
1. PolyAI
PolyAI · London · AI voice agents · 4.2/5
Voice AI agents that answer enterprise customer calls in natural conversation.
On request
Quote-based
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AI voice agents · Alternatives
Infinitus is an ai voice agents product from Infinitus Systems, Inc., San Francisco, priced at On request. We compared 20 alternatives on published price, free plan, platforms and made-in-India support: 9 have a free plan, 7 are built in India, and 9 start cheaper or free.
Quick answer
The closest alternatives to Infinitus are PolyAI (On request), Parloa (On request), VocalLabs (On request), Thoughtly (Paid plans) and Phonely (Free plan). Phonely is the top-ranked option with a free plan.
There is no free plan
Infinitus has no free tier. 9 alternatives do, which lets you test with real data before you pay.
Indian support and GST
Infinitus is built in USA. 7 alternatives are made in India, where GST, TDS and UPI are usually handled natively and support runs on IST.
Ranked by how closely each product matches Infinitus's category, pricing model, platforms and business size, then by rating. Prices exclude GST.
| # | Software | Starting price | Free plan | Platforms | Made in India | Rating | Compare |
|---|---|---|---|---|---|---|---|
| — | On request | No | Web | No | 3.9/5 | — | |
| 1 | PolyAI | On request | No | Web | No | 4.2/5 | |
| 2 | Parloa | On request | No | Web | No | 4.1/5 | |
| 3 | VocalLabs | On request | No | Web | Yes | 4.1/5 | |
| 4 | Thoughtly | Paid plans | No | Web | No | 4.1/5 | |
| 5 | Phonely | Free plan | Yes | Web | No | 4.4/5 | |
| 6 | Vodex | Free plan | Yes | Web | Yes | 4.4/5 | |
| 7 | AnveVoice | Free plan | Yes | Web | Yes | 4.4/5 | |
| 8 | Slang.ai | Paid plans | No | Web | No | 4/5 | |
| 9 | Omilia | On request | No | Web | No | 4.2/5 | |
| 10 | AgentZap | Paid plans | No | Web | No | 3.9/5 | |
| 11 | Atomic Apps AI | Free plan | Yes | Web | No | 4.2/5 | |
| 12 | Goodcall | Free plan | Yes | Web | No | 4.2/5 | |
| 13 | Assay | Free plan | Yes | Web | No | 4.2/5 | |
| 14 | NextPhone | Free plan | Yes | Web | No | 4.2/5 | |
| 15 | Free plan | Yes | Web | No | 4.2/5 | ||
| 16 | Ultravox | Free plan | Yes | Web | No | 4.2/5 | |
| 17 | Agentive | Paid plans | No | Web | Yes | 4.1/5 | |
| 18 | ORI | Outcome-based pricing · Consumption fee plus success fee on uplift; no public rates | No | Web | Yes | 4.3/5 | |
| 19 | Sarvam AI | Pay as you go · from Rs 0/month · Prepaid credits, Rs 1 = 1 credit; free credits on signup | No | Web | Yes | 4.3/5 | |
| 20 | SquadStack | On request | No | Web | Yes | 4.3/5 |

PolyAI · London · AI voice agents · 4.2/5
Voice AI agents that answer enterprise customer calls in natural conversation.
On request
Quote-based

Parloa GmbH · Berlin · AI voice agents · 4.1/5
AI agent management platform for contact centres covering design, testing and scaling of voice agents.
On request
Quote-based

VocalLabs · Bengaluru · AI voice agents · 4.1/5
AI voice agents for sales, support and customer engagement calls.
On request
Quote-based
Compared with Infinitus

Thoughtly · New York · AI voice agents · 4.1/5
CRM-driven AI voice agents that call leads and follow up across phone, text and email.
Paid plans
Free trial

Phonely, Inc. · San Jose · AI voice agents · 4.4/5
Voice AI phone answering service that handles inbound business calls and transfers.
Free plan
Free plan available
Compared with Infinitus

Vodex AI · Bengaluru · AI voice agents · 4.4/5
Voice AI agents for debt collection, payment reminders and automated outbound calling.
Free plan
Free plan available
Compared with Infinitus

Anveshana Futurecorp Pvt Ltd · Delhi · AI voice agents · 4.4/5
AI voice assistant for websites that answers visitors and completes actions on the page
Free plan
Free plan available
Compared with Infinitus

Slang AI · New York · AI voice agents · 4/5
Voice AI phone answering for restaurants that takes calls and turns them into reservations.
Paid plans
Free trial

Omilia · Athens · AI voice agents · 4.2/5
Conversational intelligence platform providing voice and digital self-service for contact centres.
On request
Quote-based

AgentZap · Sheridan · AI voice agents · 3.9/5
AI receptionist that answers business calls 24/7 and books appointments automatically
Paid plans
Free trial
The closest matches to Infinitus on App Advisor are PolyAI (On request), Parloa (On request), VocalLabs (On request). They are ranked by how closely their category, pricing model, platforms and target business size match Infinitus, then by rating. The best choice depends on your team size and budget.
Yes. 9 of the 20 alternatives listed have a free plan or are free: Phonely (Free plan), Vodex (Free plan), AnveVoice (Free plan). Free plans usually cap users, records or transactions, so check the limits against your monthly volume.
Yes. 7 alternatives are built in India, including VocalLabs (On request), Vodex (Free plan), AnveVoice (Free plan). Indian products usually handle GST, TDS and UPI natively and bill in rupees.
PolyAI is the closest match to Infinitus in our catalogue. Compare them side by side before you book a demo.
Every product listed sits in ai voice agents or a category Infinitus also covers, and Infinitus Systems, Inc.'s own products are excluded. Prices, free plans and platforms come from each vendor's official website. App Advisor does not sell any of this software.
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