# OnceOne vs RecallBox

OnceOne and RecallBox 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. OnceOne sells 3 in-app purchases, starting at $0.99 per month and RecallBox sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

OnceOne ships an update weekly, RecallBox every 2 weeks. The most recent releases landed on October 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | OnceOne | RecallBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/recallbox/id6756808310/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 10 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Dongliang Yin](https://appshunter.io/developer/1030365061) | [玉杰 罗](https://appshunter.io/developer/1799696048) |

## 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 |


### RecallBox

[App page](https://appshunter.io/ios/app/recallbox/id6756808310)

This app intelligently organizes screenshots, links, and knowledge into searchable cards. It automatically extracts key information and creates smart to-dos and reminders from your content, helping you manage scattered information efficiently.

**Highlights:** AI-powered knowledge card creation, Automatic screenshot and link import, Smart to-dos and reminders, Full-text search and tag organization, iCloud sync, Screenshot cleanup

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| monthly pro | $2.99 | per month |
| Yearly Pro | $34.99 | per year |
| lifetime pro | $39.99 | one-time |


## Frequently asked questions

### Is OnceOne free?

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

### Is RecallBox free?

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

### Do OnceOne or RecallBox have ads?

Neither OnceOne nor RecallBox shows ads.

### Which is updated more often, OnceOne or RecallBox?

OnceOne ships an update weekly, and RecallBox every 2 weeks. Most recently, OnceOne was updated on October 7, 2026 and RecallBox on October 27, 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.*