Comparison

Polymath vs ReadAloud+ Scan Text to Speech

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

Head to head
About

Polymath

This app makes learning math fun for kids by allowing them to unlock worlds and interact with characters as they improve their skills. It offers personalized learning paths and weekly progress reports for parents.

Highlights
  • Personalized math learning algorithm
  • Unlockable game worlds
  • In-world character interaction
  • Weekly parent progress reports
  • Adaptive learning pace
  • Builds math confidence
Read full description

Want to learn maths while having fun? Polymath is a fun world where kids love to practice maths! Kids can unlock worlds and talk to in-world characters as they level up their maths skills. Polymath is perfect for kids who excel at maths and those who struggle, Polymath builds confidence in every child. Polymath is the only maths app that teaches at the pace your child learns whilst also making maths fun. Here’s how Polymath is loved by kids around the world: - It’s personalised: our algorithm learns how your child learns and gives them the questions they’re ready to see, when they’re ready! - It’s fun and engaging: learning should be fun and maths can be too hard for too many kids, our mission is to change that! Polymath is also dedicated to our PARENTS! We believe parents are SO important when it comes to children’s education journeys. That’s why you'll get weekly reports on your child's learning where you can see how your child is progressing, and help support them. Help your child build a love of mathematics today! Read the terms of use here https://polymath.how/terms Read the privacy policy here https://polymath.how/privacy

About

ReadAloud+ Scan Text to Speech

Transform documents into spoken audio using AI voices. Scan text from your camera or photos, and listen at your own pace with natural-sounding AI. Offers summary mode and offline functionality.

Highlights
  • Scan documents with camera or photos
  • AI text recognition for complex layouts
  • Natural AI voices in multiple languages
  • Summary mode for long documents
  • Adjustable playback speed
  • Offline functionality
  • History of recent scans
Features
Read full description

ReadAloud+ turns any document into spoken audio in seconds. Point your camera, scan, and listen — it's that simple. Built low-vision-first: for readers with low vision or dyslexia, students reviewing notes, professionals digesting reports, and anyone who'd rather listen than scroll. HOW IT WORKS - Scan documents with your camera or import from Photos - AI text recognition extracts the text — handles complex layouts, multi-column pages, and curved book pages - Choose a natural voice, hit play, listen at your own pace - Summary mode: get the gist of any long document, read aloud - Adjust playback speed from 0.5x to 2x - Smart cleanup removes headers, footers, and page artifacts - Recent scans stay in History so you can re-listen anytime 12 NATURAL AI VOICES IN 8 LANGUAGES Premium voices that sound real — expressive, distinct, never robotic. Available in English (American and British), Spanish, French, Italian, Portuguese, Hindi, Japanese, and Mandarin. Preview every voice before you choose. Save your favorite per language so switching between documents is seamless. DESIGNED FOR LISTENERS Read by ear, not by eye. Whether you depend on audio for accessibility, multitask while learning, or simply prefer the sound of words, ReadAloud+ is the listening tool that actually keeps up. VoiceOver-friendly throughout, with Dynamic Type and high-contrast support across the app. OFFLINE? STILL WORKS Lost your connection? ReadAloud+ falls back to on-device text recognition and Apple's built-in voices automatically. You can keep scanning and listening even with no signal. 3-DAY FREE TRIAL Try every feature for 3 days at no cost. Then $9.99/month or $79.99/year — no ads, no upsells, no surprises. No voice credits. No per-voice purchases. Cancel anytime in iOS Settings. PRIVACY Documents are ephemeral: we extract the text, generate the audio, and store nothing on our servers. Text recognition is powered by Google Gemini and voices by Inworld; both may retain request data briefly (up to about 90 days) under their policies — the same disclosure shown in the app. We don't sell data, run third-party ad SDKs, or track you across apps. Full policy: https://educatedwishllc.com/privacy Subscriptions auto-renew. Manage in iOS Settings → Apple ID → Subscriptions. Terms of Use (EULA): https://educatedwishllc.com/terms Privacy Policy: https://educatedwishllc.com/privacy

Screenshots

Polymath4 screens
ReadAloud+ Scan Text to Speech4 screens

Verdict

The call

The clearest difference is monetization model: Polymath at free with in-app purchases against ReadAloud+ Scan Text to Speech's subscription. Polymath also leads on iOS requirement (14.0 vs 18.5). ReadAloud+ Scan Text to Speech's advantage is ads (none vs shown) and update cadence (fortnightly vs every 4 months). On price, rating, ratings volume and in-app purchases 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. Polymath sells 1 in-app purchase, starting at $4.99 per month and ReadAloud+ Scan Text to Speech sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Polymath against 5.0 for ReadAloud+ Scan Text to Speech. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

UpkeepUpdate frequency

Polymath ships an update every 4 months, ReadAloud+ Scan Text to Speech fortnightly. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
Polymath versus ReadAloud+ Scan Text to Speech: the parameters behind the verdict, then further details
ParameterPolymathReadAloud+ Scan Text to Speech
PriceFreeFree
Rating5.0 (2 ratings)5.0 (3 ratings)
Positive reviews100.0% of reviews—
Number of ratings23 — better
Update frequencyEvery 4 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better18.5
Further details — not scored
Size29 MB25 MB
Age rating4+4+
DeveloperCeladon AI LimitedEducated Wish

Customer experience

Polymath

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ReadAloud+ Scan Text to Speech

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Polymath

Subscriptions1
  • Polymath+17 Days trial$4.991 Month
2 purchases

ReadAloud+ Scan Text to Speech

Subscriptions2
  • Premium Monthly3 Days trial$9.991 Month
  • Premium Yearly3 Days trial$79.991 Year

Questions

Is Polymath free?
Polymath is free to download, with in-app purchases available.
Is ReadAloud+ Scan Text to Speech free?
ReadAloud+ Scan Text to Speech is free to download, with in-app purchases available.
Which has better reviews, Polymath or ReadAloud+ Scan Text to Speech?
Polymath and ReadAloud+ Scan Text to Speech are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.
Do Polymath or ReadAloud+ Scan Text to Speech have ads?
Polymath shows ads; ReadAloud+ Scan Text to Speech does not.
Which is updated more often, Polymath or ReadAloud+ Scan Text to Speech?
Polymath ships an update every 4 months, and ReadAloud+ Scan Text to Speech fortnightly. Most recently, Polymath was updated on October 24, 2026 and ReadAloud+ Scan Text to Speech on October 24, 2026.

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