EDLM vs Rockloops
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
EDLM
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>>> Check out the demo videos at onyx3.com/EDLM E-Drum Latency Meter was developed specifically for measuring latency in electronic drums. The app uses an audio adapter to connect to the input and output points of an e-drum system and provides automated and accurate latency measurements. EDLM app sends a trigger pulse to the module while simultaneously recording and waiting for the drum sound to arrive. It then calculates and stores the time difference between the two moments. This cycle is continuously repeated at different intervals as the accumulated data is used to estimate the average latency and jitter amounts. The app requires an external audio adapter or interface.
Rockloops
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Rockloops is a very simple and intuitive drum player with 13 rock different styles ready for playing in your device. It has a variable BPM, so you can set the tempo from 100 to 200 beats per minute. Great for several rock styles, from the slowest to the hardcore rock styles. Hook it to a stereo or amplifier and get your rock sessions ready for practicing and rehearsals with superb audio quality!
Screenshots
Verdict
The clearest difference is price: Rockloops at $5.99 against EDLM's $19.99. Rockloops also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.0). On update cadence, ads and in-app purchases 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
EDLM costs $19.99 and Rockloops $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
EDLM ships an update every 26 months, Rockloops every 42 months. The most recent releases landed on October 5, 2026 and October 22, 2026 respectively.
| Parameter | EDLM | Rockloops |
|---|---|---|
| Price | $19.99 | $5.99 โ better |
| Update frequency | Every 26 months โ better | Every 42 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod โ better |
| Requires iOS | 18.0 | 15.6 โ better |
| Further details โ not scored | ||
| Size | 4 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | ONYX Apps | Eduardo Sallada |
In-app purchases
EDLM
No in-app purchases
Rockloops
No in-app purchases









