Comparison

JavaScript Studio vs LionPulse

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

Head to head
About

JavaScript Studio

Build web applications directly on your smartphone using JavaScript, CSS, and HTML. This tool offers error checking as you code, ensuring you don't lose your ideas. It's designed for developers who need to write code on the go.

Highlights
  • Create web apps with JavaScript, CSS, HTML
  • Error checking during coding
  • Code on your smartphone
  • Save code and ideas
  • Supports HTML5
Features
Read full description

Use your JavaScript, CSS, html skills to create apps wherever you go. These days many of us we use a smartphone anytime, as a developers sometimes we write code using some text editor to save it, for this reason I developed JavaScript Studio app a smart app that works on your phone, With JavaScript Studio you can create web apps by writing JavaScript code, CSS, Html, Html5. Error Checking? Yes, JavaScript Studio will help on it while coding by inserting a simple comment text. Never Miss any code and idea again Use JavaScript Studio. ARROWAT™ JavaScript Studio.

About

LionPulse

Read full description

LionTuner is a tuner + metronome + song speed trainer built for daily practice. Completely free, no ads. ■ Chromatic + 7 instruments Guitar, bass, ukulele, violin, viola, cello, mandolin presets, plus a chromatic mode for everything else. YIN-based pitch detection accurate to ±1 cent. ■ Metronome with custom sounds Per-beat strength control (accent / normal / soft / mute) for every sub-beat, up to 16th-note subdivisions. Import your own click samples from any audio file. ■ Song Speed Trainer (new) Import your own songs and slow them from 10% to 300% — the pitch stays the same. Automatic BPM detection, and an optional metronome click you can practise along with (choose the time signature, subdivision, and sound). Loops, and plays in the background. ■ Practice timer 5-minute to 1-hour sessions with an optional 5-second countdown, configurable loop count and rest gaps. Auto-starts and stops the metronome. ■ Background playback Look at your sheet music in another app while the metronome/song keeps playing. Control it from the Lock Screen, Control Center, or paired headphones. Privacy: all audio is processed on your device and never uploaded.

Screenshots

JavaScript Studio4 screens
LionPulse4 screens

Verdict

The call

The clearest difference is in-app purchases: JavaScript Studio at none against LionPulse's 3. JavaScript Studio also leads on iOS requirement (10.0 vs 16.0). LionPulse's advantage is update cadence (every 3 weeks vs every 10 months). On price, ads 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. LionPulse sells 3 one-off in-app purchases. JavaScript Studio asks for nothing beyond the download.

UpkeepUpdate frequency

JavaScript Studio ships an update every 10 months, LionPulse every 3 weeks. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
JavaScript Studio versus LionPulse: the parameters behind the verdict, then further details
ParameterJavaScript StudioLionPulse
PriceFreeFree
Rating4.9 (8 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings8 — better—
Update frequencyEvery 10 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS10.0 — better16.0
Further details — not scored
Size33 MB17 MB
Age rating4+4+
DeveloperArrowat LLCLI-YING CHANG

In-app purchases

None

JavaScript Studio

No in-app purchases

3 purchases

LionPulse

One-time3
  • A small treat$0.99
  • A cup of coffee$2.99
  • A box of pastries$9.99

Questions

Is JavaScript Studio free?
JavaScript Studio is free to download, with no in-app purchases.
Is LionPulse free?
LionPulse is free to download, with in-app purchases available.
Do JavaScript Studio or LionPulse have ads?
Neither JavaScript Studio nor LionPulse shows ads.
Which is updated more often, JavaScript Studio or LionPulse?
JavaScript Studio ships an update every 10 months, and LionPulse every 3 weeks. Most recently, JavaScript Studio was updated on September 29, 2026 and LionPulse on October 7, 2026.

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