What Gummicube is built for

Gummicube's model is agency-as-a-service. Their team does the ASO work: keyword research, metadata optimization, creative recommendations, and ongoing monitoring. They also offer a proprietary data platform called DATACUBE, which powers their internal research and is available to clients.

The agency model is structured for companies that treat ASO as an outsourced function. You brief them on your app, they deliver strategy and implementation, and you receive reports. The key constraint is that you are dependent on their team's bandwidth and their interpretation of your keyword strategy.

For a company with an app that generates significant revenue and has no internal ASO capability, this can make sense. For an indie developer who wants to control their own store listing and run their own keyword experiments, it introduces agency overhead, cost, and loss of direct control that most small teams do not want.

Why indie developers should own their own ASO

ASO is not a one-time project. It is a continuous loop: track keyword performance, make targeted changes, measure the result, iterate. The faster you can run that loop, the better your ranking outcomes over time.

Outsourcing ASO to an agency slows the loop:

  • Every change requires briefing, approval, and agency implementation time. You cannot move as fast as the keyword opportunity window.
  • You are paying agency fees for work you can do yourself in 20 minutes with the right tool -- keyword audit, metadata update, screenshot automation.
  • Your ASO knowledge does not compound. When you run ASO yourself, you learn what works in your category. With an agency, that knowledge stays on their side.
  • Agency pricing is built for companies that cannot afford to hire an in-house ASO manager. For indie developers, neither option makes sense -- you need tooling that lets you do the work yourself.

Marteso as a Gummicube alternative

Marteso is a self-serve ASO platform built for indie iOS developers and small mobile teams. It covers keyword research, competitor monitoring, metadata submission, screenshot automation, localization, and subscription management -- without an agency in the middle and without enterprise pricing.

What you own when you use Marteso instead:

With Gummicube (agency) With Marteso (self-serve)
Keyword strategy decided by agency team You set strategy, Marteso provides AI keyword suggestions with scoring
Metadata changes implemented by agency on your timeline Push metadata changes directly from Marteso via App Store Connect integration
Screenshots produced or directed by agency Automated pipeline: 1 UI test → device-framed, localized screenshots for every language
Localization handled or outsourced by agency Auto-translate: add one language, metadata in 20+ locales instantly
Performance reported back to you Keyword rank history and movement data visible to you in real time
Agency fees per month Free to start, paid plans scale with your app portfolio
(not available) MCP server -- query keyword rankings, pull competitor data, and trigger reports through Claude, Cursor, or any MCP-compatible AI assistant

What Marteso does not replace: If you need an ASO expert to review your strategy and you genuinely do not want to own the process, that is a different decision. Marteso is for developers who want to run ASO themselves, with tooling that removes the friction. It is not a replacement for a consulting relationship if consulting is what you are looking for.

Works with your AI assistant

Marteso ships a production MCP server that connects your live ASO data to Claude, Cursor, Windsurf, and any MCP-compatible AI tool. Ask about keyword rankings, competitor gaps, or metadata performance in plain language without leaving your AI assistant.

The 21-day ASO feedback loop

Marteso is built around a specific methodology: change a keyword field, let Apple index the change, track rank movement for 21 days, adjust. The platform enforces this cycle -- keyword tracking, rank history, and competitor monitoring are all oriented toward running the loop consistently.

This is something you can do yourself, on your own schedule, without waiting for an agency. The methodology is not complicated -- the discipline required to maintain it without tooling is where most indie developers fall off. Marteso's structure reduces the activation energy to keep the cycle going.

Pricing

Gummicube's managed service pricing is built for companies that have the budget to outsource ASO entirely. Ongoing retainers for managed ASO agencies typically start in the hundreds to thousands of dollars per month.

Marteso has a free tier. Connect your app and start tracking keywords without a paid plan. Paid plans scale with your app portfolio -- not with the cost of a full-time ASO function.

Getting started

If you want to own your ASO workflow rather than outsource it:

  1. 1 Connect your app at app.marteso.com -- free, no credit card required
  2. 2 Add your tracked keywords and your top two competitors
  3. 3 Connect your P8 key to enable metadata submission and screenshot automation
  4. 4 Run a keyword audit and set your first 21-day review date

Marteso is free to start. Connect your app and run your first keyword report in minutes.

Start free at app.marteso.com