Underload vs One Line in Time
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Underload
This productivity app helps you focus by displaying only one task at a time from your to-do list. It syncs seamlessly with Apple Reminders, allowing you to manage tasks across all your devices and use familiar voice commands and shortcuts.
- Single task display
- Syncs with Apple Reminders
- Cross-device synchronization
- Supports Siri and Shortcuts
- Linear task progression
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It's all in the title. Do you ever feel overwhelmed by the sheer number of tasks on your to-do list? Adding all your tasks only to be faced with a seemingly endless list can make it hard to get anything done. That's why I created Underload, a to-do list app for iPhone, iPad, and Mac that only shows you one task at a time. You can add all your tasks, but you'll only see the next one you need to tackle. You get a clear, linear path forward, a singular focus. Best part is, it two-way syncs with Apple Reminders, so your tasks sync across all your devices and you can keep using Siri, HomePod, Shortcuts, and whatever other integrations you're used to to manage tasks. Privacy Policy: https://www.underload.app/privacypolicy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
One Line in Time
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A quiet daily journal — one line a day, no streak, no nag. Open the app. Today's text field is one line. Write yesterday's weather, the cafe you went to, the thing your kid said, or one sentence that mattered. Tap done. Tomorrow, another line. Browse back chronologically through the feed, or tap a day on the calendar grid. Full-text search finds any line you've written. At year's end, export any date range as a paginated PDF styled like a paperback — a real keepsake from a quiet habit. New in v1.1: Light, Dark, and Follow-system appearance. Comfortable in any light. What you get - A single text field per day, on iPhone and iPad - Chronological feed and calendar grid for browsing back - Full-text search across every entry you've written - Paperback-styled PDF export, by date range - iCloud sync via your private container — entries live only on your devices - Light, Dark, or Follow-system appearance, picked in Settings The quiet posture - No streaks, no notifications, no analytics, no telemetry - No prompts, no AI suggestions, no mood tags, no auto-titles - No account, no login, no third-party SDKs, no ads - Paid once, kept forever. A line a day, a book in time. Made quietly by sthreelabs.
Screenshots
Verdict
The clearest difference is update cadence: One Line in Time at every 9 days against Underload's monthly. One Line in Time also leads on price ($2.99 vs $4.99). On ads, in-app purchases, device support and iOS requirement 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
Underload costs $4.99 and One Line in Time $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Underload ships an update monthly, One Line in Time every 9 days. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.
| Parameter | Underload | One Line in Time |
|---|---|---|
| Price | $4.99 | $2.99 — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 2 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Anuradha Vellineni | sthreelabs LLC |
In-app purchases
Underload
No in-app purchases
One Line in Time
No in-app purchases









