Mobile app ad fraud protection for legal services
Fake installs and fraudulent consultation request events on legal app campaigns inflate your cost per qualified lead, corrupt case intake data, and waste budget that should be reaching people who genuinely need legal help.
Trusted by leading brands worldwide
Legal app UA fraud inflates cost per lead and corrupts case intake and consultation quality data
Legal services apps, including platforms offering lawyer matching, consultation booking, document services, and legal advice, operate in a high-CPA environment where each qualified lead represents significant potential revenue per case. This makes them attractive targets for mobile ad fraud, particularly post-install event fraud that simulates consultation requests and case enquiry submissions. Fraudsters running SDK spoofing and device farm operations target legal app campaigns because the CPA payouts for consultation bookings and case intake events are among the highest in the professional services vertical.
The cost of fraudulent leads in legal services extends well beyond the media spend. Legal intake teams that spend time on fraudulent consultation requests or case submissions lose capacity that could be allocated to real clients. In firms where intake is handled by qualified lawyers or supervised professionals, the time cost of processing non-existent enquiries is significant. A legal platform generating fraudulent intake volume through a mobile UA campaign is imposing operational costs on its firm partners and degrading the quality of the referral relationship.
Lead quality verification is also more difficult in legal services than in many other verticals because genuine legal enquiries are often sensitive, confidential, and handled with care before a determination of case viability is made. The additional scrutiny applied to legal leads means that fraudulent enquiries spend longer in the intake pipeline before being identified as invalid, consuming more professional time per fraudulent event than in consumer service categories where invalid leads are more quickly identified.
How Tapper protects legal services advertisers on Mobile
Three steps from connection to clean data, no engineering required.
01
Connect Tapper to your MMP and legal app UA campaigns
Tapper integrates with your MMP and the ad networks running your legal services app install and lead generation campaigns, monitoring all click, install, and enquiry event traffic from day one.
02
Fake installs and simulated consultation events identified
SDK spoofing signatures, device farm cluster analysis, and simulated consultation request and case submission events are flagged in real time before they trigger CPA payouts or enter your intake pipeline.
03
Cost per genuine legal enquiry reflects real client acquisition
With fraudulent installs and simulated events excluded, your cost per qualified lead and case intake data reflect real people seeking legal help. Intake team capacity is directed at genuine enquiries from real potential clients.
Ad fraud in legal services by the numbers
Data from Tapper's platform analysis and published industry research.
28%
Of mobile installs are fraudulent on average
$10B
Lost to mobile ad fraud globally in 2023
40%
Of mobile fraud uses SDK spoofing to simulate post-install events
$3.60
Returned for every $1 invested in mobile fraud protection
How much are you losing to click fraud?
Based on a 21% fraud rate for Legal services on Mobile App. Move the slider to see your estimated monthly loss.
Industry
Legal services
21% fraud rate
Monthly spend
$1,000
Avg. cost per install (CPI) (optional)
Your estimated numbers
Monthly fraud loss
$210
Annual fraud loss
$2,520
Monthly budget recovered with Tapper
$179
Tapper vs MMP Built-in Fraud Protection
See exactly where the gaps are, and why they matter to your legal services campaigns.
SDK spoofing detection
Full session lifecycle behavioural analysis
Device signal matching only
Simulated consultation event detection
Post-install event behavioural scoring
Install-level checks only
Cost-per-lead accuracy
Fraudulent installs excluded from enquiry counts
Fake consultation events inflate lead metrics
Intake pipeline integrity
Only genuine enquiries enter the intake workflow
Fraudulent leads consume intake team capacity
Device farm detection
Cross-device cluster and network analysis
Device ID blacklisting only
Detection speed
Under 3 seconds per click and install event
Post-attribution batch review
Trusted by industry leaders
See how companies are protecting their ad budgets and improving ROI with Tapper.
“Tapper played a key role in improving the efficiency of Du's performance marketing activity by addressing traffic quality issues within campaigns. Following implementation, Du achieved a 13% reduction in CPA and an 8.6% increase in order rate, demonstrating a clear improvement in conversion quality and overall campaign effectiveness.”
Joseph Elbcherrawy
Client Leadership Director, Mindshare, a WPP Media Brand
“During our Tapper trial for INFINITI, we uncovered low-quality traffic that wasn't visible inside the platforms. Removing it delivered a 14% uplift in conversions and an 11.4% reduction in CPA - a meaningful efficiency gain for INFINITI's 2026 growth plans.”
David Barnes
Data & Technology Lead, Omnicom Group
“With Tapper's protection we were able to identify and block invalid clicks in real time. The impact was immediate as our cost per acquisition dropped by 30% and ROAS improved significantly. More importantly, Tapper gives us the confidence that our campaigns are reaching genuine customers, which makes it truly invaluable.”
Dimitris Bakas
Senior Performance Marketing, Public Group
“We started using Tapper to get better visibility on where our clicks were coming from, and ended up cutting wasted spend by over 12%. The performance uplift was clear, and for the first time, we could trust the numbers we were seeing. It's a total game-changer for campaign integrity.”
Stuart Parkin
Director of Operations, Regit
“Tapper's blocking technology purifies our paid media traffic which roughly equates to a 36x return against its subscription costs. It's certainly one of the easiest-to-implement tools in our entire marketing stack.”
Reno Mindemann
Head of Growth, Kama Capital
“We've been using Tapper for over a year now, and it has become a core part of how we run paid media. Invalid traffic was always something we knew existed but couldn't really act on. Tapper changed that. We're now saving up to $50K per year, and on PureSquare specifically, we saw around a 20% decrease in CPA. Based on these results, we decided to roll it out across other ventures under Disrupt as well.”
Nurkan Kirkan
GTM Consultant / Paid Growth, Disrupt.com
Trusted by leading brands worldwide
Frequently asked questions
Everything you need to know about protecting legal services ad spend on Mobile App.
Legal services apps offer high CPA payouts for consultation booking and case submission events because each genuine legal enquiry represents significant potential case revenue. Fraudsters invest in simulating exactly the post-install events that trigger these payouts. The sophistication of the simulation is proportional to the CPA value, which in legal services is higher than most consumer app verticals.
In legal services, intake is often handled by qualified professionals who spend time assessing enquiry viability, potential case merit, and client fit before determining that an enquiry is not viable. When that determination is the result of fraud rather than genuine case ineligibility, the professional time consumed per fraudulent lead is significantly higher than in categories where invalid leads are quickly identified by administrative screening.
Conversion rate from install to consultation request appears lower than it truly is among real users because fraudulent installs that generate fake enquiries inflate the numerator while the installs themselves inflate the denominator without contributing any genuine enquiries. Teams optimising the funnel based on this data may incorrectly conclude that the path from install to enquiry needs redesigning, when the real issue is fraudulent traffic entering at the install stage.
Yes. Tapper monitors all UA campaigns across a legal app regardless of practice area targeting, personal injury, family law, employment, property, immigration, or other categories. Fraud detection operates at the click and install level rather than at the practice area targeting level, so coverage extends across all campaign segments without requiring separate configurations per practice area.
No. Tapper operates at the click, install, and post-install event level through your MMP integration. No client information, case details, confidential communications, or personally identifiable legal data is required or accessed. The integration connects to anonymous device-level attribution signals that are entirely separate from the confidential client data environment of a legal services platform.
Protect other industries on Mobile App
Tapper covers fraud protection for every major vertical on Mobile.
Stop paying for fraud on your legal services campaigns
Book a demo and we will show you exactly what Tapper would block on your account, before you commit to anything.