Comparison

Speech2Math Calculator vs Smart Math Kids

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

Head to head
About

Speech2Math Calculator

This app converts spoken mathematical commands into expressions for calculation. It offers a wide range of operations and supports numerous languages for voice input. An on-screen keyboard allows for manual editing of expressions.

Highlights
  • Speech to math expression conversion
  • On-screen keyboard for editing
  • Basic and scientific calculator functions
  • Multi-language voice input support
  • Trigonometric and logarithmic functions (PRO)
  • Text-to-speech (TTS) support
Features
Read full description

Speech2Math Calculator translates your speech into mathematical expressions. Speech2Math Calculator is a useful talking voice calculator application, which allows you to calculate easily by speaking. Speech2Math Calculator also has an on-screen keyboard that allows you to edit expressions. Plus, minus, times, divide operations, square, cube square root, power, and factorial operations are available. Scientific calculator features are available. You can select the input speech-language independent from your default device locale and language. Speech to Math Calculator is the only voice calculator which supports all the following languages and TTS (text to speech). Trigonometric functions such as sinus, cosine, tangent, arcsines, arccosine, arctangent, and logarithmic functions are available in the PRO version. Supported Languages: English, French, Spanish, Italian, Arabic, Bulgarian, Catalan, Danish, Greek, Estonian, Persian chandani, Finnish, Hebrew, Hindi, Hungarian, Indonesian, Japanese, Haitian, Korean, Lithuanian, Latvian, malay, Norwegian, Polish, Portuguese, Romanian, Danish, Russian, Slovak, Slovenian, Thai, Turkish, Ukrainian, Urdu, Vietnamese, Chinese.

About

Smart Math Kids

Features
Read full description

"Join the Super Fun Math Voyage with Smart Math Kids: Record & Play!" Unlock the joy of learning with a twist! "Smart Math Kids: Record & Play" is an innovative educational app designed to make math fun, interactive, and personal. With our unique features, children don't just learn—they experience math in a whole new way! Cool Stuff Inside: • Voice Cards: Step into the world of Voice Cards, where traditional flash cards get a modern makeover! Kids can rack up extra points by solving math problems using just their ears—listening to the challenge. And the best part? They'll hear the problems in their very own voice if they've pre-recorded the numbers and commands. It's a fun and interactive way to boost math skills and confidence! • Voice Calculator: It's a talking calculator that repeats numbers in your voice! How cool is that? • Drag and Drop: Solve math problems by dragging and dropping numbers while listening to your own voice guide the way. • Skip Counting: Count by 2s, 5s, 10s with your voice leading the way! It's like hopscotch with numbers! • Bible Verse: Infuse learning with spirituality as kids record and play back their favorite verses for kids. • Themes Galore: Switch between a roaring Dinosaur Theme or a delightful Doll Theme to keep the interface exciting. • Multilingual Mastery: Available in English, Español, Français, Português, Italiano, Korean, Chinese, and Japanese—because math is a universal language! Download "Smart Math Kids: Record & Play" now and give your child the gift of confidence in math. Watch as they improve their skills, enjoy the process, and hear the progress in their very own voice!

Screenshots

Speech2Math Calculator3 screens
Smart Math Kids4 screens

Verdict

The call

The clearest difference is update cadence: Smart Math Kids at weekly against Speech2Math Calculator's every 4 months. Smart Math Kids also leads on iOS requirement (8.0 vs 10.0). On price, ads, in-app purchases 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. Speech2Math Calculator sells 1 one-off in-app purchase and Smart Math Kids sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Speech2Math Calculator ships an update every 4 months, Smart Math Kids weekly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
Speech2Math Calculator versus Smart Math Kids: the parameters behind the verdict, then further details
ParameterSpeech2Math CalculatorSmart Math Kids
PriceFreeFree
Rating2.3 (3 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.08.0 — better
Further details — not scored
Size89 MB144 MB
Age rating4+4+
DeveloperAudiosdroid OUDAC Shepherd Techs Corp

In-app purchases

1 purchases

Speech2Math Calculator

One-time1
  • Speech2Math Calculator PRO$0.99
4 purchases

Smart Math Kids

Subscriptions2
  • 1 Month Subscription$0.991 Month
  • 1 Year Subscription$4.991 Year
One-time2
  • Remove Ads$0.99
  • Premium Access$29.99

Questions

Is Speech2Math Calculator free?
Speech2Math Calculator is free to download, with in-app purchases available.
Is Smart Math Kids free?
Smart Math Kids is free to download, with in-app purchases available.
Do Speech2Math Calculator or Smart Math Kids have ads?
Neither Speech2Math Calculator nor Smart Math Kids shows ads.
Which is updated more often, Speech2Math Calculator or Smart Math Kids?
Speech2Math Calculator ships an update every 4 months, and Smart Math Kids weekly. Most recently, Speech2Math Calculator was updated on November 2, 2026 and Smart Math Kids on November 3, 2026.

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