Comparison

Chemistry Keyboard vs TextMojify

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

Head to head
About

Chemistry Keyboard

Easily input chemical formulas with specialized superscript, subscript, and arrow characters. Access lowercase Greek letters and other chemistry-related Unicode symbols. This keyboard extension works offline and includes a demo for viewing Wikipedia data.

Highlights
  • Superscript characters
  • Subscript characters
  • Arrow glyphs
  • Lowercase Greek characters
  • Chemistry Unicode characters
  • Offline functionality
  • Wikipedia data lookup demo
Features
Currently charting
Read full description

The Chemistry Keyboard is a specialized Keyboard Extension for anyone who needs to enter chemical formulae. Ever need to input Hg²⁺+2 I⁻ on your phone and can't figure out how to get those nice superscript or subscript 2s. Or proper arrow glyphs? Quickly generate superscripts: ⁰ ¹ ² ³ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ⁽ ⁾ ⁺ ⁻, subscripts: ₀ ₁ ₂ ₃ ₄ ₅ ₆ ₇ ₈ ₉ ₍ ₎ ₊ ₋, and arrows. lowercase Greek characters available in landscape mode. and other chemistry related Unicode characters. The app itself demonstrates the keyboard's use by allowing text entry and looking up data from Wikipedia. Unlike many keyboard extensions, this keyboard does not require network access. It's entirely self contained.

About

TextMojify

Features
Read full description

TextMojify — Say it in emoji. Type any phrase and TextMojify turns the words it recognizes into emoji, instantly. Decode works the other way too: paste a string of emoji and get the plain-English meaning back. Everything runs on your device, so it's quick and keeps working without a signal — on the subway, on a plane, anywhere. No account, no sign-up, no email required. WHAT YOU CAN DO • Emojify — Type a sentence and watch it transform into expressive emoji. • Decode — Got an emoji text you can't read? Paste it and get the words back. • Make it yours — Add your own word-to-emoji shortcuts that stick. • Themes — Same words, different vibe. Switch between styles like Default and Pirate. • History — Every emoji string you copy is saved, one tap to re-copy. RIGHT FROM YOUR KEYBOARD Add the TextMojify keyboard and emojify text in any app, without switching back and forth. There's also a TextMojify iMessage app, so you can translate and drop emoji straight into a conversation. Fast, on-device, and built to make your messages more fun.

Screenshots

Chemistry Keyboard3 screens
TextMojify4 screens

Verdict

The call

The clearest difference is price: TextMojify at Free against Chemistry Keyboard's $1.99. TextMojify also leads on update cadence (every 3 days vs every 6 months). Chemistry Keyboard's advantage is in-app purchases (none vs 3) and chart position (#180 vs unranked). On ads and iOS requirement 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

TextMojify is free to download; Chemistry Keyboard costs $1.99 up front. TextMojify sells 3 one-off in-app purchases. Chemistry Keyboard asks for nothing beyond the download.

UpkeepUpdate frequency

Chemistry Keyboard ships an update every 6 months, TextMojify every 3 days. The most recent releases landed on October 18, 2026 and October 1, 2026 respectively.

Scorecard5 real differences · 6 level
Chemistry Keyboard versus TextMojify: the parameters behind the verdict, then further details
ParameterChemistry KeyboardTextMojify
Price$1.99Free — better
Rating4.6 (17 ratings) — better—
Positive reviews87.5% of reviews—
Number of ratings17 — better—
Update frequencyEvery 6 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
Best chart rank#180 — better—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.0
Further details — not scored
Size9 MB93 MB
Age rating4+17+
DeveloperGenerally Helpful SoftwareKeith Abdulla

In-app purchases

None

Chemistry Keyboard

No in-app purchases

3 purchases

TextMojify

One-time3
  • espresso$1.99
  • matcha$3.99
  • hojicha with salted cream$5.99

Questions

Is Chemistry Keyboard free?
Chemistry Keyboard costs $1.99, with no in-app purchases.
Is TextMojify free?
TextMojify is free to download, with in-app purchases available.
Do Chemistry Keyboard or TextMojify have ads?
Neither Chemistry Keyboard nor TextMojify shows ads.
Which is updated more often, Chemistry Keyboard or TextMojify?
Chemistry Keyboard ships an update every 6 months, and TextMojify every 3 days. Most recently, Chemistry Keyboard was updated on October 18, 2026 and TextMojify on October 1, 2026.

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