Alternatives to Protectron

All-in-one group admin bot: moderation, anti-spam, captcha, greetings and basic stats in one dashboard, trusted by over 500,000 admins. Free core, English interface.

Moderation plus analytics in one bot: anti-spam, triggers, reputation and detailed chat statistics on the web dashboard. Free basics, paid plan for full stats and extra chats; English and Russian.

The most widely used free group manager: warns, mutes and bans, word filters, welcome messages with captcha, anti-flood and federations for networks of chats. English and dozens of languages, 2.3 million monthly users.

Free group manager with a button-driven setup: anti-spam, anti-flood, welcome with captcha, rules, media locks and user levels. Fully translated into Russian, 2.4 million monthly users.

The genuine official bot of Doctor Web, a long-established Russian antivirus vendor — send it a file or link in a private chat or a group and it scans for malware and phishing using Dr.Web's own cloud engine.

The best-known standalone captcha bot for Telegram groups: button, math or custom question on entry, kicks whoever fails. Free, open, 207 thousand monthly users.

Instant stats for any public Telegram channel, chat or post: subscriber counts, reach and growth trends. Free lookup, 66 thousand monthly users.

All-in-one entry protection: captcha, anti-raid mode, anti-flood and word/link filters for Russian-language chats. Free, 74 thousand monthly users.

International, open-source captcha bot: image or math verification for new group members. Free, multilingual, 18 thousand monthly users.

Adds a real comment thread to every channel post: readers reply, admins get notified and moderate. Free, 37 thousand monthly users.

Behavioural moderation for Russian-language groups: mutes flooders, catches aggression and caps-lock spam, logs actions for admins. Free, Russian interface.

Single-purpose spam remover: deletes typical spam messages from groups and channel chats with almost no setup. Free, Russian interface, 16 thousand monthly users.

Simple, dedicated welcome bot: greets every new group member automatically with formatted text. Free.

Anti-spam bot with configurable welcome buttons: greets and can auto-remove its own welcome message after a delay. Free, Russian interface.

Audience-quality analytics for channels: detects bots and fake subscribers, finds audience overlap between channels, protects against raids. Free, Russian interface.

Long-running group management bot with a strong rules and welcome focus: description on command, anti-flood and custom triggers. Free.

Simple entry-level captcha for Russian-language groups: bot adds a check-in challenge for newcomers before they can post. Free.

All-in-one channel-admin bot with a feedback module: build your own suggestion sub-bot alongside content, moderation, CRM and subscription tools. Russian interface.

Captcha plus a shared spammer database: blocks known bad accounts on join and challenges the rest. Free.