ToDoSphere vs BigWrite Markdown
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ToDoSphere
Visualize your day as a collection of spheres, where size represents task duration. This app helps you see if your schedule fits at a glance, allowing easy rearrangement and categorization. It offers insights into your time usage and planning habits.
- Task visualization as spheres
- Time capacity bar
- Drag-and-drop task arrangement
- Color-coded categories
- Task templates
- Daily planning reminder
- Time usage analytics
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ToDoSphere turns your day into something you can see. Every task is a sphere, and its size is the time it takes. A two-hour block is large. A ten-minute errand is small. Put them on one screen and you stop guessing whether your day fits — you can simply look at it. REBUILT FROM THE GROUND UP This version is a complete rewrite. The app opens faster, moves more smoothly, and holds up under a real workload. The idea has not changed. How well it works has. SEE WHAT ACTUALLY FITS A capacity bar shows planned time against the length of your day, so an over-booked day announces itself before you live through it. Set your own day length — nine hours is a default, not a rule. PLAN BY MOVING THINGS AROUND Drag spheres to arrange your day. Push one to the edge to send it to yesterday or tomorrow. Tap a sphere to change its duration, category or notes. COLOUR IS CATEGORY Every sphere takes the colour of its category, always. Rename categories, recolour them, and pick an icon from a wider set — so your day is readable at a glance rather than after reading. KEEP WHAT REPEATS Save a day's tasks as templates and stamp them onto any other day. Mornings that look alike should not be typed out twice. A REMINDER THAT SUITS YOU One daily nudge to plan, at a time you choose, and one switch to turn it off. No stream of alerts for individual tasks. SEE YOUR CONSISTENCY Completed tasks, your planning streak, and where your time actually goes by category — real numbers from your own data, not encouragement invented for you. SIGN IN YOUR WAY Use your email, or sign in with Google or Apple. FREE AND PRO Free covers five tasks a day and one saved template. Pro removes the limits, adds custom categories, and supports the work. Premium is an auto-renewing subscription. Payment is charged to your Apple ID at confirmation of purchase, and renews unless auto-renew is turned off at least 24 hours before the end of the period. Manage or cancel in your account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.todosphere.app/privacy-policy
BigWrite Markdown
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This is the biggest update yet, with loads of new features.
Screenshots
Verdict
The clearest difference is price: ToDoSphere at Free against BigWrite Markdown's $14.99. ToDoSphere also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (14.0 vs 18.2). BigWrite Markdown's advantage is in-app purchases (none vs 2). On ads 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
ToDoSphere is free to download; BigWrite Markdown costs $14.99 up front. ToDoSphere sells 2 in-app purchases, starting at $2.99 per month. BigWrite Markdown asks for nothing beyond the download.
ToDoSphere ships an update fortnightly, BigWrite Markdown every 2 months. The most recent releases landed on October 2, 2026 and October 17, 2026 respectively.
| Parameter | ToDoSphere | BigWrite Markdown |
|---|---|---|
| Price | Free — better | $14.99 |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 14.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 40 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Ubinair | David Johnson |
In-app purchases
ToDoSphere
- ToDoSphere Premium Monthly7 Days trial$2.991 Month
- ToDoSphere Premium Annual14 Days trial$14.991 Year
BigWrite Markdown
No in-app purchases









