JavaScript Studio vs LionPulse
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Create web apps with JavaScript, CSS, HTML
- Error checking during coding
- Code on your smartphone
- Save code and ideas
- Supports HTML5
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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.
LionPulse
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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
Verdict
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
Both are free to download. LionPulse sells 3 one-off in-app purchases. JavaScript Studio asks for nothing beyond the download.
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.
| Parameter | JavaScript Studio | LionPulse |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 10 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 10.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 33 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Arrowat LLC | LI-YING CHANG |
In-app purchases
JavaScript Studio
No in-app purchases
LionPulse
- A small treat$0.99
- A cup of coffee$2.99
- A box of pastries$9.99
Questions
Is JavaScript Studio free?
Is LionPulse free?
Do JavaScript Studio or LionPulse have ads?
Which is updated more often, JavaScript Studio or LionPulse?
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