# One Task vs Question Diary 365

One Task and Question Diary 365 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. One Task sells 1 one-off in-app purchase and Question Diary 365 sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

One Task ships an update every 4 weeks, Question Diary 365 every 6 weeks. The most recent releases landed on September 18, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | One Task | Question Diary 365 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Size | 1 MB | 126 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KAZUHO MOROFUJI](https://appshunter.io/developer/1862359039) | [Masami Mitsuta](https://appshunter.io/developer/1803880391) |

## What reviewers say

### One Task

[App page](https://appshunter.io/ios/app/one-task-one-focus/id6756692582)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Task Plus | $1.99 | one-time |


### Question Diary 365

[App page](https://appshunter.io/ios/app/question-diary-365/id6777899186)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is One Task free?

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

### Is Question Diary 365 free?

Question Diary 365 is free to download, with in-app purchases available.

### Do One Task or Question Diary 365 have ads?

Neither One Task nor Question Diary 365 shows ads.

### Which is updated more often, One Task or Question Diary 365?

One Task ships an update every 4 weeks, and Question Diary 365 every 6 weeks. Most recently, One Task was updated on September 18, 2026 and Question Diary 365 on September 20, 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.*