Comparison

Forsta SDK vs Navlipi Keyboard

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

Head to head
About

Forsta SDK

Features
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The Forsta Mobile SDK can empower your mobile app to easily gather user feedback when it matters the most.

About

Navlipi Keyboard

Features
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NAVLIPI World’s first practical phonemic (also phonetic) alphabet, based on Latin alphabet. See: https://navlipi.org All languages Superscripts on some keys: E (English); M (Mandarin); T (Tamil); A (Arabic); Dewanaagari letter. Long vowels by reduplication: Short i, u -> Long ii, uu, etc; aa an exception. Common vowels • aa English father, Hindi आ • Ω English ball, vowel in Hindi कौन • ɔ (inverted-c) English Jack, vowel in Hindi मै • q English about, 2nd vowel in Hindi यन्त्र • a English but, Hindi अ • e English bet; ee fair, vowel in Hindi है; ε English gray, Hindi ए, Spanish que • y French tu, German ȕber; o// feuille; o/ German schön Common non-vowels (consonants) • j English yes, Hindi य • ƪ (inverted-j) English Jack, Hindi ज • c Spanish chica, Hindi च • Aspiration (महाप्राण): Add hₒ to letter being aspirated. Thus, k (Hindi क), p (Hindi प) to khₒ (ख), phₒ (फ) • Fricatization (hissing sound): Add h₀. Except: x for velar unvoiced fricative (Scots loch, Hindi/Faarsi ख्वाब) • ƹ for voiced velar fricative, Hindi/Faarsi ग.म • sh₀ English shoot, Hindi श; zh₀ English pleasure Nasals • As tilde symbol (~), or with n₀₀, m₀₀; place after syllable. Thus, Hindi हाां, French mon, Portuguese Saõ -> haa~ (haan₀₀), mo~ (mon₀₀), Saao~ (Saaon₀₀) • Velar, nasals nₒ (Dewanaagari ङ, English king -> kinₒg); palatal η (Dewanaagari ञ, English inch iηc) Upper-, lower- case letters ARE distinguished. Specific languages English, West European, Russian languages • Alveolar t- , d as ŧŧ (or just tt ), đt (or just dt) • Unvoiced, voiced dental fricatives: English thin -> th₀in, this -> dh₀is Hindi, other Indian languages • Retroflex (मूर्धन्त्य) non-vowels (ट, ठ, ड, ढ, ण) ŧ, ŧhₒ, đ, đhₒ, n • Flaps add dot (.). Thus ट. ड. ण. become ŧ. đ. n. • Vowel r-sound (ऋ): ȓ • Wisarga: as colon (:) • Diphthongs ऐ, औ, if actual diphthongs: aaε, aau. But these frequently pronounced as vowels ( cf. मै, है, कौन ) • Retroflex Tamil l-like sound (zh in Latin transcription) as r Arabic • Unvoiced uvular k-sound (q in Latin transcription): k.. • Pharyngealized (faucal) dental t-, d- as t.., d.. Mandarin • 4 standard tones: leftmost 4 keys in top row of 3rd Navlipi keyboard. Placed after syllable having tone • hs-sound (x in Latin transcription, Xie Xie, “thank you”): ŧŧh₀ Select African languages • “Velarized” bilabials kp, gb • Initial nasals as n₀₀, m₀₀. E.g. Ngoma, Mbeki as N₀₀gomaa, M₀₀bƐki Phonemic renditions Hindi • vw for both v, w sounds in Hindi • f, ph-sounds, jointly as ph₈ English • pₒ for both p and ph (aspirated-p) • ttₒ for alveolar t, th-sounds Standard French, Hochdeutsch • xr for both “throaty-r”, “rolled-r” Mandarin • Both p-, b-sounds, as b∞ • Both alveolar t, d-sounds as d∞ Tamil • Both dental t, th sounds as tₒ

Screenshots

Forsta SDK3 screens
Navlipi Keyboard3 screens

Verdict

The call

The clearest difference is update cadence: Forsta SDK at every 3 months against Navlipi Keyboard's every 8 months. Forsta SDK also leads on iOS requirement (16.0 vs 18.0). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Forsta SDK ships an update every 3 months, Navlipi Keyboard every 8 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 4 level
Forsta SDK versus Navlipi Keyboard: the parameters behind the verdict, then further details
ParameterForsta SDKNavlipi Keyboard
PriceFreeFree
Update frequencyEvery 3 months — betterEvery 8 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size24 MB1 MB
Age rating4+4+
DeveloperForsta, Inc.Navlipi.org

In-app purchases

None

Forsta SDK

No in-app purchases

None

Navlipi Keyboard

No in-app purchases

Questions

Is Forsta SDK free?
Forsta SDK is free to download, with no in-app purchases.
Is Navlipi Keyboard free?
Navlipi Keyboard is free to download, with no in-app purchases.
Do Forsta SDK or Navlipi Keyboard have ads?
Neither Forsta SDK nor Navlipi Keyboard shows ads.
Which is updated more often, Forsta SDK or Navlipi Keyboard?
Forsta SDK ships an update every 3 months, and Navlipi Keyboard every 8 months. Most recently, Forsta SDK was updated on November 2, 2026 and Navlipi Keyboard on November 3, 2026.

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