# The Missing vs 21d Detox Regeneration

The clearest difference is in-app purchases: The Missing at none against 21d Detox Regeneration's 1. 21d Detox Regeneration's advantage is update cadence (monthly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 21d Detox Regeneration sells 1 one-off in-app purchase. The Missing asks for nothing beyond the download.

The Missing ships an update every 5 months, 21d Detox Regeneration monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | The Missing | 21d Detox Regeneration |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/the-missing/id1381186076/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | — |
| Size | 4 MB | 80 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Carey McGhee](https://appshunter.io/developer/1378077151) | [Dror or](https://appshunter.io/developer/1592887495) |

## What reviewers say

### The Missing

[App page](https://appshunter.io/ios/app/the-missing/id1381186076)

This app allows users to search for missing and exploited children in Illinois based on age. You can also search for individual children by name and view their details, along with contact information for relevant authorities.

**Highlights:** Search missing children by age, Search individual children by name, View child details, Contact authorities information, Location-specific search (Illinois)

**Features:** macOS Compatibility

**In-app purchases:** none


### 21d Detox Regeneration

[App page](https://appshunter.io/ios/app/21d-detox-regeneration/id1592887493)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Purchase | $449.99 | one-time |


## Frequently asked questions

### Is The Missing free?

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

### Is 21d Detox Regeneration free?

21d Detox Regeneration is free to download, with in-app purchases available.

### Do The Missing or 21d Detox Regeneration have ads?

Neither The Missing nor 21d Detox Regeneration shows ads.

### Which is updated more often, The Missing or 21d Detox Regeneration?

The Missing ships an update every 5 months, and 21d Detox Regeneration monthly. Most recently, The Missing was updated on November 2, 2026 and 21d Detox Regeneration on November 3, 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.*