picocalc vs Exam Study Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
picocalc
This app displays a single number on your home screen badge, which can be set, added to, or subtracted from. It's a minimalist tool for quick numerical reminders. Negative numbers and zero are not displayed on the badge.
- Set a number
- Add to number
- Subtract from number
- Home screen badge display
- Hides zero and negative numbers
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picocalc is a tiny number memo which can be set, added and subtracted. The number is show as an application badge in the home screen. Zero and a negative number won't be shown in the badge.
Exam Study Timer
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PREMIUM — PURCHASE REQUIRED: All features described below are part of Pro and require a purchase: a weekly or yearly auto-renewing subscription, or a one-time lifetime purchase. Focus Timer - Pomodoro Clock is your ultimate productivity companion, designed to help you stay focused, beat procrastination, and build lasting study habits. Whether you're a student preparing for exams, a professional tackling deep work, or anyone who wants to make the most of their time — this app combines the proven Pomodoro Technique with ambient sounds, detailed statistics, and smart tracking to help you accomplish more in less time. — KEY FEATURES — • Pomodoro Timer: Work in focused intervals (25 min focus, 5 min short break, 15 min long break) with customizable durations. The classic technique that boosts concentration and prevents burnout. • Ambient Sounds: Choose from a curated library of ambient sounds — rain, coffee shop, forest, ocean waves, white noise, and more. Create the perfect focus environment wherever you are. • Focus Sessions: Start deep work sessions with a single tap. Track your active focus time and stay accountable with session-based tracking that logs every minute of productive work. • Statistics & Heatmap: Visualize your productivity with beautiful heatmaps showing your daily focus patterns. See weekly, monthly, and yearly trends at a glance — understand when you're most productive. • Streaks & Motivation: Build momentum with daily focus streaks. Track consecutive days of focused work and stay motivated to maintain your productive habits. • Productivity Charts: Dive deep into your focus data with detailed charts showing focus hours, session counts, and completion rates. Monitor your progress over time with clear visual insights. • Session History: Review every completed focus session with timestamps, durations, and tags. Never lose track of what you've accomplished — your complete productivity journal. • Tags & Categories: Organize your focus sessions with custom tags — study, work, reading, coding, exercise, and more. Filter your statistics by tag to understand where your time goes. • Presets: Save your favorite timer configurations as presets for quick access. Switch between study mode, deep work, quick focus, and custom setups with one tap. • Export Data: Export your complete focus history and statistics as CSV for further analysis. Back up your data or import it into spreadsheets and productivity tools. — WHY FOCUS TIMER? — Staying focused in a world full of distractions is hard. The Pomodoro Technique, developed by Francesco Cirillo, has helped millions of people reclaim their focus by breaking work into manageable intervals with regular breaks. This app takes the proven method and enhances it with ambient sounds for deep focus, visual statistics to track your progress, and smart features to build lasting habits. Whether you're studying for finals, working on a big project, or simply trying to be more productive — everything you need to focus better, work smarter, and accomplish more is right here. — LEGAL — Terms of Use: https://leanstudio.asia/terms-of-use Privacy Policy: https://leanstudio.asia/privacy-policy — SUPPORT — Have questions, feedback, or feature requests? Contact us at: support@leanstudio.asia — GET STARTED — The proven Pomodoro Technique, ambient sounds, visual statistics, and smart tracking — all in one beautiful app. No complicated setup, no distractions — just tap start and focus. Download today and transform the way you work, study, and focus.
Screenshots
Verdict
The clearest difference is ads: Exam Study Timer at none against picocalc's shown. Exam Study Timer also leads on update cadence (every 3 months vs every 16 months). picocalc's advantage is device support (4 vs 1). On price, in-app purchases and iOS requirement 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. picocalc sells 1 one-off in-app purchase and Exam Study Timer sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
picocalc ships an update every 16 months, Exam Study Timer every 3 months. The most recent releases landed on October 31, 2026 and November 7, 2026 respectively.
| Parameter | picocalc | Exam Study Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 65.6% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 16 months | Every 3 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch, Vision Pro — better | iPhone |
| Requires iOS | 17.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Masayuki Akamatsu | LEAN ASIA CO., LTD |
In-app purchases
picocalc
- Remove Ads$0.99
Exam Study Timer
- Premium Weekly Plan$3.997 Days
- Premium Yearly$19.991 Year
- Lifetime$39.99









