Showing Verify vs C21 One21
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Showing Verify
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.
- Simplifies buyer contracts
- Automates agent compensation communication
- Streamlines showing processes
- Designed for real estate professionals
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The app is intended to be used by any real estate agent: Goal #1: Simplifies buyer contracts associated with showings Goal #2: Automate the process of communicating buyer agent compensation to real estate professionals Terms of Use (EULA): https://www.showingverify.com/_files/ugd/410b22_b40dc15818c84c70b2d58c402d746c11.pdf
C21 One21
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Century 21 One21 2026 Welcome to the official event app for One21 — your all-access pass to the ultimate C21 experience! Designed exclusively for registered attendees, this app puts everything you need for the event right at your fingertips. Plan Your Experience Explore the full event schedule, customize your agenda, and stay up to date with real-time updates. Navigate with Ease Maps help you find your way around the venue, sessions, and key locations. Update your profile and connect with other attendees and start networking before you even arrive on-site! Note: This app is intended for registered One21 attendees only.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 July 20, 2026 and September 20, 2026 respectively.
| Parameter | Showing Verify | C21 One21 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 73 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | CaveOrCastle | Century 21 Real Estate, LLC |
In-app purchases
Showing Verify
- Professional Silver$12.001 Month
- Professional Gold$15.001 Month
- Professional Silver$98.001 Year
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- Professional Gold$144.991 Year
C21 One21
No in-app purchases
Questions
Is Showing Verify free?
Is C21 One21 free?
Do Showing Verify or C21 One21 have ads?
Which is updated more often, Showing Verify or C21 One21?
Other comparisons
