StudyTime vs marble work
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StudyTime
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StudyTime is a simple timer app designed to improve study focus and manage learning records. 【Main Features】 Subject-specific Timers Manage timers for each subject — math, English, and more. Simply switch subjects to start tracking. Goal Time Setting Set target study hours per subject. Get notified when you reach your goal. Study Reports View your study time in daily, monthly, and yearly graphs. Visualize your progress at a glance. Exam Countdown Register exam dates to see the remaining days in real time at the top of the screen. Helps keep you motivated. Widget Support Check your current study status anytime from home screen or lock screen widgets. Study Session Management View and manage your past study records in a list. Delete unnecessary sessions as needed. With a simple, easy-to-use design, StudyTime supports an environment where you can focus on studying.
marble work
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Turn tool chaos into marketing harmony. marble work is the workspace where AI agents and people complete the same work together. The agent researches. You review. The agent publishes. Everything stays in one task chain: with visible progress, clear ownership and a complete activity log. And because great AI without solid operations is just another disconnected tool, projects, clients, tasks, project time and work hours are built in. » PEOPLE AND AI IN ONE TASK CHAIN + Combine as many AI and human steps as your workflow needs + Pass results and files automatically to the next step + Pause for review and approval exactly where a person is needed + Restart from a specific step after making changes + Keep previous result versions and every activity in view » AI AGENTS AS REAL TEAM MEMBERS + Give each agent a role, model and clear behavior guidelines + Connect tools and reusable skills + Use shared company knowledge for voice, audiences and processes + See, edit or delete what an agent has learned + Work with the same agents in tasks and direct chat » WORK THAT STARTS ITSELF + Run tasks automatically every day, week or month, or at their due time + Follow every step live and get notified when your input is needed + Create reports, copy, images, video, audio and PDFs inside the task + See upcoming automated runs on your dashboard » COMPLETE PROJECT MANAGEMENT + Organize tasks in a board or list + Manage projects, clients, subtasks, tags and due dates + Use comments, files, assignees and project access controls + Track project time with a timer or manual entries + Set hourly rates, budgets and billable time + Document work hours, breaks, vacation and sick leave + Measure how much people and AI contributed to each project » YOUR TOOLS. ONE SHARED WORKFLOW. Connect your existing tools (e.g., Notion, Google Workspace, Google Analytics, Search Console, Google Ads, ElevenLabs, Higgsfield, LexOffice) and many more. MCP and REST API also makes marble work part of open AI and developer workflows. » YOUR AI ACCOUNT, NO CREDIT CEILING Use your own OpenAI and Anthropic keys. Pay model usage directly to the provider: with no AI markup and no artificial credit limit from marble work. Token usage stays transparent. » OPEN, TRACEABLE AND SECURE marble work is developed and operated in the EU with GDPR-compliant hosting. Built for marketing teams, agencies, businesses and independent professionals ready to move AI from experiments into reliable day-to-day work. Download marble work now for free and bring AI, people and projects into one shared workflow.
Screenshots
Verdict
The clearest difference is update cadence: marble work at every 3 days against StudyTime's monthly. marble work also leads on iOS requirement (17.6 vs 26.0). 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. Neither carries in-app purchases, so what you see is what you pay.
StudyTime ships an update monthly, marble work every 3 days. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.
| Parameter | StudyTime | marble work |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 26.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 11 MB | 73 MB |
| Age rating | 4+ | 12+ |
| Developer | Minato Kure | Ricardo Koehne |
In-app purchases
StudyTime
No in-app purchases
marble work
No in-app purchases









