# OnceOne vs Now Block

The clearest difference is in-app purchases: Now Block at none against OnceOne's 3. Now Block also leads on update cadence (every 2 days vs weekly) and iOS requirement (16.2 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. OnceOne sells 3 in-app purchases, starting at $0.99 per month. Now Block asks for nothing beyond the download.

OnceOne ships an update weekly, Now Block every 2 days. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | OnceOne | Now Block |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 3 MB | 1 MB |
| Requires iOS | 18.0 | **16.2** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dongliang Yin](https://appshunter.io/developer/1030365061) | [雯琪 李](https://appshunter.io/developer/1894738911) |

## What reviewers say

### OnceOne

[App page](https://appshunter.io/ios/app/onceone-grouping-to-do-tasks/id6744550176)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro(Monthly) | $0.99 | per month |
| Pro(Annual) | $9.99 | per year |
| Pro(Lifetime) | $24.99 | one-time |


### Now Block

[App page](https://appshunter.io/ios/app/now-block/id6762583880)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OnceOne free?

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

### Is Now Block free?

Now Block is free to download, with no in-app purchases.

### Do OnceOne or Now Block have ads?

Neither OnceOne nor Now Block shows ads.

### Which is updated more often, OnceOne or Now Block?

OnceOne ships an update weekly, and Now Block every 2 days. Most recently, OnceOne was updated on October 7, 2026 and Now Block on October 19, 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.*