Responder vs REZAP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Responder
This secure messaging app provides a closed user-group communication platform for businesses. It offers features like priority alerts, status updates, and location reporting to enhance worker management and emergency response.
- Secure 2-way closed user group messaging
- Priority alert messaging
- Repeated alerts for missed messages
- Status updates
- Location reporting
- Integration with PageOne Connect/Flare
- API gateway integration
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The Responder App from PageOne offers business users a secure, closed user-group two-way messaging service that fully integrates with PageOne’s Connect/Flare messaging and worker management service. The Responder app supports status and location monitoring to enhance worker management and improve incident or emergency response. Features:- Secure 2-way closed user group messaging and alerting Priority alert messaging option (overrides silent) Repeated alerts for missed priority alerts Status Updates Location Reporting option (auto-disabled when status is Unavailable) Integrates with PageOne Connect/Flare messaging suite Integrates with third-party software systems via PageOne API gateway
REZAP
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This app provides onsite control functionality for the REZAP MODULAR product in order to facilitate fault location on low voltage networks. Note: the app requires an additional login to a proprietary platform.
Screenshots
Verdict
Responder and REZAP 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.
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. Neither carries in-app purchases, so what you see is what you pay.
Responder ships an update every 8 months, REZAP every 13 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.
| Parameter | Responder | REZAP |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 37.5% of reviews | — |
| Update frequency | Every 8 months — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 32 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | PageOne Communications Ltd | CAMLIN LTD |
In-app purchases
Responder
No in-app purchases
REZAP
No in-app purchases
