P.R.E.P. vs Odmaster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
P.R.E.P.
This mobile and web-based solution digitizes emergency plans, making them accessible and updatable in real-time. It helps users meet regulatory requirements and ensures critical information is readily available when needed.
- Digital emergency plans
- Real-time updates
- Mobile accessibility
- Web-based solution
- Customizable plans
- Regulatory compliance
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HAPevolve’s Portable Response Emergency Plan (PREP) moves your emergency plan out of the three-ring binder and puts it at the fingertips of users who need it. This mobile, web-based, customizable, solution allows you to update your plans in real time, meet regulatory requirements, and ensure that users have the information they need immediately.
Odmaster
This application allows users to program various radio models directly from their mobile phones, eliminating the need for a computer. It offers a convenient and portable solution for radio programming and includes a community feature for sharing content and interacting with other users.
- Program radio with mobile phone
- Supports multiple radio models
- Convenient and portable programming
- Community sharing and interaction
- Help Center and direct support
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• Use Odmaster to program your radio faster and easier. Multiple radio models are set in the application. At the same time, you can share interesting content on the community page. Bring you a different experience! • • Program radio • (Tips：this function requires a Bluetooth programmer device) • • Program radio with mobile phone instead of computer easily • • Program radio conveniently, anytime and anywhere • • Program multiple models of radios • • Remote programming radio when you don’t know how to program • • Social function • • Can post something interesting on it • • Give someone a like • • Make comments on others posts • • Help&Support • • If you have any problems during using App, you can find the answers in Help Center, or contact us. • • ► Get some programming information in our YouTube website: • https://www.youtube.com/channel/UCW5VMOpgmTdUQq5ZqyIL2hA/videos • ► Contact detail: E-mail: odmaster@tid-china.com • ► Online manual:https://bit.ly/tidmanual
Screenshots
Verdict
The clearest difference is rating: P.R.E.P. at 5.0 against Odmaster's 3.8. Odmaster's advantage is ratings volume (1.1K vs 1) and update cadence (every 3 weeks vs every 4 months). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
P.R.E.P. holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Odmaster has 1.1K ratings behind it against 1, so its average is the more settled of the two.
P.R.E.P. ships an update every 4 months, Odmaster every 3 weeks. The most recent releases landed on September 15, 2026 and September 27, 2026 respectively.
| Parameter | P.R.E.P. | Odmaster |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.8 (1.1K ratings) |
| Positive reviews | — | 29.1% of reviews |
| Number of ratings | 1 | 1.1K — better |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 26 MB | 96 MB |
| Age rating | 4+ | 17+ |
| Developer | Safeguard Risk Solutions | Guangzhou Billion Leiden Electronic Technology Co., Ltd. |
Customer experience
P.R.E.P.
Odmaster
Bugs and requests
P.R.E.P.
Not enough reviews yet to summarise bugs or requests.
Odmaster
Reported bugs
3 issues- Unable to read or write radio data
- Inconsistent behavior across iOS versions
- Login and account issues
Requested features
3 requests- Support for more radio models
- Ability to save and load custom channel configurations
- Improved user interface and navigation
In-app purchases
P.R.E.P.
No in-app purchases
Odmaster
No in-app purchases
