# Showing Verify vs C21 One21

The clearest difference is in-app purchases: C21 One21 at none against Showing Verify's 4. Showing Verify's advantage is update cadence (every 6 weeks vs every 3 months) and iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Showing Verify sells 4 in-app purchases, starting at $12.00 per month. C21 One21 asks for nothing beyond the download.

Showing Verify ships an update every 6 weeks, C21 One21 every 3 months. The most recent releases landed on September 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Showing Verify | C21 One21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/showing-verify/id6503449982/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Subscription | — |
| Size | 73 MB | 69 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CaveOrCastle](https://appshunter.io/developer/1530950359) | [Century 21 Real Estate, LLC](https://appshunter.io/developer/371112830) |

## What reviewers say

### Showing Verify

[App page](https://appshunter.io/ios/app/showing-verify/id6503449982)

This app streamlines the process for real estate agents by simplifying buyer contracts for showings. It automates communication regarding buyer agent compensation to other real estate professionals.

**Highlights:** Simplifies buyer contracts, Automates agent compensation communication, Streamlines showing processes, Designed for real estate professionals

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Silver | $12.00 | per month |
| Professional Gold | $15.00 | per month |
| Professional Silver | $98.00 | per year |
| Professional Gold | $144.99 | per year |


### C21 One21

[App page](https://appshunter.io/ios/app/c21-one21/id6760855095)

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

**In-app purchases:** none


## Frequently asked questions

### Is Showing Verify free?

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

### Is C21 One21 free?

C21 One21 is free to download, with no in-app purchases.

### Do Showing Verify or C21 One21 have ads?

Neither Showing Verify nor C21 One21 shows ads.

### Which is updated more often, Showing Verify or C21 One21?

Showing Verify ships an update every 6 weeks, and C21 One21 every 3 months. Most recently, Showing Verify was updated on September 26, 2026 and C21 One21 on October 25, 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.*