# DoubleHub vs Dopa

The clearest difference is update cadence: Dopa at every 4 days against DoubleHub's every 11 days. DoubleHub's advantage is iOS requirement (17.0 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DoubleHub sells 4 in-app purchases, starting at $2.99 per month and Dopa sells 1 in-app purchase, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

DoubleHub ships an update every 11 days, Dopa every 4 days. The most recent releases landed on October 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | DoubleHub | Dopa |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 4 days** |
| Size | 80 MB | 50 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [naoki shiomichi](https://appshunter.io/developer/1879387430) | [akihiro oga](https://appshunter.io/developer/1885282628) |

## What reviewers say

### DoubleHub

[App page](https://appshunter.io/ios/app/doublehub-1ai/id6761981050)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DoubleHub Plus 月額 | $2.99 | per month |
| DoubleHub プレミアム月額プラン | $7.99 | per month |
| DoubleHub Plus 年額 | $29.99 | per year |
| DoubleHub プレミアム年額プラン | $79.99 | per year |


### Dopa

[App page](https://appshunter.io/ios/app/dopa-writing/id6806509773)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is DoubleHub free?

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

### Is Dopa free?

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

### Do DoubleHub or Dopa have ads?

Neither DoubleHub nor Dopa shows ads.

### Which is updated more often, DoubleHub or Dopa?

DoubleHub ships an update every 11 days, and Dopa every 4 days. Most recently, DoubleHub was updated on October 29, 2026 and Dopa on October 14, 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.*