Inertium Habit Tracker vs Task Optimist
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Inertium Habit Tracker
Track daily habits with a simple, elegant interface. Log notes, sync across devices, and monitor your progress. This open-source app prioritizes privacy and offers a focused, ad-free experience.
- Daily habit tracking
- Note-taking
- Cross-device sync
- Progress logging
- Elegant UI
- Open-source
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Inertium app lets you track your daily habits (e.g. Meditation, Lifts, Cardio) in simple and elegant User Interface. Take notes, sync across devices and keep a log of your progress. Fully functional, 100% test covered and privacy-first, Inertium is an open-source mobile app that "does one thing and does it well.". Inertium is, and will always remain free of ads or paid-features.
Task Optimist
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Task Optimist is a different but powerful and simple project management tool. You input your tasks, deadlines, times and priorities. Task Optimist intelligently curates your agenda. If something takes longer than expected, Task Optimist automatically reschedules your remaining tasks. If a new task comes in, Task Optimist finds the best place for it in your schedule. If a deadline changes, Task Optimist adjusts your plan accordingly. Key features: Smart Scheduling – Tasks are automatically placed into your calendar so you never miss a deadline. Gantt Charts – Visualise your projects with dependencies, milestones, and progress tracking. Flexible Task Management – Create, edit, and organise tasks and priorities. Dependencies – Link tasks together so your workflow follows real-world order. Clean macOS Experience – Designed for focus and productivity on your Mac. Task Optimist is built for makers, freelancers, and teams who want to get more done without drowning in complexity. It gives you clarity, focus, and the peace of mind that your schedule is always optimised.
Screenshots
Verdict
The clearest difference is update cadence: Inertium Habit Tracker at weekly against Task Optimist's monthly. 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.
Inertium Habit Tracker ships an update weekly, Task Optimist monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | Inertium Habit Tracker | Task Optimist |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Weekly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 32 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Monad Engineering Ltd | Adrian Hill |
In-app purchases
Inertium Habit Tracker
No in-app purchases
Task Optimist
No in-app purchases
Questions
Is Inertium Habit Tracker free?
Is Task Optimist free?
Do Inertium Habit Tracker or Task Optimist have ads?
Which is updated more often, Inertium Habit Tracker or Task Optimist?
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