The Voice Labs blog
Guides to better AI voiceovers
How to write for an AI voice, which settings to change and when, and step-by-step guides for adding voiceovers to the things you publish.
The Best AI Text to Speech Apps for iPhone in 2026
Seven text to speech apps for iPhone compared by what they are for: making voiceovers, reading documents aloud, or speaking for you. With prices and requirements.
GuidesHow to Write Scripts That Sound Natural in an AI Voice
Ten practical rules for writing text to speech scripts: short sentences, punctuation as direction, numbers spelled out and names respelled, with examples.
ExplainersStability, Similarity and Speed: AI Voice Settings Explained
What the stability, similarity and speed sliders do to an AI voice, when to use the Natural, Narration and Expressive presets, and starting points for common jobs.
ExplainersHow Long Is 5,000 Characters? Words, Pages and Speaking Time
5,000 characters is about 800 words, a page and a half of text, or five to six minutes of speech. A table of characters, words and speaking time for any script.
ExplainersText to Speech vs Voice Changer: Which Should You Use?
Text to speech turns writing into audio. A voice changer turns your own recording into a different voice. How each works, what each is best at, and how to choose.
How-toHow to Add an AI Voiceover to a TikTok Video
A step-by-step guide to adding an AI voiceover to a TikTok on iPhone: write the script, generate the voice, combine it with your clips and post. With timings.
How-toHow to Make AI Voiceovers for Faceless YouTube Videos
A practical workflow for narrating faceless YouTube videos and Shorts with an AI voice: scripting in sections, choosing a channel voice, editing to the narration.
How-toHow to Narrate a Story or Audiobook Chapter with an AI Voice
Turn a short story, bedtime story or book chapter into narration on your iPhone: prepare the text, choose a narrator, generate scene by scene and join the parts.
GuidesAI Voiceovers for Ads: Scripts and Timing for 15, 30 and 60 Seconds
Word counts, structures and fill-in-the-blank templates for 15, 30 and 60 second ad voiceovers, plus how to test several AI voices before you spend on media.
ExplainersWhat Is AI Text to Speech? A Plain-English Guide
What AI text to speech is, how it differs from older robotic voices, what people use it for, its limits, and how to try it on an iPhone in under a minute.
Give your words a voice
Your first 2 generations are free. Paste a script, pick a voice and hear it in seconds.
Free download · iPhone and iPad · iOS 16.1+