Comparison

Synthy vs B

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Synthy

Transform documents, books, and web content into audio with advanced text-to-speech technology. Scan physical documents or import digital files and listen to them read aloud with natural-sounding AI voices. Adjust playback speed and enjoy background listening for a seamless audio experience.

Highlights
  • Scan and read documents
  • Text to speech with AI voices
  • Adjustable reading speed
  • Import files and web links
  • Background listening mode
  • Type and listen functionality
Features
Read full description

Introducing Synthy — Your Ultimate Audio Books & Reading App! Do you have a mountain of documents, books, or material to read but no time? Synthy is the perfect PDF reader, text to speech tool, and voice aloud reader to save your day! Simply scan and read, upload text, document or web-link and listen to any text aloud. Whether it’s book reading, articles, or newspapers, our app reads everything for you with natural TTS voices. Key Features of Synthy: Text to Speech & Voice Reader Transform any text into audio! Use your phone’s camera to scan and read books (PDF, EPUB, DOCX, etc.), and let Synthy read text aloud like a personal audio book reader. Perfect for multitasking or book reading on the go! Realistic AI Voices for Document Reader No more robotic sounds! Enjoy voice reader technology with lifelike voices. Whether for PDF read aloud, screen reader tasks, or reading apps, Synthy adapts to your style. Adjustable Speed Reading App Customize pacing for read aloud comfort. Speed up for quick reviews or slow down to savor content—ideal for audio books and document reader needs. Type & Listen with Voice Aloud Reader Need to read text aloud from notes? Type anything, and Synthy will turn text to voice instantly. Great for students and professionals! Import Files & Web Content Import PDFs, eBooks, or links—Synthy acts as a screen reader for all formats. Even online articles become audio books with our TTS! Background Mode Keep listening while your phone is locked. A must-have for book reading fans and voice reader enthusiasts! Why Choose Synthy? More than a PDF reader or text to speech tool, Synthy is your all-in-one voice aloud reader and audio book reader. Whether for scan and read convenience, read aloud flexibility, or document reader functionality. Book reading lovers Professionals needing PDF read aloud Anyone who wants a screen reader or voice reader to speak for me effortlessly! Privacy policy: https://speechie.app/privacy.html Terms of use: https://speechie.app/terms.html Support: • Email: support@speechie.app • FAQ: https://speechie.app/faq.html

About

B

This app generates narrative prompts using animated dice rolls to inspire creative storytelling. It offers themed decks, multiplayer modes, and daily challenges to enhance writing and imaginative play. Progress is saved locally, and prompts can be exported for sharing.

Highlights
  • Animated dice rolls
  • Narrative prompt generation
  • Themed and custom dice decks
  • Multiplayer storytelling mode
  • Daily creative challenges
  • Local progress saving
  • Prompt export options
Features
Read full description

B - Dice is a creative storytelling companion. Roll one to six animated dice, get instant narrative prompts, and turn them into stories — alone, with friends, or in the classroom. HOW IT WORKS Choose how many dice to roll (1–6) Tap Roll — each die gives a prompt: Character, Place, Object, Action, Emotion, or Plot Twist Tell your story using the prompts Save the combination, share it, or start a new session THEMED DECKS Go beyond the classic set with Fantasy, Sci-Fi, Horror, Romance, and Mystery decks — or build your own custom deck with personal prompts. PLAY TOGETHER Set up 2–6 players, optional turn timers, and score points as you take turns rolling and storytelling. PROGRESS & MOTIVATION • Daily challenge with a fresh prompt every day • Play streaks and weekly activity • 12 local achievements to unlock • All progress saved on your device SHARE YOUR SESSION Export prompts as a polished image card or plain text — perfect for group chats, social media, or classroom handouts. BUILT FOR CREATIVITY • Satisfying dice animations and haptic feedback • Light and dark mode • Clean, readable design on iPhone and iPad • 100% offline — no account, no ads, no tracking Perfect for writers beating block, teachers warming up a class, game masters improvising scenes, families on road trips, and anyone who loves “what happens next?” B Dice Gen stores your saved stories and progress locally on your device. You choose when to share.

Screenshots

Synthy4 screens
B3 screens

Verdict

The call

The clearest difference is rating: Synthy at 4.2 against B's 1.0. Synthy also leads on ratings volume (385 vs 1). B's advantage is in-app purchases (none vs 7) and iOS requirement (13.0 vs 16.6). On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Synthy sells 7 in-app purchases, starting at $4.99 per 7 days. B asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Synthy holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: Synthy has 385 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Synthy ships an update monthly, B every 3 weeks. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Synthy versus B: the parameters behind the verdict, then further details
ParameterSynthyB
PriceFreeFree
Rating4.2 (385 ratings) — better1.0 (1 ratings)
Positive reviews81.3% of reviews—
Number of ratings385 — better1
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPod — better
Requires iOS16.613.0 — better
Further details — not scored
Size213 MB23 MB
Age rating4+4+
DeveloperDating onlain, oooSiti Fatimah

Bugs and requests

Synthy

Reported bugs

4 issues
  • Scanning issues with page breaks
  • Playback pauses at paragraph ends
  • Inconsistent text recognition
  • Subscription cancellation problems

Requested features

5 requests
  • Highlight and annotate text
  • Background playback with screen lock
  • More language and voice options
  • Improved OCR accuracy
  • Easier file management and organization

B

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Synthy

Subscriptions7
  • Synthy Scan & Read Premium$4.997 Days
  • Endless Listening with Synthy$5.991 Month
  • Endless Listening with Synthy$9.991 Month
Show 4 more
  • Endless Listening with Synthy3 Days trial$12.991 Month
  • Three months$34.993 Months
  • 6 month premium3 Days trial$49.996 Months
  • Synthy Premium3 Days trial$79.991 Year
None

B

No in-app purchases

Questions

Is Synthy free?
Synthy is free to download, with in-app purchases available.
Is B free?
B is free to download, with no in-app purchases.
Which has better reviews, Synthy or B?
Synthy is rated higher. Synthy averages 4.2 out of 5 from 385 ratings, while B averages 1.0 from 1 ratings.
Do Synthy or B have ads?
Neither Synthy nor B shows ads.
Which is updated more often, Synthy or B?
Synthy ships an update monthly, and B every 3 weeks. Most recently, Synthy was updated on November 3, 2026 and B on October 24, 2026.

Other comparisons