Comparison

String Master vs Convert Case

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

Head to head
About

String Master

Read full description

Welcome to String Master – The Ultimate Text Transformation Tool! Transform the way you work with text using StringMaster, a versatile app designed to cater to all your text formatting needs. Whether you're a social media enthusiast, a professional writer, or just someone who loves playing with words, String Master is the perfect tool for you. Key Features: Multiple Conversion Styles: Choose from a variety of text styles including UPPERCASE, lowercase, Title Case, and the whimsical SpongeBob Case. Perfect for adding flair to social media posts, documents, and presentations. Dark Mode: Enjoy a comfortable text editing experience in any environment with our eye-friendly Dark Mode. Ideal for late-night sessions or working in low-light settings, this feature ensures minimal eye strain. Default Conversion Setting: Personalize your experience by setting your most-used text style as the default conversion. This handy feature saves time and lets you format text in your preferred style instantly. Regular Style Updates: Stay ahead of the curve with regular updates that introduce new and exciting text styles to the app. With String Master, your text will never be dull! User-Friendly Interface: An intuitive and clean interface ensures that text transformation is a breeze. No complicated procedures – just select your text, choose a style, and you're done! String Master is more than just a text conversion tool – it's a way to express yourself creatively and efficiently. Ready to elevate your text game? Download String Master now and start transforming your words into works of art!

About

Convert Case

This utility app quickly transforms text into various formats, including programming cases and fancy fonts. It also offers tools for removing formatting, encoding/decoding text, and syncing content across different functions. The app works offline and supports multiple languages.

Highlights
  • Multiple text case conversions
  • Programming case formatting
  • 20+ Unicode fancy font styles
  • Remove formatting tool
  • Encoder/Decoder (Base64, URL, ROT13)
  • Sync text across tools
  • Offline functionality
Features
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Convert Case transforms your text in seconds. Whether you're writing a professional document, crafting a message, or fixing a copy-paste from the web, Convert Case handles the formatting so you don't have to. Features: - Seven conversion modes: UPPERCASE, lowercase, Sentence case, Capitalized Case, Title Case, aLtErNaTiNg cAsE, and InVeRsE CaSe. - Programming Cases: convert text to camelCase, PascalCase, snake_case, kebab-case, SCREAMING_SNAKE_CASE, or dot.case — built for code identifiers, with a tokenizer that handles spaces, camel humps, uppercase runs (HTMLParser → html_parser), and Unicode letters. - Fancy Fonts: type your text and instantly preview it in 20 Unicode font styles — Script, Fraktur, Double-Struck, Circled, Squared, Small Caps, and more. Copy or share any style with one tap, and favourite the ones you use most. - Remove Formatting tool: strip extra spaces, line breaks, HTML tags, URLs, emojis, em & en dashes, punctuation, numbers, and more — multi-select the cleanup options you need and apply them all at once. - Encoder / Decoder: encode and decode text as Base64, URL percent-encoding, ROT13, UTF-8 hex bytes, HTML entities, binary, and Unicode escapes — pick an encoding, toggle Encode or Decode, and see the result update as you type. - Sync text between tools: paste once and the same text shows up in Home, Fancy Fonts, Remove Formatting, Encoder, and Programming Cases — switch between tools without re-pasting. - Available in 14 languages: English (US/UK), German, Spanish, French, Portuguese, Polish, Italian, Hungarian, Slovenian, Greek, Filipino, Hindi, Turkish, and Ukrainian — with an in-app language picker so you're never stuck with the system default. - Smart locale handling: respects German ß → ẞ, Turkish dotted-I rules, and language-specific small-word lists for proper Title Case in French, German, Spanish, and Italian. - Settings your way: pick your language, choose System / Light / Dark theme, toggle the background notification, auto-copy converted text to your clipboard, sync text between tools, remember text between sessions, and fine-tune the 3000+ built-in proper-noun corrections with your own custom terms. - Background reminder: switch to another app with text waiting and Convert Case will quietly remind you to come back and finish the job — turn it off any time. - Clipboard integration: one-tap paste brings text from any app straight into Convert Case, and one-tap copy sends the result back out. - One-tap sharing: Send converted text directly to messages, email, or social media without switching apps. - Quick-launch shortcuts: long-press the app icon to jump straight into Fancy Fonts, Remove Formatting, Encode / Decode, or Programming Cases without first landing on the home screen. - Works offline: Full functionality without an internet connection, every time. - Simple interface: No learning curve. Open the app, paste your text, pick your format, done. - Download Convert Case and stop wasting time on manual reformatting.

Screenshots

String Master4 screens
Convert Case4 screens

Verdict

The call

The clearest difference is device support: Convert Case at 3 against String Master's 1. Convert Case also leads on iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases 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.

Scorecard2 real differences · 8 level
String Master versus Convert Case: the parameters behind the verdict, then further details
ParameterString MasterConvert Case
PriceFreeFree
Rating—4.7 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequency—Every 3 weeks
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size3 MB21 MB
Age rating4+4+
DeveloperDavid YatesConvert Case Ltd

In-app purchases

None

String Master

No in-app purchases

None

Convert Case

No in-app purchases

Questions

Is String Master free?
String Master is free to download, with no in-app purchases.
Is Convert Case free?
Convert Case is free to download, with no in-app purchases.
Do String Master or Convert Case have ads?
Neither String Master nor Convert Case shows ads.

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