Plot Spark vs OneDay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Plot Spark
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Plot Spark ignites your next idea - with a single roll. Whether you're working on a novel, a short film, a tabletop RPG campaign, or just need a story for tonight: Plot Spark instantly delivers a character, a conflict, and a setting - random, unexpected, and inspiring. HOW IT WORKS Pick a kit, roll the dice - and get a complete story prompt with character, conflict, setting, and a wild twist. Sounds too simple? That's exactly the point. Prefer instant results over a dice animation? Turn the roll animation off and get straight to the prompt. ELEVEN KITS, EVERY GENRE Plot Spark ships with eleven curated kits - from neon-soaked noir and cosmic comedy to high-seas adventure, Cold War espionage, and Victorian hollow-earth expeditions. And you can create your own kits and fill every slot with your own ideas - tuned to exactly the tone you need. JOURNAL & MARKDOWN EXPORT Save every hit straight to your journal. Write notes, develop the idea, or let it simmer - your best prompts won't get lost. Export any entry, or your whole journal, as clean Markdown and keep working in your favorite writing app. FROM SPARK TO GAMEBOOK Your exported prompts are plain Markdown - the same format Story Weaver speaks, our free open-source language for writing branching gamebooks with choices, dice, and fights. Grow a rolled prompt into a full playable adventure: github.com/ComicSans/story-weaver NO SUBSCRIPTION. NO ACCOUNT. Plot Spark needs no internet connection, no login, and no subscription. Your ideas stay on your device. Perfect for: • Novelists and screenwriters • Tabletop RPG game masters • Short story writers • Game designers • Gamebook authors • Anyone who needs a creative spark
OneDay
This app helps you focus on your daily to-do list by separating tasks into what needs immediate attention and what can wait. It offers features like planned dates, automatic task placement, and priority settings to clarify your day.
- Today view for immediate tasks
- Inbox for future/undecided tasks
- Planned dates for task scheduling
- Automatic task placement
- Priority levels for tasks
- Task notes for context
- iCloud sync across Apple devices
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OneDay is an app that focuses only on today's to-do list. What deserves your attention today? OneDay gives every task one of two clear places. What belongs to the present stays in Today. What is undecided or belongs to the future waits in Inbox. Not more management. A clearer today. Key Features • Today See tasks planned for today together with anything overdue. Open OneDay and immediately know what needs your attention now. • Inbox Keep tasks with no Planned Date or with a date in the future. Capture them now and decide when they belong later. • Planned Dates Choose today, tomorrow, or another calendar day. A Planned Date represents when you intend to work on something—not another artificial deadline. • Date Recognition Write a clear date in a title, such as “Submit release notes tomorrow,” and OneDay can recognize its Planned Date when the meaning is unambiguous. An explicitly selected date always takes priority, and recognized date text can be removed from the title automatically. • Automatic Placement Tasks planned for today or earlier appear in Today. Tasks without a date or planned for the future appear in Inbox. There are no complicated projects or lists to maintain. • Priorities Assign High, Medium, Low, or No Priority so the work that matters most naturally rises to the top. • Notes Add context, ideas, or next steps inside a task without forcing everything into its title. • Complete and Restore Complete a task with a tap. Finished tasks are collected into a separate section where they can be reviewed or restored at any time. • Daily Task Reminder Receive one concise summary at a time you choose. OneDay prioritizes the number of overdue tasks; when nothing is overdue, it reports what is still waiting in Inbox. • iCloud Sync Keep tasks consistent across Apple devices running OneDay through your private iCloud database. No separate OneDay account is required. • Optional Notifications Notification permission is requested only when you enable Daily Task Reminder. Every other feature remains available without notifications.
Screenshots
Verdict
The clearest difference is in-app purchases: Plot Spark at none against OneDay's 1. OneDay's advantage is update cadence (every 5 days vs every 2 months). On price, ads, 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
Both are free to download. OneDay sells 1 one-off in-app purchase. Plot Spark asks for nothing beyond the download.
Plot Spark ships an update every 2 months, OneDay every 5 days. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.
| Parameter | Plot Spark | OneDay |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 6 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Tobias Reithmeier | 悠然 廖 |
In-app purchases
Plot Spark
No in-app purchases
OneDay
- OneDay Pro$1.99







