YiDa vs ProttoBau
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YiDa
Secure your online activity and protect your IP address on any public network. This app offers a one-click connection for ease of use and includes practical tools to enhance efficiency. Real customer service is available 24/7 for support.
- Network security
- IP address protection
- One-click connection
- Practical tools
- 24/7 customer service
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* Ensure your network security Protect your real IP and use it in any open network such as cafes, airports or parks * One-click connection No configuration required, one-click connection, simple and fast * Practical tools Built-in multiple sets of practical tools to help you improve efficiency * Online real customer service, never lose contact 24-hour online service, real customer service and network engineers are here to protect you
ProttoBau
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ProttoBau – Your Construction Assistant ProttoBau is an AI-powered construction assistant designed to simplify on-site documentation and reporting. Built for construction professionals, site managers, and project teams, ProttoBau helps you create structured daily reports, manage defects, document handovers, and track site activity — directly from your mobile device. Turn Voice into Structured Reports Simply speak your site notes and ProttoBau converts them into organized, professional construction reports. Reduce paperwork and focus on managing your project efficiently. Key Features • AI-assisted daily site reports • Voice-to-text construction documentation • Defect tracking and issue reporting • Handover documentation • Site sign-in and sign-out logs • Structured project documentation • Clean and professional report export Built for Real Work on Site ProttoBau is designed for real construction environments. Fast input, structured output, and intuitive workflows help reduce administrative effort while maintaining professional documentation standards. Whether managing a small team or a large construction site, ProttoBau supports efficient reporting and communication. Professional Reporting, Simplified All reports are generated based on user-provided information. AI assists in organizing and formatting documentation to improve clarity and efficiency. ProttoBau supports your workflow — it does not replace professional responsibility or oversight. Secure & Transparent Your data is handled responsibly and securely. Users can request account and data deletion at any time. For more details, please review our Privacy Policy. Who It’s For • Site managers • Construction supervisors • Project managers • Contractors • Construction companies Modern construction requires modern tools. ProttoBau helps you document smarter.
Screenshots
Verdict
The clearest difference is in-app purchases: ProttoBau at none against YiDa's 8. ProttoBau also leads on update cadence (fortnightly vs every 5 weeks). On price, ads, device support and iOS requirement 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. YiDa sells 8 one-off in-app purchases. ProttoBau asks for nothing beyond the download.
YiDa ships an update every 5 weeks, ProttoBau fortnightly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | YiDa | ProttoBau |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (166 ratings) — better | — |
| Positive reviews | 63.2% of reviews | — |
| Number of ratings | 166 — better | — |
| Update frequency | Every 5 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 50 MB | 41 MB |
| Age rating | 17+ | 4+ |
| Developer | Barham Architects, LLC | VCA Virtual Catalogue Applications UG (haftungsbeschrankt) |
In-app purchases
YiDa
- 7 days VIP$1.89
- 7 days SVIP$2.89
- 1 month VIP$4.39
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- 1 month SVIP$6.39
- 3 months VIP$10.49
- 3 months SVIP$14.99
- 12 months VIP$34.99
- 12 months SVIP$49.99
ProttoBau
No in-app purchases









