# Tasks by Time Left vs Oneカレンダー

The clearest difference is in-app purchases: Oneカレンダー at none against Tasks by Time Left's 9. Oneカレンダー also leads on ads (none vs shown) and iOS requirement (16.2 vs 18.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Tasks by Time Left sells 9 in-app purchases, starting at $1.99 per month. Oneカレンダー asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Tasks by Time Left | Oneカレンダー |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tasks-by-time-left-1440task/id1640161652/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 65.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 68 MB | 5 MB |
| Requires iOS | 18.6 | **16.2** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kota Suzuki](https://appshunter.io/developer/1621032637) | [keigo kozuka](https://appshunter.io/developer/1629004610) |

## What reviewers say

### Tasks by Time Left

[App page](https://appshunter.io/ios/app/tasks-by-time-left-1440task/id1640161652)

This app helps you manage your daily tasks by visualizing time limits and focusing on immediate goals. It encourages realistic goal setting and habit formation by resetting incomplete tasks daily and displaying only urgent items. Break free from procrastination and make the most of your 1,440 minutes.

**Highlights:** Real-time remaining time display, No carry-over to next day rule, Display only immediate tasks, Simplified task management, Visualizing time limits, Maximizing focus

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PremiumPlan | $1.99 | per month |
| Donate | $0.49 | one-time |
| Support | $1.99 | one-time |
| プレミアムプラン | $1.99 | one-time |
| Support | $2.99 | one-time |
| Premium | $5.99 | one-time |
| Support | $5.99 | one-time |
| Support | $19.99 | one-time |
| Support | $59.99 | one-time |


### Oneカレンダー

[App page](https://appshunter.io/ios/app/one/id6476656229)

**In-app purchases:** none


## Frequently asked questions

### Is Tasks by Time Left free?

Tasks by Time Left is free to download, with in-app purchases available.

### Is Oneカレンダー free?

Oneカレンダー is free to download, with no in-app purchases.

### Do Tasks by Time Left or Oneカレンダー have ads?

Tasks by Time Left shows ads; Oneカレンダー does not.

### Which is updated more often, Tasks by Time Left or Oneカレンダー?

Tasks by Time Left ships an update every 5 weeks, and Oneカレンダー every 5 weeks. Most recently, Tasks by Time Left was updated on October 13, 2026 and Oneカレンダー on October 7, 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.*