AI · alternatives · 2026

24 alternatives to VoiceCalc - AI Math Calculator

Human voice input & get instant answer on math & time zone

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. VoiceCalc - AI Math Calculator launched in 2024; newer entries below may have overtaken it.

1. 1
   Willed Calculator▲87

   A basic calculator based on voice recognition input

   2019 · its alternatives →

2. 2
   VoiceCalc▲1

   AI powered voice calculator

   2024 · its alternatives →

3. 3
   AI Share of Voice Calculator▲129

   Compare brand's social presence for free

   2024 · its alternatives →

4. 4
   Cal.ai Phone Agent▲505

   Supercharged Cal.com scheduling with AI-powered calls

   Sep 2025 · coss.com · its alternatives →

5. 5RT
   Real-time AI Voice Chat at ~500ms Latency▲524

   2025 · github.com · its alternatives →

6. 6
   AI Voices by Asyncflow v1.0▲401

   Premium AI voice quality without the premium price tag.

   2025 · its alternatives →

7. 7
   Realtime TTS-2▲153

   Voice AI that feels as good as it sounds

   May 2026 · inworld.ai · its alternatives →

8. 8
   Octave TTS▲282

   Describe any AI voice and prompt its emotional delivery

   2025 · its alternatives →

9. 9
   answercall.ai▲98

   Your intelligent voice assistant

   2023 · its alternatives →

10. 10VB
    Voice bots with 500ms response times▲315

    Last year when GPT-4 was released I started making lots of little voice + LLM experiments. Voice interfaces are fun; there are several interesting new problem spaces to explore. I'm convinced that voice is going to be a bigger and bigger part of how we all interact with generative AI. But one thing that's hard, today, is building voice bots that respond as quickly as humans do in conversation. A 500ms voice-to-voice response time is just barely possible with today's AI models. You can get down to 500ms if you: host transcription, LLM inference, and voice generation all together in one place;…

    2024 · fastvoiceagent.cerebrium.ai · its alternatives →

11. 11
    Async Voice AI▲248

    High-quality text-to-speech, designed for developers

    2025 · its alternatives →

12. 12
    gpt-realtime-1.5 by OpenAI▲304

    Tighter instruction adherence in speech agents

    Feb 2026 · developers.openai.com · its alternatives →

13. 13
    Canonical AI▲227

    Analytics for your voice AI agent

    2024 · its alternatives →

14. 14
    Inworld TTS▲318

    Voice AI that’s 5% of the cost. 100% of the quality.

    2025 · inworld.ai · its alternatives →

15. 15
    Voice Agent Pricing Calculator▲11

    Compare voice agents API costs and simulate latency

    2025 · its alternatives →

16. 16
    gpt-realtime▲266

    For reliable, production-ready voice agents

    2025 · openai.com · its alternatives →

17. 17
    ElevenLabs SFX v2 ▲179

    Generate endless looping sound effects with a single prompt

    2025 · elevenlabs.io · its alternatives →

18. 18
    Voice Agent API▲118

    One API to build production-ready voice agents

    Apr 2026 · assemblyai.com · its alternatives →

19. 19
    Calculator Star AI▲2

    AI Mathing at the Speed of Voice

    Jan 2026 · calculatorstar.app · its alternatives →

20. 20
    Cols.ai▲139

    AI phone calling platform

    2024 · its alternatives →

21. 21
    Time Calc▲93

    Calculator to perform elementary operations on units of time

    2017 · its alternatives →

22. 22
    aical▲131

    Photo & Voice calories counter.

    2019 · its alternatives →

23. 23
    CalenAI▲105

    AI scheduling agent with human like voice

    2024 · its alternatives →

24. 24
    Microsoft AI (MAI) Voice-1▲120

    Highly expressive and natural speech generation model

    2025 · microsoft.ai · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →