# Plot Spark vs OneDay

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.

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.

## The numbers

| Metric | Plot Spark | OneDay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/oneday-focus-on-todays-todo/id6793025405/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 6 MB | 5 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Tobias Reithmeier](https://appshunter.io/developer/1882860698) | [悠然 廖](https://appshunter.io/developer/6792694147) |

## What reviewers say

### Plot Spark

[App page](https://appshunter.io/ios/app/plot-spark/id6760355038)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### OneDay

[App page](https://appshunter.io/ios/app/oneday-focus-on-todays-todo/id6793025405)

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.

**Highlights:** 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

**Features:** Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneDay Pro | $1.99 | one-time |


## Frequently asked questions

### Is Plot Spark free?

Plot Spark is free to download, with no in-app purchases.

### Is OneDay free?

OneDay is free to download, with in-app purchases available.

### Do Plot Spark or OneDay have ads?

Neither Plot Spark nor OneDay shows ads.

### Which is updated more often, Plot Spark or OneDay?

Plot Spark ships an update every 2 months, and OneDay every 5 days. Most recently, Plot Spark was updated on October 31, 2026 and OneDay on November 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*