Head-to-head
Synthesys vs Listnr: which AI voice tool wins in 2026?
Synthesys ($20/mo) and Listnr ($16/mo) are two of the most-used AI voice tools in 2026. Across 2 community votes, Synthesys leads with 50% approval.
Quick verdict
On raw voice quality, Synthesys and Listnr are tied at 3/5. On budget, Listnr wins: it starts at $16/mo versus $20/mo for Synthesys. Both offer a free tier, so you can test-drive each before paying.
Line-by-line comparison
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Strengths and weaknesses
Synthesys
- 400+ studio voices in 140+ languages (site's pricing page claims 1,000+ voices / 175+ dialects)
- Voice cloning from just 10 seconds of audio, plus text-prompt voice design
- Full commercial rights on every paid plan: no royalties, no attribution, no usage restrictions
- Cheap entry point: $20/mo billed annually (Indie), ~30% below the $29 monthly price (site advertises 40%)
- Voices rated well by users: Trustpilot 4.3/5 (113 reviews), with voice quality frequently praised
- Bundles TTS with AI avatars, video and dubbing in one subscription
- Opaque credit system: Trustpilot users report generations deducted at significantly higher rates than tooltips suggest, with no warning
- Product now video-first; TTS is a secondary module and voice limits are buried in video-credit plans
- API not included in regular plans: sold separately as a custom-priced package via sales contact, with no self-serve pricing published
- Inconsistent claims on its own site (400+ vs 1,000+ voices; 140+ vs 175+ languages)
- Very tight refund window: 72 hours and under 5 minutes of tool usage per the official policy; some users report refused refunds and post-purchase confusion about what their plan includes
Listnr
- 1,000+ AI voices in 142+ languages, among the broadest language coverage in the category
- Cheap entry point: Individual plan ~$16/mo annual with commercial rights included
- All-in-one bundle: TTS, podcast hosting, blog audio embeds, and AI video generation
- Voice cloning and a TTS API available
- Free tier with 1,000 words, no credit card required
- Multi-voice conversations plus pitch/rate/pause/pronunciation controls
- Credits expire monthly (rollover was removed) and users report bugs consuming credits without usable output
- Widely reported poor support: multi-month response delays and AppSumo lifetime-deal disputes
- Reliability complaints: login glitches and outages, some reportedly lasting days
- Premium voices sometimes fail or produce garbled audio while still burning credits
- Voice realism trails category leaders like ElevenLabs, especially outside popular languages
Cast your verdict
One recommendation per tool per gladiator. It reshapes the crowd score everyone sees.
The arena’s verdict on Synthesys
Pick Synthesys if you want one affordable subscription that covers voiceover, dubbing and AI video ads: at $20-29/mo with full commercial rights it undercuts buying a TTS tool and a video tool separately, and its 140+ language spread is genuinely wide. Skip it if voice is your main product: audio purists and audiobook narrators will get more realistic output from ElevenLabs, and developers should look elsewhere since API access is a custom-priced separate package. Also budget carefully: real users report credits burning much faster than advertised, and the refund window is only 72 hours with under 5 minutes of usage, so test the free trial thoroughly before committing annually.
The arena’s verdict on Listnr
Listnr makes sense for budget-conscious creators who value breadth over polish: 142+ languages, podcast hosting, and blog audio embeds for under $20/month is a genuinely wide bundle at this price. Its weak spots are operational, not conceptual: expiring credits, credit-eating bugs, outages, and support that users describe as non-existent. Pick it for multilingual side projects and blog-to-audio pipelines; skip it if you need top-tier voice realism (ElevenLabs) or deadline-grade reliability for client work.
What the crowd says
On Synthesys
No verdicts yet. Be the first to speak.
On Listnr
“Listnr's top voices feel limited vs ElevenLabs, but the hosting is handy.”
“Listnr bundles TTS plus podcast hosting, a one-stop shop for my show.”
Keep comparing
Frequently asked questions
Is Synthesys better than Listnr?
The right pick depends on your use case. The line-by-line comparison on this page breaks down price, free tiers, voices, languages, cloning and API access.
Which is cheaper, Synthesys or Listnr?
Listnr is cheaper: it starts at $16/mo, while Synthesys starts at $20/mo.
Which has the better free tier, Synthesys or Listnr?
Both do. Synthesys: Free trial, no card required; exact limits (minutes, commercial use) not published on site. Listnr: 1,000 words free, no credit card required.