VoiSpark Reviews

The biggest issue with Voispark is its limited context window. I also use another voice tool, Unmixr (available on AppSumo), which allows previewing before finalizing output. This feature helps me avoid burning through credits quickly. Unmixr also offers a much longer context window, which keeps the voice consistent across generations. Unmixr is the best i have experienced in terms of consistency but i wanted to look around to see if i could find even better voices which led me to looking at voispark.

Voispark’s voices are noticeably higher quality but unfortunately, they lack consistency between generations, often causing mismatched tones and flow. This problem stems from Voispark’s 3000 character context window, which makes it very difficult to maintain a natural, consistent output.

I’ve wasted a lot of credits trying to get new generations to match the flow of the first. The voices themselves are excellent, but the current limitations on the context window length make the voices inconsistent which results in a frustrating experience and wasting lots of credits due to these pitfalls. If these issues are resolved, I’d be open to upgrading my review.

Specific issues that need to be fixed:

1. Context window too small (3000 characters): Makes it difficult to maintain tone and flow across generations.

2. No preview option: Causes unnecessary credit usage when results don’t meet expectations.

3. Inconsistent voice quality across multiple generations: ElevenLabs sounds the best, but it loses consistency on re-runs. Minimax is natural but inserts awkward pauses.

4. Audio cut-off issue: Sometimes the generated audio ends abruptly, omitting part of the text that was very much in the context window, yet i still end up getting charged credits for the missing audio that wasn't generated at the end. Also forces me to waste more credits to regenerate the last sentence that was abruptly cut-off.

These problems make it hard to rely on Voispark despite its strong voice quality. Please address them as soon as possible.

I've already used a few TTS solutions (and yes, I miss SpeechKI). Overall, VoiSpark makes a solid impression, and the operation is simple and intuitive so far.

Voice cloning: Currently, this is certainly one of the most important features in TTS solutions. MiniMax's quality is good. I generally don't have a problem with the fact that the initial setup for a new cloned voice costs 100,000 credits. Cartesia and FishAudio didn't really convince me in my first test; those voices still sounded very unnatural.

Con:
What's a real challenge for me (and probably every other user) is that there's no preview option. There are many setting options, and you really have to test them all to achieve the best possible result. From the respective provider's model selection, to emotions, language boost, speed, volume, pitch, and even the "Text Normalization" function, you use up a lot of credits each time to eventually find the best setting.
Then comes the next challenge: Even though the AI ​​models (e.g., MiniMax) are now really good, the pronunciation of certain words can sometimes be off (I use it for German Voice overs). Currently, you can't preview or correct them. Here, too, you have to create the final voiceover each time (again, it costs a lot of credits) only to discover that it can't be used. This can quickly lead to frustration, especially with the lower tiers.

Overall, VoiSpark offers a solid foundation with good models. I sincerely hope that it will soon become significantly more user-friendly (preview and edit functions are a must).

Therefore, my rating fluctuates between 3 and 4 Tacos, but – with hope for future development – ​​I give it 4. However, using the voice cloning function can quickly become frustrating with Tiers 1 and 2.

I'm using VoiSpark to produce longer content (podcasts, etc.). I put (German) text into the TTS.

For 2332 characters (well under the limit mind you) it charged 9.3K credits. Okay, fine. I used 11 labs, so I was expcting that.

The voice I chose came out fine, pronunciation correct, read the sentences with a bit of spark... until I reached the end.

It cut off 8 lines of text.

Of course I was charged for the "missing text" as well as the cost to regenerate it (674/2696). I don't mind if a platform shaves off a few credits here and there, but this is extreme. What if I hadn't double checked and uploaded the cut-off speech to my followers? Well... they wouldn't have gotten the experience they were looking for and I would've suffered a lot of unnecessary embarr-ass-ment.

The middle part is just what I would've looked like.

I'm going to try it one more time, and if it acts up again, I'm out!

fluid audio and realistic tone and accent. Great product!

First, I don't understand their credit system. How do I explain the math behind 120k credit remaining 18,644, after deducting 678? I emailed the support, and haven't heard from them. This is not a good first time experience with this product.