Chroniton vs Bubble Diagram Maker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chroniton
This app helps you track important dates and recurring events, providing reminders for future tasks. It's useful for managing everything from car maintenance and household chores to personal milestones and pet care.
- Event and date tracking
- Customizable categories
- Next due date reminders
- Photo and note attachments
- One-tap date updates
- Email event sharing
- iCloud sync
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Chroniton is an event and date tracker that helps you remember when something was done and reminds you when you need to revisit it again. Use Chroniton to: - Keep track of automotive maintenance (oil changes, when tires were last changed, when next regular service is due, etc) - Track recurring household maintenance needs (furnace/AC filter changes, last gutter cleaning, etc) - Track purchase dates and warranty expiration dates. - Keep lists of significant personal events (last eye exam, last dental cleaning, last check of credit reports, etc) - Remember a history of events for you kids such as the last allowance raise, the last time school portraits were done, etc. - Track pet-related events like vet visits, immunizations, license/tag registrations, etc. - Keep a reminder of important financial dates (when you last paid your annual car insurance premium, date you signed your apartment lease, date you signed your cell phone contract, when you last reviewed your W2 status, etc) - Keep track of any event you want to be able to refer back to! Key Features: - Add photo to events - Add unlimited notes to any event - Define your own categories - Assign a “next due” date to any event (events due soon show a yellow indicator, events past due show a red indicator) - Update an event’s date as “done today” with one tap - Send any event, or your whole list, to an email - Reorder events and categories to see your most important items at the top - Quick-entry buttons to set dates a week, a month, or a year in the future - Easily add or delete events from the main screen - Portrait and landscape views supported on both iPhone and iPad - Use multiple devices with automatic iCloud sync
Bubble Diagram Maker
Create visual diagrams for planning, conceptual thinking, and organization. Easily arrange and customize elements to bring your ideas to life without complex tools. Save and share your creations privately.
- Tap & Drag Creation
- Full Customization (color, size, label)
- Unlimited Diagrams
- Save & Share
- Offline Functionality
- Ad-Free Experience
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A diagram tool that thinks in bubbles instead of straight lines. If you have ever tried to capture a messy idea inside a rigid outline, or fought a flowchart app that demanded structure before you even knew the shape of the problem, this is the calmer alternative. Bubble Diagram Maker is built for architects sketching spatial programs, designers tracing user flows, students mapping concepts, product people roughing out features, researchers organising literature, and anyone who thinks in relationships rather than rows. The philosophy is simple: let the layout follow the thought, not the other way around. No account to create, no sign-in wall, no cloud lock-in pushing your work into someone else's database, and no friction sitting between the moment of insight and the page where it lands. This is a mind mapping app that respects how messy real thinking actually looks before it becomes a finished diagram, and it treats brainstorm sessions as the loose, exploratory work they really are. Open the canvas and start dropping bubbles with labels, colours and sizes that match their weight in your head — the central idea large, supporting nodes smaller, vague hunches smaller still. Connect them with solid, dashed or weighted lines to show how concepts relate, overlap them as a Venn diagram when two ideas share territory, and drag freely until the layout feels right. Templates cover mind map, spatial program, Venn and concept map starting points so you never stare at an empty page, undo and redo work everywhere so experimentation is cheap, and finished diagrams export as PNG, PDF or SVG ready to drop into a presentation, brief, thesis or client deck. Pinch to zoom across a wall-sized canvas, lock individual bubbles when the layout is settled, group related nodes so an entire branch of the mind map moves together, and pull bubbles apart again when the structure changes. Apple Pencil support turns the iPad into a proper visual thinking surface for sketching idea maps, flow diagram drafts and concept maps by hand, with palm rejection that keeps the canvas clean. A quick-add mode lets you brainstorm at speed without leaving the keyboard, colour palettes are tuned for readability rather than decoration, and a focus mode dims everything except the bubble you are currently editing. Diagrams are organised into projects so a thesis, a renovation brief and a product roadmap stay separate without folders fighting you. Search works across every label in every diagram, so a half-remembered concept map from three months ago is one tap away. A thought map view turns a long brainstorm into a clean outline whenever you need to hand the idea to a document, and a presenter mode walks through a diagram one branch at a time when you need to explain it to a room. This diagram maker works fully offline — your data stays on this device, no analytics watching how you brainstorm, no thought map ever leaving your phone or iPad, and no servers in the loop between you and your canvas. The interface ships in 39 languages with full VoiceOver, Dynamic Type and reduced-motion support, the canvas stays calm and quiet, and the whole app is intentionally free of ads, pop-ups and engagement nudges. Whether you are roughing out a floor plan, mapping the chapters of a book, planning a research project, designing a service flow or just trying to get the noise in your head onto a single page, this is a mind mapper built to disappear behind the work and let the idea take the shape it actually wants. A quiet diagram tool for visual thinking, nothing more, nothing pretending to be more.
Screenshots
Verdict
The clearest difference is review sentiment: Chroniton at 100% against Bubble Diagram Maker's 50%. Chroniton also leads on iOS requirement (16.4 vs 18). Bubble Diagram Maker's advantage is update cadence (every 3 weeks vs every 38 months). On price, ads, in-app purchases and monetization model 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.
Chroniton ships an update every 38 months, Bubble Diagram Maker every 3 weeks. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.
| Parameter | Chroniton | Bubble Diagram Maker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.6 (7 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Every 38 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 18 |
| Further details — not scored | ||
| Size | 2 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Driftwood Studio Software LLC | Bahattin Duran |
Customer experience
Chroniton
Bubble Diagram Maker
In-app purchases
Chroniton
No in-app purchases
Bubble Diagram Maker
No in-app purchases









