Comparison

IPA Phonetic Keyboard vs Formalize Light

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

Head to head
About

IPA Phonetic Keyboard

This free keyboard provides easy access to all IPA and extended IPA symbols. Its intuitive layout mirrors the IPA chart, making symbol input fluid and efficient for linguists, language learners, and enthusiasts.

Highlights
  • Full IPA chart (2020) symbols
  • ExtIPA chart (2016) symbols
  • Organized symbol sections
  • Intuitive symbol layout
  • Convenient input for common characters
  • Completely free, no ads
Read full description

Behold the first completely FREE IPA keyboard on the App Store designed for linguists, language learners, and hobbyists. It is designed to be lightweight and fluid, matching up to the user experience of the system emoji keyboard. =FEATURES= - Includes ALL symbols on the newest standard IPA chart (2020 ver.) - Includes most symbols (the ones available in Unicode) on the newest standard extIPA chart (2016 ver.) - Symbols are divided into sections just like the IPA chart(-duh!): consonants, non-pulmonic, other symbols, vowels, suprasegmentals, tones and word accents, and diacritics - Symbols are arranged naturally, with a layout designed for you to find the symbols you want more quickly (especially the vowels, it's cleverly designed to match the layout on the IPA chart) - Convenient input for "[]", "//", "~", "◌", space, and return on the top of the keyboard - Completely free, NO ADS =EXTERNAL LINKS= For more information on IPA (International Phonetic Alphabet), refer to https://en.wikipedia.org/wiki/International_Phonetic_Alphabet The developer, Vince14Genius's GitHub: https://www.github.com/Vince14Genius/

About

Formalize Light

This utility app provides a keyboard extension for typing mathematical formulas on iOS devices. It offers easy access to over 100 symbols and generates professionally typeset equations that can be converted to TeX.

Highlights
  • Mathematical keyboard extension
  • Over 100 symbols
  • One-handed access
  • Professionally typeset formulas
  • Convert formulas to TeX
  • Insert formulas into any app
Features
Read full description

Do you wish you could properly type math on your iPhone or iPad? With Formalize, you can! Formalize is a keyboard extension for mathematical content. It provides intuitive one-handed access to more than 100 symbols and produces professionally typeset formulas. Easily convert your formulas to PNG* or TeX and insert them anywhere, in any app! * Not available in Formalize Light

Screenshots

IPA Phonetic Keyboard4 screens
Formalize Light1 screens

Verdict

The call

The clearest difference is review sentiment: IPA Phonetic Keyboard at 92% against Formalize Light's 17%. IPA Phonetic Keyboard also leads on rating (4.5 vs 2.3) and ratings volume (172 vs 4). Formalize Light's advantage is in-app purchases (none vs 3) and iOS requirement (10.3 vs 14.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. IPA Phonetic Keyboard sells 3 one-off in-app purchases. Formalize Light asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

IPA Phonetic Keyboard holds the better App Store score, 4.5 against 2.3. That said, the two scores are not equally well evidenced: IPA Phonetic Keyboard has 172 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 92% of IPA Phonetic Keyboard's written reviews are positive against 17% of Formalize Light's.

UpkeepUpdate frequency

IPA Phonetic Keyboard ships an update every 4 months, Formalize Light every 12 months. The most recent releases landed on September 17, 2026 and June 10, 2026 respectively.

Scorecard6 real differences · 4 level
IPA Phonetic Keyboard versus Formalize Light: the parameters behind the verdict, then further details
ParameterIPA Phonetic KeyboardFormalize Light
PriceFreeFree
Rating4.5 (172 ratings) — better2.3 (4 ratings)
Positive reviews92.0% of reviews — better16.7% of reviews
Number of ratings172 — better4
Update frequencyEvery 4 months — betterEvery 12 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.010.3 — better
Further details — not scored
Size2 MB62 MB
Age rating4+4+
DeveloperVincent CaiBen Hambrecht

Customer experience

IPA Phonetic Keyboard

All ratings172 ratings
Positive89.5%
Neutral2.3%
Negative8.1%
Written reviews125 reviews
Positive92.0%
Neutral3.2%
Negative4.8%

Formalize Light

All ratings4 ratings
Positive25.0%
Neutral25.0%
Negative50.0%
Written reviews6 reviews
Positive16.7%
Neutral33.3%
Negative50.0%

Bugs and requests

IPA Phonetic Keyboard

Reported bugs

2 issues
  • Vowel [ʁ] displays incorrectly
  • Keyboard disappears after switching, requiring settings access to re-enable

Requested features

4 requests
  • Add angle brackets and parentheses for orthographic notation
  • Implement a 'frequently used' section for common symbols
  • Allow users to rearrange the keyboard layout
  • Add support for laryngeal notation in Proto-Indo-European

Formalize Light

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

IPA Phonetic Keyboard

One-time3
  • Donation: Buy me a drink$2.99
  • Obsolete/Non-Standard Symbols$5.99
  • Donation: Buy me a meal$9.99
None

Formalize Light

No in-app purchases

Questions

Is IPA Phonetic Keyboard free?
IPA Phonetic Keyboard is free to download, with in-app purchases available.
Is Formalize Light free?
Formalize Light is free to download, with no in-app purchases.
Which has better reviews, IPA Phonetic Keyboard or Formalize Light?
IPA Phonetic Keyboard is rated higher. IPA Phonetic Keyboard averages 4.5 out of 5 from 172 ratings, while Formalize Light averages 2.3 from 4 ratings.
Do IPA Phonetic Keyboard or Formalize Light have ads?
Neither IPA Phonetic Keyboard nor Formalize Light shows ads.
Which is updated more often, IPA Phonetic Keyboard or Formalize Light?
IPA Phonetic Keyboard ships an update every 4 months, and Formalize Light every 12 months. Most recently, IPA Phonetic Keyboard was updated on September 17, 2026 and Formalize Light on June 10, 2026.

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