# IdeaBox vs Data21

The clearest difference is update cadence: Data21 at every 5 days against IdeaBox's fortnightly. IdeaBox's advantage is iOS requirement (13.0 vs 26.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IdeaBox ships an update fortnightly, Data21 every 5 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | IdeaBox | Data21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/data21/id1350287433/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | — | Free |
| Size | 49 MB | 34 MB |
| Requires iOS | **13.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Profitmark LLC](https://appshunter.io/developer/1305887597) | [Alexandre Alves da Costa](https://appshunter.io/developer/1111954461) |

## What reviewers say

### IdeaBox

[App page](https://appshunter.io/ios/app/ideabox-trademark-search/id1305887598)

**Features:** macOS Compatibility

**In-app purchases:** none


### Data21

[App page](https://appshunter.io/ios/app/data21/id1350287433)

This application allows users to anonymously mark and collect important data and feedback about their products and businesses. It's designed to help businesses gather insights for investment, sales, and purchasing decisions.

**Highlights:** Anonymous data collection, Product feedback gathering, Business insights, Investment data support, Sales improvement data, Purchasing optimization data

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

**In-app purchases:** none


## Frequently asked questions

### Is IdeaBox free?

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

### Is Data21 free?

Data21 is free to download, with no in-app purchases.

### Do IdeaBox or Data21 have ads?

Neither IdeaBox nor Data21 shows ads.

### Which is updated more often, IdeaBox or Data21?

IdeaBox ships an update fortnightly, and Data21 every 5 days. Most recently, IdeaBox was updated on October 26, 2026 and Data21 on October 24, 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.*