kitio.aiReadSpeaker vs Inworld AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. ReadSpeaker has the lower starting price: about $9 a month, against $25 for Inworld AI.
Realtime text-to-speech, speech-to-text and LLM inference for consumer apps
Freemium · $25/moAt a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- webReader for websites
- docReader for documents
- speechCloud API
- Embedded speechEngine SDK
- Custom brand voices
- LMS integrations
- Realtime TTS-2 and TTS-2 Flash
- Speech-to-text
- Speech-to-speech
- Voice cloning and design
- Open LLM inference
- Credit rollover
| Feature | ReadSpeaker | Inworld AI |
|---|---|---|
| Best for | Text-to-speech voices for websites, e-learning and products | Realtime text-to-speech, speech-to-text and LLM inference for consumer apps |
| Category | Audio & voice | Audio & voice |
| Pricing model | Paid | Freemium |
| Starting price | $9/mo | $25/mo |
| Free plan | No | Yes |
| Made by | ReadSpeaker | Inworld AI |
| Based in | Netherlands | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
ReadSpeaker has the lower starting price: about $9 a month, against $25 for Inworld AI.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Individual
$9/mo
- Non-institutional use
- Starting price
ReadSpeaker Online
Custom
- Annual license
- Priced by students or inhabitants
- Ongoing support and training
Custom Voice
Custom
- One-time development fee
- License fee by solution
6 plans
On-Demand
$25 / 1M characters (TTS-2)
- Pay as you go
- Up to 70 min TTS included
- 2 professional voice clones
Creator
$25/mo
- $25 in credits per month
- Up to 33% off TTS and STT
- 4 professional voice clones
Builder
$100/mo
- $100 in credits per month
- Up to 40% off TTS and STT
- 10 professional voice clones
Developer
$300/mo
- $300 in credits per month
- Up to 47% off TTS and STT
- Priority email support
Growth
$1500/mo
- $1,500 in credits per month
- Up to 53% off TTS and STT
- Higher API limits
Enterprise
Custom
- TTS-2 from $5 per 1M characters
- SLA and data residency
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
ReadSpeaker
- Voices in more than 90 languages
- Ready-made LMS integrations
- Cloud, server and embedded options
- Custom voice development available
- Institutional pricing needs a quote
- No free plan listed
- Large product range to sort through
Inworld AI
- Very low latency for live voice
- Pay-as-you-go option
- Unused credits roll over
- Best rates need large commitments
- HIPAA and ZDR are add-ons
- Developer-oriented, no consumer app
Which one should you choose?
Choose ReadSpeaker if you want:
- Voices in more than 90 languages
- Ready-made LMS integrations
- Cloud, server and embedded options
Watch out: institutional pricing needs a quote.
Choose Inworld AI if you want:
- Very low latency for live voice
- Pay-as-you-go option
- Unused credits roll over
Watch out: best rates need large commitments.
ReadSpeaker vs Inworld AI FAQ
What is the difference between ReadSpeaker and Inworld AI?
ReadSpeaker: Text-to-speech voices for websites, e-learning and products. Inworld AI: Realtime text-to-speech, speech-to-text and LLM inference for consumer apps. Both are audio & voice tools.
Is ReadSpeaker or Inworld AI cheaper?
ReadSpeaker has the lower starting price: about $9 a month, against $25 for Inworld AI.
Do ReadSpeaker and Inworld AI have free plans?
ReadSpeaker: No. Inworld AI: Yes.
Who makes ReadSpeaker?
ReadSpeaker is made by ReadSpeaker, based in Netherlands.
Who makes Inworld AI?
Inworld AI is made by Inworld AI, based in United States.
Which should I choose, ReadSpeaker or Inworld AI?
Choose ReadSpeaker if you value voices in more than 90 languages and ready-made lms integrations. Choose Inworld AI if you value very low latency for live voice and pay-as-you-go option.