Fidro alternatives

Tools that do what Fidro does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from Fidro.

Read 2026-10-20 · Fidro itself: Free plan · From $29/mo

With a free plan or free to use: LayerCall, Kaidn, Lumo by Proton, TruthScan, Brave, Scamwise, Email List Validation, Stytch AI.

10 alternativesUnlike Fidro

#1
LayerCall Developer tools MCP · open
API that scores signups, IPs, emails, phones, domains and devices for fraud risk in a single call.
Costs moreOwn MCP server
436
Active
From $49/mo
#2
Kaidn Developer tools
Checks signups, logins and payouts for fraud through one API call, returning a verdict and a plain-language reason.
Costs moreMore widely used
18
Active
From $39/mo
#3
Lumo by Proton Security
Provides encrypted email, calendar, cloud storage, password manager and VPN under one Proton account, with the Lumo chat assistant as an add-on.
Also: Chat assistantMore widely used
3.4M
Active
Free plan
2014
#4
Abnormal Security Security
Detects and blocks email attacks, account takeovers, and identity threats using behavioral analysis.
More widely used
31k
Active
2018
#5
TruthScan Security MCP · sign-in
Detects AI-generated and manipulated images and PDFs in real time via API to prevent fraud in claims, returns, and document verification.
More widely used
20.3k
Active
From $24/mo
#6
Brave Security
Browser that blocks ads and trackers, encrypts connections with built-in VPN, and includes private search.
CheaperMore widely used
1.4M
Active
From $3/mo
2015
#7
Firefox Security
Blocks trackers by default in a web browser and moves bookmarks, passwords and history between devices.
More widely used
1.2M
Active
2002
#8
Scamwise Security
Analyzes suspicious messages, emails, links, and images to detect scam signals and provide verdicts.
More widely used
130k
Active
Free
#9
Email List Validation Security MCP · open
Verifies email lists for deliverability, flagging invalid, risky and role-based addresses, spam traps and complainers, then exports cleaned segments.
CheaperOwn MCP server
156
Active
From $14/mo
#10
Stytch AI Security
Provides authentication, authorization and fraud detection APIs and SDKs for web apps, mobile apps and AI agents.
More widely used
23k
Active
Free plan

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How this list is made: the words Fidro is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.