loop2 vs AiSensy for closing WhatsApp leads (2026)
Closing sales on WhatsApp requires more than bulk broadcasts. Compare how AiSensy and loop2 handle lead response and follow-ups differently, including a full cost and mechanic breakdown.
The Direct Comparison
AiSensy is a robust platform for sending bulk broadcast campaigns and managing product catalogs using the official WhatsApp Business API, whereas loop2 is a dedicated AI sales agent designed to respond to inbound leads and follow up automatically until they reply. Choosing between aisensy vs loop2 depends on whether you need a marketing tool to blast your database or an AI-driven closer to respond to your Click-to-WhatsApp (CTWA) ad leads within seconds.
While AiSensy excels at structured automation and CRM dashboards, it is bound by official API limits like the 24-hour customer service window and mandatory message templates. loop2 works as a human-like participant on your existing number, enabling it to follow up without template restrictions or per-message marketing fees.
The Real Mechanics of the Official API
When you use a tool like AiSensy, you are operating on the WhatsApp Business API. This carries specific structural rules. The most significant is the 24-hour window: you can only reply to a customer with free-form text within 24 hours of their last message. Once that window closes, you must use a Meta-approved template.
In the Indian market (2026), marketing templates cost roughly ₹0.95–1.09 per message. If you send a follow-up to a lead who hasn't replied in two days, you aren't just paying for the tool; you are paying Meta for that specific message. Furthermore, Meta enforces frequency caps. If you send too many marketing templates to a user who doesn't engage, your template can be paused or your quality rating downgraded.
AiSensy provides a strong interface for these broadcasts. According to the GoKwik WhatsApp Commerce Intelligence Report 2026, brands using such tools saw 2.25x higher median GMV growth. However, that same report highlighted a massive gap in performance: automated journeys (interactive, responsive flows) averaged an 11.1% CTR, while traditional broadcast campaigns lagged at 2.6%. This suggests that simply blasting a list is no longer enough to win in a market with 500M+ users where 60% of people message a business weekly.
Calculating the Cost: aisensy vs loop2
Business owners often overlook the markups and add-ons that come with API providers. AiSensy applies up to a 12.15% markup on marketing messages and up to 8.69% on utility or authentication messages over the base Meta rates. If you have a team that needs a chatbot to qualify leads before a human jumps in, that builder is priced as a ₹1,999/month add-on.
Consider this calculation for a mid-sized D2C seller:
- Total Leads: 1,000
- Marketing Templates (3 follow-ups each): 3,000 messages × ₹1.05 (avg) = ₹3,150
- Markup (12.15%): ₹382.72
- Chatbot Add-on: ₹1,999
- Total Meta/Markup/Bot Fees: ₹5,531.72 (excluding the base platform subscription).
In contrast, loop2 does not use the API. It runs on your existing WhatsApp number as a linked device. Because it sends ordinary messages rather than templates, there are no per-message fees to Meta and no 24-hour restrictions.
| Feature | AiSensy (Official API) | loop2 (Linked Device AI) |
|---|---|---|
| Primary Use Case | Bulk Broadcasts & Catalogs | Inbound Response & Follow-up |
| 24-Hour Window | Strict; templates required after | No restriction; free-form AI text |
| Follow-up Method | Pre-approved template text | Contextual AI-written messages |
| Group Support | No (API limit) | Yes (DMs and Groups) |
| Setup Requirement | New number or migration | Existing number (Linked Device) |
| Chatbot Builder | ₹1,999/month add-on | Included AI agent |
| Markup on Meta fees | Up to 12.15% | ₹0 (No Meta per-message fees) |
The Speed of Lead Response
The most critical moment in a WhatsApp sale is the first five minutes. Research from MIT and Dr. James Oldroyd shows that the odds of qualifying a lead are 21x higher if you contact them within 5 minutes versus 30 minutes. Most SME owners in India struggle here. If an ad click happens at 11:30 PM, a human agent won't see it until 10:00 AM the next day. By then, the lead has likely messaged three other competitors.
AiSensy allows you to build keyword-based flows to handle these. However, these flows are often rigid. If a user asks a question that doesn't match your keyword, the bot breaks. loop2 uses an AI agent that understands context. It replies instantly to CTWA ads, which open a 72-hour free messaging window. If the lead doesn't buy immediately, loop2 handles the follow-ups human-ly within business hours, ensuring the lead isn't forgotten.
When AiSensy is the Better Choice
A common mistake is thinking one tool replaces the other entirely. If your primary goal is to send a weekly newsletter or a flash sale notification to 50,000 people, you should use AiSensy. The official API is built for scale and bulk outreach. It manages opt-outs rigorously and provides the throughput needed for massive campaigns.
However, if your business relies on high-intent leads from Meta ads or IndiaMART, broadcasting is secondary to closing. If you are paying for Click-to-WhatsApp ads, every lead you lose to slow response is wasted ad spend. When users complain about "AI" in API tools, they are usually frustrated by rigid 'Press 1 for Sales' menus. loop2 avoids this by writing natural, conversational replies that feel like a real sales assistant is handling the desk.
Solving the Lead Persistence Problem
Sales research indicates that 23% of B2B leads never receive a response, and the average response time is a staggering 42 hours. On WhatsApp, where the median purchase happens within an hour of the first message, those delays are fatal to conversion rates.
API-based tools can schedule templates, but they cannot engage in a back-and-forth conversation once the 24-hour window expires without another template. loop2 handles follow-ups persistently without these mechanical hurdles, effectively acting as an inbound response agent that never sleeps.
Takeaway
Choose AiSensy if you need a reliable dashboard for bulk marketing campaigns and catalog management via the official API. Choose loop2 if you want to eliminate lead loss by responding instantly to every inquiry and following up automatically without template costs or 24-hour restrictions.
Quick answers
Can I follow up on WhatsApp after 24 hours without a template?+
Does AiSensy charge extra for the WhatsApp API?+
How many devices can I use with a normal WhatsApp Business account?+
Which is better for Click-to-WhatsApp ads, AiSensy or loop2?+
Written by
Emon (Mayank Meena), Founder — Mindloop
Founder building loop2 in public — talks to WhatsApp sellers every day. About us →
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