PlanToBuild vs Chronos
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PlanToBuild
Streamline construction projects with this mobile app, offering task management, contact organization, and real-time data exchange. It connects your desktop application to your mobile devices, ensuring seamless communication and access to project files from anywhere.
- Task assignment and tracking
- Contact management
- Offline access to project data
- Real-time mobile notifications
- Defect management and tagging
- On-the-go file storage and upload
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PlanToBuild is a project management software aimed at fabricators for simple and clearly organized project management, with direct communication between all the key players involved. The software covers all the areas responsible for the project and allows for digital networking and direct communication with everyone involved in the project. The result is a smooth exchange of data with information being provided in real time that is perfectly tailored to all those involved in the construction industry. The mobile app links your desktop application with your mobile devices for free when you have an account with PlanToBuild. When you upgrade your account online, you will have more features available within your mobile app. The app is available in English and German. For the full experience, allow access to your Camera, Photo Library, Files, and accept Notifications. PlanToBuild Features: Task Management *Assign To Dos to members of your project to improve productivity *Add due dates and status’ the way you see fit *Attach files from your device or from PlanToBuild *Give your projects the power they need to cross the finish line *View upcoming tasks in a calendar to best plan out every day *Filter your To Dos for overdue tasks Contact Management *Get in touch with everyone on your project anywhere you are *Tap the search field to find contacts faster Offline Mode *Access all your information at any time *Create information wherever you are and sync it back to your desktop Mobile Notifications *Link your desktop notifications to your phone *Smart reminders give you information on what is due each day Defect Management *Access your drawings on the go and tag defects that have arisen *Link the defects to elements File Storage *View project files from anywhere, at any time *Upload photos, videos, or other files to PlanToBuild on the go This App has been designed and developed by people working in the construction industry for over 20 years. By taking feedback from project managers, site and field workers, shop managers, consultants, and others in the industry, we have been able to tailor the app to meet their needs. Your feedback, comments, reviews, and ideas help us improve our system and create a more standardized workflow.
Chronos
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Be the architect of time. Turn the dial, set the rhythm that feels right for you. Who said a second has to be a second? In the world you create, may you find your peace. Chronos is not another 25-minute timer. It is a focus clock built on one quiet truth: we all live in our own time. Some of us flow best at midnight. Some find our rhythm in the early morning. We each feel time differently — what feels like a second to you might stretch into a minute for someone else. And all around us, every moment on this planet, life unfolds at its own pace: a bird takes its first flight, a snowball rolls down a hill, a whale grows beneath the waves. To notice this is to find peace. WHAT HAPPENS IN AN HOUR • Twelve living watercolor worlds move with your clock. Watch a whale breach at dawn, mist drift over karst peaks, golden dunes shift in the wind, aurora dance across snow, and the galaxy bloom over midnight. The sun and moon trace real celestial arcs across the sky. • The world responds to you. Brush the screen and wind ripples through the grass. Tap a bird and it banks away. Touch the water and waves spread outward. Every sound is synthesized from pure mathematics — no recordings, no loops, just quiet, living whispers. • Life grows as you work. Eagles court, brood, and hatch their young on the cliffside. Two ships cross the evening sea to meet. Your focus becomes their story. WHEN THE HOUR ENDS It burns. Gently, completely. Then you mark it: one needle, five weights of time, a line if you wish, and your seal. Every hour has its weight. THE FRUITS OF TIME Your history is not a spreadsheet. It is an orchard. Every day is a tree. Every focus session is a fruit. Weekends glow in terracotta. Scroll back through your seasons, and see your time bloom. No account. No ads. No tracking. Your hours belong only to you, and stay only on your phone.
Screenshots
Verdict
The clearest difference is update cadence: Chronos at weekly against PlanToBuild's every 5 weeks. PlanToBuild's advantage is iOS requirement (16.0 vs 18.0). 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.
PlanToBuild ships an update every 5 weeks, Chronos weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | PlanToBuild | Chronos |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 66 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | PlanToBuild GmbH | Archest, LLC |
In-app purchases
PlanToBuild
No in-app purchases
Chronos
No in-app purchases









