Comparison
NaturalReader is a document reader: it turns PDFs, files, web pages and scanned pages into audio you listen to, and it can export MP3s. Voice Labs is a voiceover maker: you paste a script, pick one of 370+ character voices, and get audio for a video, story, lesson or ad, with a built-in voice changer. NaturalReader suits study and reading; Voice Labs suits publishing.
| Voice Labs | NaturalReader | |
|---|---|---|
| Built for | Making voiceovers from scripts you write | Listening to documents, files and web pages; described in its listing as a tool for productivity and accessibility |
| What you put in | Text you type or paste, or a voice recording for the Voice Changer | PDFs, Word and PowerPoint files, cloud files, web pages, EPUB e-books and photos of printed pages (OCR), according to its listing |
| Voices and languages | 370+ voices in 31 languages | 200+ voices in 90+ languages, according to its listing |
| Voice controls | Stability, similarity and speed, with Natural, Narration and Expressive presets | Playback speed from 0.5x to 5x, and tone customised with a prompt, according to its listing |
| Text highlighting | Yes: line and word highlighting | Yes: synchronised word and sentence highlighting |
| Voice changer | Yes: re-voices recordings up to 5 minutes with a library voice | Not mentioned in its listing (it lists voice cloning instead) |
| Study tools | None | AI summaries, AI podcasts and AI quizzes, according to its listing |
| Requires | iOS or iPadOS 16.1 or later | iOS or iPadOS 16.4 or later |
| Paid options (US) | Weekly plans: Starter $6.99, Pro $9.99, Advanced $14.99 | Monthly plans listed at $9.99 (Premium), $20.90 (Plus) and $25.90 (Pro), with yearly plans from $59.99 |
Facts about NaturalReader come from its App Store listing (US store), checked on 12 November 2026. Apps and prices change, so check the listing for the current details. NaturalReader is a trademark of NaturalSoft Limited; Voice Labs is not affiliated with it.
The quickest way to choose between these two apps is to ask where your words are right now.
If they are in a file (a PDF from your course, a contract, a saved article, a page in a textbook), you want an app that can open that file and read it to you. NaturalReader’s listing describes exactly that: PDFs, Word and PowerPoint documents, cloud storage, web pages, e-books, and a camera scanner for printed pages. It adds study tools on top, such as summaries and quizzes.
If they are in your head or your notes (a script you are writing for a video, a story for your children, the narration for tomorrow’s presentation), you want an app built around the performance. Voice Labs gives you a text box, a library of 370+ voices with distinct personalities, and controls for how the line is delivered.
These apps are not really rivals. NaturalReader helps you take words in. Voice Labs helps you put words out. If your work involves both, there is nothing odd about having both on your phone.
FAQ
For studying from documents, NaturalReader. Its listing describes reading PDFs and files aloud, scanning printed pages, and generating summaries and quizzes. Voice Labs is useful to students for a different task: narrating a presentation or a video project.
Voice Labs lets you save your audio or share it to other apps. NaturalReader’s App Store listing says it can download MP3 files for offline listening.
Voice Labs lists 370+ voices in 31 languages. NaturalReader’s listing says 200+ voices in 90+ languages. Voice Labs has more voices; NaturalReader covers more languages.
They bill differently. On the US App Store in November 2026, Voice Labs costs $6.99 to $14.99 per week, and NaturalReader lists monthly plans from $9.99 and yearly plans from $59.99. A single week of Voice Labs costs less than a month of NaturalReader, but if you would use either app all year, NaturalReader’s yearly plans cost less in total.
More comparisons
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Voice Labs vs Speechify on iPhone. One makes voiceovers from scripts; the other reads documents, books and PDFs aloud. See which fits what you need to do.
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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+