UltraStop vs Kasha Amplifiers
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
UltraStop
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A high-performance stopwatch app designed for tasks requiring ultra-precise time measurement. It measures time down to milliseconds and microseconds with exceptional accuracy, making it perfect for experiments, sports, programming tests, and more. With an intuitive interface, anyone can effortlessly record precise timings.
Kasha Amplifiers
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Kasha Amplifiers, Inc started out in the back of a music store called ABK Rocks located in San Fernando Valley in the early 80โs. John Kasha was the amplifier tech and was L.As amp mod guy to many famous artists and bands of that time. John designed the first all tube guitar preamp called the Rockmod which gave birth to Kasha Amplifiers. ABK was a mThis application will required Kasha Amplifier device in order to able to work. The app will connect to Applifier wifi and work together.This application will required Kasha Amplifier device in order to able to work. The app will connect to Applifier wifi and work together.usic store that musicians from all over LA went for gear and music lessons. Many musicians from Jake E Lee (Badlands), Craig Goldie (DIO), Jennifer Batten (Michael Jackson), Chris Impellitteri and many more came to this store for the Kasha Mod. The mod was so popular with 80s hard rock bands, it became known as the Rockmod. Later John created the first all tube preamp called Rockmod I, II and now III. George Lynch (Lynch Mob), Paul Jackson Jr. (Michael Jackson), Dan Huff (Giant), Tracy Guns became big fans. It was and still is the best preamp money can buy and received 5 stars from Guitar Player and Guitar World magazines. IMPORTANT: This application required Kasha Amplifier device.
Screenshots
Verdict
The clearest difference is update cadence: Kasha Amplifiers at every 2 months against UltraStop's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
UltraStop ships an update every 12 months, Kasha Amplifiers every 2 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.
| Parameter | UltraStop | Kasha Amplifiers |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Every 2 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 โ better | 15.1 |
| Further details โ not scored | ||
| Size | 22 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | JUHWAN LEE | Kasha Amplifiers Inc |
In-app purchases
UltraStop
No in-app purchases
Kasha Amplifiers
No in-app purchases
Questions
Is UltraStop free?
Is Kasha Amplifiers free?
Do UltraStop or Kasha Amplifiers have ads?
Which is updated more often, UltraStop or Kasha Amplifiers?
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