TED Talks vs Speech2Math Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TED Talks
Access thousands of inspiring and informative videos on a wide range of topics. Get personalized recommendations, watch with subtitles in over 100 languages, and download content for offline viewing. Stay curious and informed with this educational resource.
- Personalized recommendations
- Subtitles in over 100 languages
- Browse by topic or curator picks
- Stream to Apple TV with AirPlay
- Download videos for offline viewing
- Watchlist for later
- Surprise Me! feature
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Get personalized recommendations that match your unique interests, or browse TED’s library of thousands of inspiring, informative, transformational videos for free. Features on iPhone, iPad and iPod touch: ・Sign in to get personalized recommendations and sync videos across all your devices ・Watch videos with subtitles in over 100 languages ・Check out the newest and trending videos, browse by topic, or select from our curators’ picks ・Stream videos to your Apple TV with AirPlay ・Download videos to watch offline ・Add talks your list to watch later ・Toggle between dark mode or light modes ・Get instant inspiration with the “Surprise Me!” feature Get the TED app to stay curious, informed and inspired.
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.
- 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
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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.
Screenshots
Verdict
The clearest difference is review sentiment: TED Talks at 44% against Speech2Math Calculator's 0%. TED Talks also leads on rating (4.6 vs 2.3) and in-app purchases (none vs 1). Speech2Math Calculator's advantage is iOS requirement (10.0 vs 16.4). On price, ads, 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
Both are free to download. Speech2Math Calculator sells 1 one-off in-app purchase. TED Talks asks for nothing beyond the download.
TED Talks holds the better App Store score, 4.6 against 2.3. That said, the two scores are not equally well evidenced: TED Talks has 10K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 44% of TED Talks's written reviews are positive against 0% of Speech2Math Calculator's.
TED Talks ships an update fortnightly, Speech2Math Calculator every 4 months. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.
| Parameter | TED Talks | Speech2Math Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (10K ratings) — better | 2.3 (3 ratings) |
| Positive reviews | 43.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 10K — better | 3 |
| Update frequency | Fortnightly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, iPod |
| Requires iOS | 16.4 | 10.0 — better |
| Further details — not scored | ||
| Size | 178 MB | 89 MB |
| Age rating | 12+ | 4+ |
| Developer | TED Conferences LLC | Audiosdroid OU |
Customer experience
TED Talks
Speech2Math Calculator
Bugs and requests
TED Talks
Reported bugs
5 issues- App crashes frequently
- Videos fail to load or play
- Saved talks disappear from user's list
- Syncing issues with user accounts
- Compatibility problems with newer iOS versions
Requested features
5 requests- Add ability to create and manage playlists
- Implement background audio playback
- Improve Chromecast support
- Add more customization options (e.g., video playback speed, dark mode)
- Enhance discoverability of new and relevant content
Speech2Math Calculator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
TED Talks
No in-app purchases
Speech2Math Calculator
- Speech2Math Calculator PRO$0.99
Questions
Is TED Talks free?
Is Speech2Math Calculator free?
Which has better reviews, TED Talks or Speech2Math Calculator?
Do TED Talks or Speech2Math Calculator have ads?
Which is updated more often, TED Talks or Speech2Math Calculator?
Other comparisons
