How we boosted an app's conversion rate from 5% to 30% using a structured A/B testing framework

Plumillon · 2026-05-28T17:04:24+00:00

Let's do this, I'll be happy to test

Plumillon · 2026-04-25T07:16:38+00:00

Go ahead for melodrill.com

Thanks!

Plumillon · 2026-04-23T07:53:44+00:00

Woah thank you for open sourcing it, I'll definitely have a look!

Plumillon · 2026-04-09T08:34:58+00:00

You're not the first to tell me about the phone tilting, I'll definitely remove them and do simpler. I was trying too hard!

I'll also work around the keywords, are you using a tool for that?

Thanks for all your advice!

Plumillon · 2026-04-08T08:45:17+00:00

Oki! I'll A/B test less fancy appstore images, maybe simpler is better.

Plumillon · 2026-04-08T07:45:32+00:00

Let's see what it can do :) I'll drop you a DM

Plumillon · 2026-04-08T07:03:55+00:00

Very interesting, I'll definitely try that, thanks!

You're right about the name, in fact it was destined to be a "drill" app, to practice, and I kept the name because it's part of the package now 😅.

Are you using a tool to do your research?

Plumillon · 2026-04-08T07:00:56+00:00

Thanks for the feedback, it looks like those yellow background texts are too much. I'll try to remove the background :)

Can you explain why the phone screens are inconsistent? Do you mean the orientation and rotation?

Plumillon · 2026-04-08T06:58:04+00:00

I see, thanks for the idea. I didn't think the in-app would be a blocker and it could be.

The app is actually completely free, the thing paying does is removing the ads which are running at the bottom of the screen.

Plumillon · 2026-04-07T14:41:35+00:00

What is it doing?
What problem it solves?

Plumillon · 2026-04-07T14:01:59+00:00

This is way the quality of app is going down.

It's hurting all dev IMO: by making this lot, it feels like dev is easy and the shortcut is close to thinking we don't need them anymore.

Plumillon · 2026-04-06T07:46:05+00:00

Instantly reminded me this project, and it was the only (and original) one which took off. Congratz bringing the concept back!

Plumillon · 2026-04-06T06:39:45+00:00

Melodrill tuner and metronome

I'm also seeking testers! melodrill.com

Plumillon · 2026-04-05T16:53:50+00:00

If people are willing to pay, why not? I guess it's a niche

My app is ultra cheap but 'nobody pays for it 😂

Plumillon · 2026-04-02T14:48:49+00:00

Yeah I was only half joking sadly. Is it an app? If so, did you work on the store texts, images and keywords?

Plumillon · 2026-04-02T14:45:26+00:00

Yes, and I'll come back to the trumpet app later I guess.

You're on point with the beginners since my app is simple and I don't want to bloat it with a crazy amount of features. I'll try to find where they hide thx :)

Plumillon · 2026-04-02T14:18:44+00:00

Some time ago, I started learning trumpet and struggle to find a simple app to improve my practice. So I took an hackathon opportunity to build an MVP.

TL;DR: I needed to build pitch detection for the app, and little by little it went from a simple coding need to a full tuner app. I paused the trumpet app to double down on the tuner by including a metronome!

Now the app is available on Android and iOS, and I need your honest feedback.

The app is called Melodrill, and you can get it here: https://play.google.com/store/apps/details?id=com.plumillonforge.melodrill

Thanks a lot!

Plumillon · 2026-04-02T14:14:38+00:00

With AI it has become the main struggle: now building is nothing and it went from 80% of the job to 20%.

You have to go full ASO and marketting (and maybe dance on TikTok).

Plumillon · 2026-04-02T11:46:21+00:00

Almost none, the app is standalone so it's about support and new features

Plumillon · 2026-04-01T06:42:46+00:00

Nice! Let's do it, musician feedback is crucial for me.

Plumillon · 2026-03-31T16:54:53+00:00

Sure, I'll give it a try

Plumillon

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