Stella vs This One Thing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stella
Easily log your work hours with a simple timer. Track time spent on specific tasks, view daily summaries, and analyze session breakdowns. Offers features like color-coding, memos, and home screen widgets for efficient time management.
- Task-based time tracking
- Session breakdown with memos
- Daily and total hour calculation
- Color-coded tasks
- Home screen widgets
- Dark mode support
- Manual time input
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Track work hours, keep a clear timesheet, and see exactly where your day went. Stella is a simple personal time tracker for work, shifts, freelance tasks, study sessions, and focused work. Start a task in seconds, stop when you are done, and Stella builds your time log automatically. Review daily totals and individual sessions without complicated setup or messy spreadsheets. Use Stella to: - Track work hours with a simple start and stop timer - Keep a timesheet and time log organized by task - Review daily totals from the calendar - See every session's start time, stop time, and duration - Add notes to sessions - Organize tasks with color coding - View Home Screen widgets and Live Activities - See daily charts by task - Add or edit time manually when you forget to start the timer - Access stats and longer history with premium - Sync your data with iCloud using premium Whether you are recording a shift, tracking freelance hours, studying, or staying accountable during deep work, Stella gives you a straightforward record of how you spent your time. Privacy Policy: https://sites.google.com/view/stella-privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
This One Thing
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The productivity problem you've never heard of: Every todo app shows you everything. Your brain sees the list and freezes. Psychologists call it "choice paralysis." We call it Tuesday. This One Thing: Single Task; ADHD Focus Todo Productivity solves the opposite problem: not how to organize your tasks, but how to hide them. Here's how it works: Add unlimited tasks (your brain needs to capture everything) See exactly ONE task at a time (your eyes need to focus on THIS ONE THING) Complete it to reveal the next (no peeking, no planning, no paralysis) Skip if you must (but it goes to the back of the line) What you won't find here: Priority levels (everything's a priority, which means nothing is) Due dates (artificial urgency is still anxiety) Categories (organizing is procrastinating with extra steps) Collaboration (focus is a solo sport) Gamification (you're not a rat in a maze) What you will find: One task. One screen. One decision. A timer that shows focus time (what you measure, you value) Statistics that matter (streak days, completion count) Design that looks expensive (because restraint is luxury) The behavioral economics: Rory Sutherland, vice chairman of Ogilvy, says the best solutions solve the problem backwards. Instead of "how do I get more done?" ask "what stops me from starting?" The answer: seeing everything stops you from doing anything. THIS ONE THING makes the limitation into the feature. You can't see task #2 until task #1 is done. Not because we're mean, but because your brain works better that way. Who this is for: People with 50+ tasks who complete zero Anyone who reorganizes their todo list instead of doing it Humans who overthink, overplan, and underexecute Those who know that "just start" works but can't make themselves start Who this isn't for: People who need to see the big picture (this app deliberately hides it) Teams (there's no sharing, no sync, no collaboration) Planners (there's no calendar, no projects, no someday/maybe) This app makes your life harder in exactly one way: you can't avoid the next task by looking at other tasks. No escaping into "planning." No comfort of "I'll do that other thing first." Just you and THIS. Every time. Most apps try to make work easier. This one makes avoidance harder. That's worth $4.99. Privacy: Your tasks live on your device. No account, no cloud, no tracking. We don't know what you're doing, and we don't want to. RESOURCES: • Privacy Policy: https://pragmathema.com/#this • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Stella at Free against This One Thing's $4.99. Stella also leads on iOS requirement (16.1 vs 26.0). This One Thing's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence 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
Stella is free to download; This One Thing costs $4.99 up front. Stella sells 3 in-app purchases, starting at $2.99 per month. This One Thing asks for nothing beyond the download.
Stella ships an update every 3 weeks, This One Thing every 6 weeks. The most recent releases landed on October 23, 2026 and October 17, 2026 respectively.
| Parameter | Stella | This One Thing |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.3 (27 ratings) — better | — |
| Positive reviews | 76.7% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Every 3 weeks — better | Every 6 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 17 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Jordan Holland | Nikola Knezevic |
In-app purchases
Stella
- Stella Premium$2.991 Month
- Stella Premium7 Days trial$14.991 Year
- Stella Premium$29.99
This One Thing
No in-app purchases









