ClaroPDF Pro vs Text To Speech
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ClaroPDF Pro
This app transforms PDFs into accessible documents. It allows you to listen to text with synchronized highlighting, annotate PDFs with various tools, and convert image-based PDFs into searchable text. Manage and sync your files across devices for seamless study and productivity.
- Text-to-speech with synchronized highlighting
- PDF annotation tools (highlight, underline, notes)
- Image and PDF image to accessible text conversion
- Background speech playback
- Customizable readability settings
- iCloud synchronization
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ClaroPDF Pro is an accessible, reading and study PDF tool for all. Annotate, mark up, listen to and save PDF files which are then still fully compatible with other popular PDF apps. Have accessible text PDF files spoken back to you with human quality voice & synchronized highlighting. PDF image files or photographs of text can be converted to accessible, searchable PDF files using the Claro Cloud conversion service. + Speech, Productivity and Accessibility Alongside the full range of iOS system voices, ClaroPDF Pro lets you choose up to 4 high-quality voices for free, in the languages of your choice. A ‘Speak in Background’ option lets you listen to a PDF while viewing another app - great for proofreading PDF files while you’re working in other apps. The ‘Speak on tap’ and ‘Stop on tap’ options make speech easy to control. + ClaroPDF allows the background color of the PDF to be changed, and text color inverted, to enhance readability. ClaroPDF fully supports VoiceOver. + Annotations, Notes and Comments ClaroPDF includes a powerful Annotation toolbar that lets you add notes and other comments. These are fully interchangeable with most other popular PDF apps, so your ClaroPDF comments will still be there if you open the PDF on another device. Annotations created in another PDF app can also be viewed and edited. Annotation features include: highlight; underscore; strikeout; notes; free text (type straight into the PDF); free line draw; shapes (circle, square, line - with many options); images (you can even insert photos from your iPad camera or photo library into the PDF file); audio and video. + Photos and Image PDF to Text PDF Conversion You can convert photos and other images to fully accessible text PDF files that can be spoken, searched, copied and highlighted. As well as converting photos, you can also convert any PDF Image file into a fully accessible Text PDF file. Along with making these PDF files accessible and searchable, it will also compress them, reducing file size. 5000 pages and photos can be converted using the 5000 included credits. Further credit can be purchased in app. Photos and Image PDF to Text PDF Conversion in ClaroPDF uses the Claro Cloud conversion service and requires an internet connection. ***Minimum camera spec: 2MP*** + Managing PDF Files PDF files can be opened in ClaroPDF from all other apps, including Mail and Safari. All opened PDF files will be placed in the ClaroPDF Documents List for later viewing. You can also open files from Dropbox, Google Drive, or import files via iTunes. PDF files can be saved into ClaroPDF’s Documents, Dropbox or Google Drive, sent by email, or opened in other apps that support PDF files. The ClaroPDF Documents List is fully customisable, allowing you to organise your PDF files and folders. + Sync with iCloud You can sync ClaroPDF with your iCloud account. This lets you store and synchronize your PDF files and annotations across multiple devices. Sync with iCloud can also act as a document backup so you can keep your documents safe. + Save as PDF Extension The "Save as PDF" Extension lets you convert text and images to PDF files from Safari, Notes, Photos and other apps using the iOS "Share" feature. When converted, these new PDF files will appear in your documents list inside ClaroPDF. + Included Text to Speech Voices Download any 4 of our high quality text to speech voices. Once you have downloaded your free voices, other Nuance Expressive, Acapela and CereProc voices are available to purchase in-app. + Switch Accessibility ClaroPDF responds to switch or Bluetooth keyboard commands: 1 (~1) Start speech 2 (~2) Stop speech 3 (~3) Turn to previous page 4 (~4) Turn to next page + Fullscreen mode Allows the full document to be seen without toolbars in view. Ideal for smaller screens! Need help with ClaroPDF or have any suggestions? Please email support@clarosoftware.com
Text To Speech
Transform any text into spoken audio, creating personalized audiobooks from articles, books, or scanned documents. Enjoy listening in over 40 languages with customizable HD voices and reading speeds.
- Listen to articles, texts, or books as audio
- Supports 40+ languages
- Multiple HD voice options
- Adjustable reading speed
- Scan physical books with camera
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With “Text Reader” you can listen to any texts at any time, when it is convenient for you. Our app will help you easily turn your reading material into interactive audio books. Try it! FEATURE LIST: • Listen to articles, texts or paper books AS AUDIO. • Listen to audio in 40+ languages • Listen to audio with different HD voices • Toggle your reading speed as you see fit. • Scan physical books with your device’s camera and listen to them. Privacy policy: https://webrain.ltd/text-reader-privacy-policy.html Terms of service: https://webrain.ltd/text-reader-terms-conditions.html
Screenshots
Verdict
The clearest difference is price: Text To Speech at Free against ClaroPDF Pro's $9.99. Text To Speech also leads on ratings volume (145 vs 48). ClaroPDF Pro's advantage is review sentiment (51% vs 19%) and rating (4.2 vs 3.9). On ads, in-app purchases, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Text To Speech is free to download; ClaroPDF Pro costs $9.99 up front. ClaroPDF Pro sells 10 one-off in-app purchases and Text To Speech sells 7 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
ClaroPDF Pro holds the better App Store score, 4.2 against 3.9. Both are backed by a comparable volume of ratings — 48 and 145 respectively. Written reviews point the same way: 51% of ClaroPDF Pro's written reviews are positive against 19% of Text To Speech's.
ClaroPDF Pro ships an update every 3 weeks, Text To Speech every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | ClaroPDF Pro | Text To Speech |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.2 (48 ratings) — better | 3.9 (145 ratings) |
| Positive reviews | 51.4% of reviews — better | 18.7% of reviews |
| Number of ratings | 48 | 145 — better |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 147 MB | 82 MB |
| Age rating | 4+ | 4+ |
| Developer | Claro Software Limited | WeBrain |
Customer experience
ClaroPDF Pro
Text To Speech
In-app purchases
ClaroPDF Pro
- JessFree
- 50 Credits$0.99
- Jill$1.99
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- Heather$1.99
- Rod$1.99
- Will$1.99
- Ava$1.99
- Rachel$1.99
- 5000 Credits$3.99
- 500 Credits$8.99
Text To Speech
- Voice Aloud Reader$2.997 Days
- Text Reader3 Days trial$2.997 Days
- Premium Subscription$5.991 Month
Show 4 moreShow fewer
- Text to Speech Reader3 Days trial$5.991 Month
- Audio text reader$7.991 Year
- Premium Subscription$14.991 Year
- Premium Subscription3 Days trial$14.991 Year









