PostJelly auto-replies to comments on Facebook Page posts, publicly or by private Messenger message, based on keyword rules. It describes itself as an add-on for ManyChat or Chatfuel users, not a chatbot builder. Paid plans are billed monthly and limited by Pages, posts and replies sent per month.
Prices and features checked
Monthly price, billed monthly, for one Facebook Page. Mentbot includes every feature on every plan, so its price only changes with volume.
| Comments per day | PostJelly | Mentbot |
|---|---|---|
| 100 | $11.99 Basic — 6,000 replies/mo ≈ 200/day; assumes one reply per comment | $9 Basic plan, every feature |
| 1,000 | $23.99 Pro — 50,000 replies/mo ≈ 1,666/day; assumes one reply per comment | $19 Pro plan, every feature |
| 3,000 | $71.99 Agency — 250,000 replies/mo ≈ 8,333/day; Pro's ≈1,666/day is too few | $29 Premium plan, every feature |
Only what matters for answering comments on a Facebook Page.
| Feature | PostJelly | Mentbot |
|---|---|---|
| Auto-reply to comments in public | Yes Text or image replies, random variants, optional delay | Yes |
| Auto-send a private Messenger message | Yes Private message can include a button | Yes |
| Keyword triggers | Yes One or many keywords; regex supported | Yes |
| Limit rules to certain posts | Yes Any post or chosen posts; 50 posts at once on Basic | Yes Pick posts or use a hashtag |
| Auto-hide comments | No Not listed on PostJelly's homepage, pricing or compare page | Yes |
| Auto-like comments | Yes | Yes |
| Alert when a customer is left waiting | No Not listed on PostJelly's site | Yes Telegram alerts |
| Several Pages on the cheapest plan | Limited 3 Pages on Basic, 10 on Pro, 30 on Agency | Yes Unlimited Pages |
| Visual chatbot flow builder | No Says it is an add-on, not a chatbot builder | No |
| Instagram, WhatsApp and other channels | No Facebook Page posts only; Instagram not mentioned | No Facebook Pages only |
Per Pages and replies sent per month. Free plan: 1 Page, 1 campaign, 100 comments (period not stated).
| Plan | Monthly | What you get |
|---|---|---|
| Basic | $11.99 | 3 Pages, 50 posts at once, 6,000 replies/mo (≈200/day) |
| Pro | $23.99 | 10 Pages, unlimited posts, 50,000 replies/mo (≈1,666/day) |
| Agency | $71.99 | 30 Pages, unlimited posts, 250,000 replies/mo (≈8,333/day) |
Yes, at the three volumes we compared. 100 comments a day is $9 on Mentbot Basic and $11.99 on PostJelly Basic. 1,000 a day is $19 against $23.99 on PostJelly Pro. 3,000 a day is $29 against $71.99 on PostJelly Agency. Above 5,000 comments a day, PostJelly Agency has room and Mentbot has no published plan. Prices checked on 14 September 2026.
Yes. It covers 1 Page, 1 active campaign and replies to 100 comments. The pricing page does not say whether the 100 is per month or in total. Mentbot has no free plan; it has a 14-day free trial.
Yes. Mentbot can put an image in the public reply and in the private Messenger message. PostJelly lists image replies for public comments.
Hiding comments is not listed on PostJelly's homepage, pricing or compare page, as of 14 September 2026. Mentbot can hide a comment automatically when it matches a rule.
Prices change. We re-check each vendor at least every 90 days — tell us if something is out of date.
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