with convenient home and lock screen widgets.
- Deadline-based task scheduling
- Task progress tracking
- Time estimation for tasks
- Task archiving
- Home and Lock Screen widgets
- Free time calculation
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Task Master combines a to-do list and a timer. First, input the time when you want all of your tasks done by. Next, input all of your tasks and how long you think each will take. Then, Task Master uses the current time to calculate how far ahead or behind you are. You can also save tasks for another day by archiving them. Use the Home Screen and Lock Screen widgets to keep track of your tasks without having to open the app! This app is great for figuring out how much free time you have and helps you schedule your day so you can get everything done.
確率ジェネ
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"Probability Calc" is a tool that calculates chances in lotteries, gacha pulls, and draws using statistical models. Main features • Hypergeometric distribution: chance of drawing hits • Cumulative binomial distribution: chance of k hits in n trials • Simple input with instant results Recommended uses • Estimate gacha pulls needed • Pack-opening hit simulation • Campaign win-rate check • Game design and learning Privacy No login needed. All data stays on your device. Ads are minimal.
Screenshots
Verdict
The clearest difference is ads: Task Master at none against 確率ジェネ's shown. Task Master also leads on update cadence (monthly vs every 3 months). 確率ジェネ's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Task Master ships an update monthly, 確率ジェネ every 3 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | Task Master | 確率ジェネ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | — |
| Positive reviews | 72.7% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 37 MB |
| Age rating | 4+ | +4 |
| Developer | Nolan Mathews | ryuichi hayashida |
In-app purchases
Task Master
No in-app purchases
確率ジェネ
No in-app purchases
