Todo vs Backlog by Time Engine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Todo
This productivity app helps you manage your tasks with a simple interface and powerful time management tools. Track your progress, set priorities, and gain insights into how you spend your time to boost effectiveness.
- Add and edit tasks
- Set urgent and complex levels
- Start, stop, and complete tasks
- Task progression with timer
- View today's due tasks
- Group tasks
- Performance statistics
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TaskerLab is a simple easy to use to-do list app with powerful time management feature. Providing you better user experience and simple UI is what we are always working hard on. We are focusing on getting things done in effective ways. With time tracking, you know and understand the time spent in each task. This will allow you focus in doing any task. TaskerLab comes with following features: - Add and Edit tasks - Set Urgent level and Complex level to tasks - Start, Stop, Complete tasks - Task progressing with timer - Today's due tasks - Tasks can be grouped - Simple statistics in performance of tasks You can feedback to us if you have any questions or suggestions in the app. Or, contact us via Email: taskerlab@someline.com Crafted with heart by Someline.
Backlog by Time Engine
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Backlog is a time based todo list, add an backlog, add items and subitems to it, associate it with a time amount representing a how much it will take to be done with it. Backlog adds all your items time and show how much workload you have. Simply check and uncheck items, move them to prioritize them or delete them.
Screenshots
Verdict
The clearest difference is update cadence: Backlog by Time Engine at every 3 weeks against Todo's every 7 months. Todo's advantage is device support (3 vs 1) and iOS requirement (10 vs 16.4). On price, ads and in-app purchases 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.
Todo ships an update every 7 months, Backlog by Time Engine every 3 weeks. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.
| Parameter | Todo | Backlog by Time Engine |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 7 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 10 — better | 16.4 |
| Further details — not scored | ||
| Size | 61 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Someline Co., Ltd. | 100-8 Studio |
In-app purchases
Todo
No in-app purchases
Backlog by Time Engine
No in-app purchases
