InstAddr vs Push Security
Side-by-side comparison of features, pricing, and ratings
At a glance
| Dimension | InstAddr | Push Security |
|---|---|---|
| Pricing | Free | Freemium (contact for paid plans) |
| Core Function | Disposable email generator | Browser security & AI tool control |
| Key Feature | No-expiry disposable addresses | AiTM phishing detection, AI tool DLP |
| Integrations | None | Okta, Azure AD, Google Workspace, Slack, Splunk, Snowflake |
| Best For | Privacy users avoiding spam | Security teams combating browser-based attacks |
| Deployment | Web service, no install | Cloud-based browser extension |
These tools serve entirely different needs. Push Security is an enterprise-grade browser security platform for stopping AI-powered attacks and controlling AI tool usage, while InstAddr is a simple free tool for generating disposable email addresses. Choose Push if you're a security team fighting advanced phishing and data leaks; pick InstAddr if you just need a throwaway inbox with no expiry.
InstAddr hands you a disposable inbox that never expires — no account, no password, no install, just an address that keeps receiving mail.
Visit Website
Push Security is browser security for the AI era — it stops AiTM phishing, ClickFix attacks, session hijacking and shadow AI inside the
Visit WebsiteWhat real users say: InstAddr vs Push Security
Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.
InstAddr
33 mentions across 3 sources · 45% positive — mixed (averaged across 3 sources)
YouTube, App Store, Bluesky
What users praise
- • Completely free with no sign-up required.
- • Addresses never expire – keep them as long as you need.
- • Minimalist interface: one click to get an address.
- • Multiple addresses per session, switch freely.
What frustrates them
- • Emails often fail to arrive – including OTPs and alerts.
- • Not reliable for anything important (e.g., credit cards).
- • No API key available for automation.
- • No customer support to resolve issues.
Researched Jul 15, 2026
Push Security
30 mentions across 3 sources · 51% positive — mixed (weighted across 3 sources)
Hacker News, YouTube, Lemmy
What users praise
- • Browser-extension delivery means no endpoint agent and no forced enterprise-browser migration
- • Cross-browser coverage including Chromebooks and AI/enterprise browsers
- • Published $5/user/month Standard pricing with self-serve trial lowers evaluation friction
- • Detections target modern browser-layer threats: AiTM, ClickFix, BitB, device-code phishing
What frustrates them
- • Essentially no independent user reviews anywhere in the scraped community data
- • Extension-based security is itself a supply-chain risk that HN commenters flag
- • Clipboard, prompt and file-upload monitoring raises privacy and data-residency objections
- • Autonomous agent deployment of blocks may conflict with change-control processes
Researched Oct 14, 2026
Who should pick which
- Security team at a mid-size companyPick: Push Security
You need to protect against AiTM phishing, session hijacking, and data leaks to AI tools. Push provides visibility and automated response across all browsers.
- Privacy-conscious individualPick: InstAddr
You want a no-expiry disposable email for sign-ups without tracking or ads. InstAddr is free and requires no personal data.
- Identity team hardening MFA adoptionPick: Push Security
Push detects ghost logins and provides in-browser MFA guardrails, helping enforce identity policies.
- QA engineer testing email verificationPick: InstAddr
You need permanent test email addresses for long-running test cycles. InstAddr's addresses never expire.
- SOC analyst hunting browser-based threatsPick: Push Security
Push's agentic threat hunting automates detection using browser telemetry, augmenting your existing tools.
Frequently Asked Questions
InstAddr vs Push Security: which should you choose?
These tools serve entirely different needs. Push Security is an enterprise-grade browser security platform for stopping AI-powered attacks and controlling AI tool usage, while InstAddr is a simple free tool for generating disposable email addresses. Choose Push if you're a security team fighting advanced phishing and data leaks; pick InstAddr if you just need a throwaway inbox with no expiry.
Can Push Security prevent data loss from copy-pasting into ChatGPT?
Yes, Push includes in-browser data loss prevention for AI tools, covering clipboard and file uploads.
Do InstAddr addresses expire?
No, they never expire, unlike typical temporary email services that delete after minutes.
Does Push Security need a proprietary browser?
No, it works as a browser extension on Chrome, Edge, Firefox, Brave, and others.
Can I send emails from InstAddr?
No, InstAddr only receives incoming emails; it cannot send.
What integrations does Push Security support?
It integrates with Okta, Azure AD, Google Workspace, Slack, Splunk, and Snowflake.
Is there a free tier for Push Security?
Yes, Push offers a freemium tier, but details of included features are not public.
Does InstAddr require sign-up?
No, you can create addresses instantly without any registration or personal data.
Can Push Security detect malicious browser extensions?
Yes, it includes malicious browser extension detection and blocking.
More InstAddr or Push Security comparisons
These are not competitors, and you should not shortlist them against each other. Push Security answers a security question — how do you stop browser-based phishing (AiTM, ClickFix, device code, consen
These two don't compete for the same budget, so there's no either/or decision here. Buy Push Security if you're a security or identity team watching AiTM phishing, ClickFix, device-code phishing, and
These two are not competitors and shouldn't be evaluated head-to-head — they solve different problems for different budget owners. If your problem is browser-borne attacks (AiTM reverse proxies, Click
These are not substitutes — they're different layers of a security/ops stack. Buy Datadog if your problem is observability, cloud posture, or AI-workload monitoring across multi-cloud infrastructure;
These are not competitors, so there is no 'either/or' decision here — shortlisting both in one evaluation would be a category mistake. If your problem is browser-delivered credential theft, AiTM rever
There is no buying decision here. Push Security protects browsers from AiTM, ClickFix, device code and consent phishing and gives security teams visibility into shadow AI usage at roughly $5/user/mont
Explore each tool further
Browse these categories
One email a week — new tools, honest comparisons, no spam.
Last reviewed: July 9, 2026