Your channel has no face, no host, and no set. The voice is the only thing a returning viewer recognizes, which makes it the closest thing you have to a brand, and it usually gets chosen by clicking the first option in a dropdown.
It is worth ten minutes. Not more than that, because most of the advice about this is overthought, and two of the four things people optimize for do not matter at all.
What actually matters
It has to match the person the story is about. These videos are first person, so a 25-year-old woman describing her sister's wedding, read in a deep authoritative baritone, creates a mismatch the viewer notices without being able to name it. That is the most common mistake in the category and it is free to fix.
It has to survive being sped up. These videos run fast, and plenty of voices develop artifacts or go mushy as the pace increases. Test at the speed you will actually publish at rather than at the default.
It has to still be there next month. Consistency across uploads is the whole point of having a voice, and a channel that swaps every few videos never accumulates recognition — the people who liked the last one have nothing to come back to.
And it should not be the TikTok default. You know the one. It is instantly identifiable as the free option, it has been on a hundred thousand videos, and it reads as low effort whether or not the video is.
What does not matter as much as people think
Studio-grade naturalness. Story Shorts are watched at speed on a phone with captions running, and the gap between a good voice and an outstanding one closes fast under those conditions. The gap between a bad voice and a good one is enormous; the gap above that is small.
Emotional range. It sounds like it should matter and it mostly does not, because the reaction meme is carrying the emotional beat. In a format where the joke lands visually, an over-performed read competes with the image instead of supporting it.
Accent authenticity. Pick something clear and neutral for your audience. Regional accents narrow reach for no gain unless the persona genuinely calls for it.
Male or female, and why it is not close
For AITA and relationship-drama material, the source posts skew heavily toward female narrators, and so does the audience expectation built by every large channel in the niche. A female voice on that material is the default for a reason.
For workplace revenge, malicious compliance, and petty-revenge-at-the-DMV material, it is genuinely open, and a male voice differentiates you in a feed where everything sounds the same.
Pick one and keep it. If you want both, that is two channels, not one channel alternating.
The cost question
Paid TTS APIs charge per character, which means your costs scale with the exact thing you are trying to increase. At a few videos a week it is trivial. At the volume the format rewards it becomes a real line item, and it is a strange one to carry, because the marginal quality it buys is small in this specific format.
Local models have closed most of that gap. Kokoro-82M is a small open model that runs on ordinary hardware, sounds clean at Shorts pace, and costs nothing per character, which is why it is what we run.
There is a real tradeoff and it is worth stating: the top commercial voices still sound better in a quiet room with good headphones. On a phone, at 1.1x, under captions, next to a meme, that difference is mostly gone.
A practical way to pick
Take one script you have already written. Run the same thirty seconds through every voice you are considering, back to back, and listen on your phone with the volume where you actually keep it. Not on monitors, not in a browser tab at full volume.
Then listen to the three finalists again the next day. The one that annoys you on the second listen will annoy your audience on their fifth, and you are going to hear this voice more than anyone.
How Memecut does this
Memecut runs Kokoro locally and offers eleven voices — five American female, two American male, two British female, two British male — with a play button next to each in the project form, so the comparison above takes about a minute instead of requiring eleven renders.
The default is af_nicole, which is the one we picked for our own test channel after exactly the process described here: American, female, holds up at speed, sits well under an AITA-style script. It is a default, not a recommendation. Two minutes of clicking will tell you more than this paragraph can.
Because the model is local, none of this is metered. Voice generation does not cost per character, so re-rendering a script with a different voice is free, and the daily limit on the free tier is about render slots rather than characters.
What to remember
Match the voice to the narrator the story implies, test it at publishing speed, and then never change it. Naturalness above "clearly good" buys less than people expect in a format with captions and memes doing half the work, and per-character pricing scales against you exactly where the format rewards volume. Pick from a short list in one sitting, sleep on the finalists, and run a real script through it rather than judging from a sample line.