Comparison

YiDa vs ProttoBau

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Network security
  • IP address protection
  • One-click connection
  • Practical tools
  • 24/7 customer service
Features
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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

About

ProttoBau

Features
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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

YiDa3 screens
ProttoBau3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. YiDa sells 8 one-off in-app purchases. ProttoBau asks for nothing beyond the download.

UpkeepUpdate frequency

YiDa ships an update every 5 weeks, ProttoBau fortnightly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
YiDa versus ProttoBau: the parameters behind the verdict, then further details
ParameterYiDaProttoBau
PriceFreeFree
Rating4.3 (166 ratings) — better—
Positive reviews63.2% of reviews—
Number of ratings166 — better—
Update frequencyEvery 5 weeksFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size50 MB41 MB
Age rating17+4+
DeveloperBarham Architects, LLCVCA Virtual Catalogue Applications UG (haftungsbeschrankt)

In-app purchases

8 purchases

YiDa

One-time8
  • 7 days VIP$1.89
  • 7 days SVIP$2.89
  • 1 month VIP$4.39
Show 5 more
  • 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
None

ProttoBau

No in-app purchases

Questions

Is YiDa free?
YiDa is free to download, with in-app purchases available.
Is ProttoBau free?
ProttoBau is free to download, with no in-app purchases.
Do YiDa or ProttoBau have ads?
Neither YiDa nor ProttoBau shows ads.
Which is updated more often, YiDa or ProttoBau?
YiDa ships an update every 5 weeks, and ProttoBau fortnightly. Most recently, YiDa was updated on October 30, 2026 and ProttoBau on October 24, 2026.

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