All-In-One Security vs Really Simple Security: Hardening Suites Compared (2026)

All-In-One Security (AIOS) and Really Simple Security both focus heavily on login protection, WordPress hardening and vulnerability reduction rather than positioning themselves primarily as managed malware-cleanup platforms. The main difference is breadth: AIOS exposes a larger security-control surface, while Really Simple Security prioritizes a simpler SSL, hardening and authentication workflow.

Compare	All-In-One Security (AIOS)Free; Personal $44.50 first year for 2 sites; renews $89/year Remove	Really Simple Security$49 first year; renews $69/year for 1 site Remove
Pricing model	Freemium	Freemium
Starting price	Free; Personal $44.50 first year for 2 sites; renews $89/year	$49 first year; renews $69/year for 1 site
Free version	Yes	Yes
Sites included	License count varies by plan; unlimited option available	1 site on Personal; 5 on Professional; 25 on Agency
Lifetime option	No	No
Refund policy	Vendor purchase terms apply	30-day money-back guarantee
Setup level	Intermediate	Beginner-friendly
WordPress.org rating	4.7/5 (1,717)	4.9/5 (8,865)
Active installs	1M+	3M+
Best for	WordPress site owners who want broad login security, hardening, firewall controls, file monitoring, and optional malware scanning in one plugin.	WordPress sites that want lightweight hardening, SSL enforcement, vulnerability awareness, and login protection in one plugin.
Not ideal for	Sites that only need a simple login limiter or teams wanting a fully managed external security service.	Sites primarily looking for managed malware cleanup, deep incident response, or security controls already fully provided by hosting/CDN infrastructure.
Tested version	5.4.10	9.8.3
Last reviewed	2026-09-09	2026-09-09
Features
Web application firewall	Yes Firewall and file-protection controls are available in the free plugin.	Paid plan Really Simple Security Pro includes its WordPress firewall.
Malware scanning	Paid plan Malware scanning is a Premium feature.	No
Malware cleanup / repair	No	No
Vulnerability monitoring	Yes	Yes Pro includes recurring vulnerability management.
Virtual patching / exploit mitigation	No	Limited
Login protection	Yes	Yes Pro bundles login protection controls.
Two-factor authentication	Yes Two-factor authentication is available in the free security feature set.	Yes Two-factor authentication is part of Pro login protection.
Passkey authentication	No	No
Brute-force protection	Yes	Yes Limit Login Attempts is included in Pro login protection.
File integrity / change monitoring	Yes	Paid plan
Country blocking	Paid plan Country blocking requires AIOS Premium.	No Region blocking is part of the paid security feature set.
Security headers / hardening	Yes Security hardening includes visitor/browser protection controls.	Yes Visitor protection/security headers are a Pro feature.
Security / activity logs	Yes	Paid plan
Cloud WAF / edge protection	No	No
Off-server / remote scanning	Limited	No
Hands-on managed cleanup	No	No

Breadth vs simplicity

AIOS includes a long list of configurable protections: login lockout, 2FA, firewall rules, file permissions, database hardening, session controls, spam protection and file-change monitoring. That flexibility is valuable for administrators who want granular control.

Really Simple Security deliberately packages fewer decisions behind a simpler workflow. It combines SSL/HTTPS enforcement, hardening, vulnerability monitoring, login protection and security headers, then adds a Pro firewall and deeper authentication controls.

Malware scanning is not equal

AIOS Premium includes automatic malware scanning and blocklist monitoring. The free plugin does not.

Really Simple Security is not positioned as a full malware scanning/removal product. Pro adds file-change monitoring and vulnerability controls, but a compromised site still needs a dedicated scanner/remediation path.

Login protection and 2FA

Both offer brute-force protection and two-factor authentication. AIOS includes 2FA in free and adds enhanced controls in Premium. Really Simple Security’s stronger authenticator-app and policy features are part of Pro.

Firewall and hardening approach

AIOS exposes PHP/.htaccess firewall rules and many granular WordPress hardening settings. That can be powerful but requires testing to avoid blocking legitimate REST, XML-RPC, checkout or plugin requests.

Really Simple Security Pro uses a more streamlined firewall plus hardening and rate-limiting controls. It is easier to standardize when administrators do not want to tune dozens of individual rules.

Pricing

AIOS Premium currently starts from about $70/year according to its official WordPress.org listing.

Really Simple Security Personal is $49 for the first year and $69 at renewal for one site; Professional is $99 first year for five domains and Agency $199 first year for 25. Discounts shown on the pricing page apply to the first year.

Which is easier to operate safely?

Choose AIOS when granular WordPress hardening and file/database controls are important and the administrator is comfortable reviewing many settings. Choose Really Simple Security when simplicity, SSL, login security and vulnerability management are the priorities.

For either product, enable hardening changes incrementally. A security option is not useful if it breaks password resets, WooCommerce checkout, REST integrations or scheduled tasks.

Hardening plugins should be rolled out like configuration management

Both AIOS and Really Simple Security can change authentication, headers, REST behavior and request handling. Apply changes in a staging environment, record the enabled controls and roll them out consistently. Randomly enabling every available hardening switch is not a security strategy.

For agencies, a smaller approved baseline is easier to support than dozens of per-client variations. Keep a standard policy for 2FA, login attempts, security headers and vulnerability alerts, then add stricter rules only where the application has been tested against them.

Performance and troubleshooting favor predictable baselines

Neither product should be judged only by the number of security toggles. Each additional firewall rule, redirect, login restriction or header can create compatibility edge cases. A smaller tested baseline is usually more maintainable than enabling every feature.

For WooCommerce, membership and API-heavy sites, test login, checkout, webhooks, REST endpoints and scheduled jobs after hardening changes. Keep rollback notes so another administrator can reverse a rule without disabling the whole security plugin.

Neither plugin is a complete incident-response service

AIOS Premium can scan for malware and Really Simple Security can monitor vulnerabilities and file changes, but neither is positioned like a managed cleanup platform. Business sites should keep a separate recovery path: clean backups, a host or security provider that can investigate compromise, and clear ownership of restoration.

Free-tier comparisons favor different site profiles

AIOS Free gives administrators more granular controls to tune, while Really Simple Security Free is easier to deploy as a baseline on ordinary sites. For agencies, the simpler baseline can reduce support time; for technically managed sites, AIOS can expose more of the WordPress attack surface to deliberate policy.

Standardization matters more than the number of toggles

For agencies, the strongest operational advantage often comes from using the same tested baseline across every client site. AIOS offers more granular switches, but that can lead to dozens of slightly different configurations unless the team documents a standard policy. Really Simple Security is easier to standardize because the control surface is narrower. Whichever product is used, define a baseline for login attempts, 2FA, headers, vulnerability alerts and file-change monitoring, then record every exception. Security drift across 50 client sites is harder to manage than a smaller feature set deployed consistently.

FAQs