IPA Keyboard vs 3lines.org
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IPA Keyboard
Easily input phonetic transcriptions with a comprehensive keyboard featuring all International Phonetic Alphabet symbols and diacritics. Ideal for linguists, language learners, and public speakers needing to note pronunciations accurately. Share transcriptions directly with others or save them to note-taking apps.
- Full IPA symbol set
- Includes all sounds and diacritics
- Usable in other applications
- Share transcriptions
- Supports phonetic transcription
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A complete International Phonetic Alphabet (including all sounds and diacritics) keyboard which CAN BE USED IN OTHER APPS. If you are a linguist, actor, presenter, public speaker or simply learn a foreign language, you often have to deal with phonetic transcription to note down the pronunciations of words and phrases. Use the app to enter a transcription of a piece of text and share it with friends or colleagues or send it to Evernote. From now on, you are able to start use your device for transcription purposes. Symbol set: The keyboard contains a complete set of symbols from the IPA chart. If there are any missing IPA chart symbols, please contact us via e-mail and we will add them as soon as possible.
3lines.org
Convert Chinese ePub files and web pages into a three-line format, adding romanization and translation. The converted documents can be saved as PDFs or copied for further use.
- ePub to three-line conversion
- Add romanization (pinyin, Sidney Lau, Yale)
- Add native language translation (English, Spanish)
- Convert to PDF
- Paste Chinese text
- Import from URL
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Import ePub files that are in Simplified or Traditional Chinese and then have them converted to add a romanization line (pinyin, Sidney Lau, Yale), and a native language line (English, Spanish). The document can then be converted to PDF. It is also possible to copy Chinese text and paste it into the app. In addition, you can copy a URL from the Safari web browser, and paste in the URL to pull up the entire web page in the app and then convert it to 3 lines.
Screenshots
Verdict
The clearest difference is price: 3lines.org at Free against IPA Keyboard's $1.99. 3lines.org also leads on rating (4.6 vs 3.3) and review sentiment (85% vs 45%). 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
3lines.org is free to download; IPA Keyboard costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
3lines.org holds the better App Store score, 4.6 against 3.3. Both are backed by a comparable volume of ratings — 17 and 66 respectively. Written reviews point the same way: 45% of IPA Keyboard's written reviews are positive against 85% of 3lines.org's.
IPA Keyboard ships an update every 4 months, 3lines.org every 4 days. The most recent releases landed on November 4, 2026 and November 2, 2026 respectively.
| Parameter | IPA Keyboard | 3lines.org |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 3.3 (17 ratings) | 4.6 (66 ratings) — better |
| Positive reviews | 45.2% of reviews | 84.8% of reviews — better |
| Number of ratings | 17 | 66 — better |
| Update frequency | Every 4 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 | 9.0 |
| Further details — not scored | ||
| Size | 7 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | Dawid Pietrala | Jon Hargett |
Customer experience
IPA Keyboard
3lines.org
In-app purchases
IPA Keyboard
No in-app purchases
3lines.org
No in-app purchases
Questions
Is IPA Keyboard free?
Is 3lines.org free?
Which has better reviews, IPA Keyboard or 3lines.org?
Do IPA Keyboard or 3lines.org have ads?
Which is updated more often, IPA Keyboard or 3lines.org?
Other comparisons
