App Store Optimization Services: How to Choose the Right One

If you're searching for an App Store optimization service, you've already accepted that doing it yourself isn't the path you want to take. That's a reasonable decision — proper keyword research for one market takes 4–6 hours, and most apps need 5–10 markets to see meaningful results.

The problem is that "ASO service" describes a wide range of quality levels. There are full-service agencies charging $3,000–10,000/month, freelancers on Fiverr offering keyword lists for $15, and done-for-you services like LocalizeRank in between. They don't all deliver the same thing — and the cheapest options rarely deliver what moves rankings.

Here's how to evaluate any ASO service before you buy.

What a good ASO service actually delivers

The core output of App Store optimization is localized, keyword-researched metadata: a title, subtitle, keyword field, and description for each market you're targeting. Everything else — audits, reports, competitor analysis, strategy decks — is context around that core deliverable.

A good ASO service produces metadata that:

Is built from real keyword data. Not translated from your English metadata, not guessed from category intuition — sourced from App Store keyword research tools (AppTweak, ASOdesk, AppFollow) that show actual search volume and competition in each target market.

Targets keywords you can realistically rank for. A new app with 50 ratings can't rank for "productivity" (hundreds of thousands of search results, dominated by apps with millions of downloads). A good service identifies keywords where the top results have rating counts your app can compete with.

Includes competitor gap analysis. Knowing what your competitors rank for that you don't is the fastest way to find keyword opportunities. Any service that builds keywords without looking at competitor data is guessing.

Fills Apple's character limits correctly. Title: exactly 30 characters. Subtitle: exactly 30 characters. Keyword field: 100 characters, commas not spaces, no words repeated from title or subtitle. Many cheap services get this wrong — a keyword field that exceeds 100 characters gets rejected; one that's at 60 characters wastes 40% of your search real estate.

Delivers in a format you can use. Metadata buried in a PDF requires extraction and reformatting before you can paste it into App Store Connect. A spreadsheet with one tab per market and columns for field name, content, and character count lets you open and paste directly.

What low-quality ASO services deliver

The $15–50 Fiverr tier almost always produces one of these:

Translation of your existing metadata. They take your English title, subtitle, and keyword field and translate it into German, French, or Japanese. The result looks like a localization — it's in the right language — but the keywords are whatever your English keywords translate to, not what users in that market actually search. Translations rarely move rankings.

Generic keyword lists with no source data. "Here are 20 keywords for your habit tracker in Japanese." No volume data. No difficulty data. No explanation of why these terms were chosen. You have no way to evaluate whether they're good, and neither does the service.

PDF deliverables. A PDF with metadata means you have to read it, extract the content, and retype it into App Store Connect. It also means the service provider can't easily show character counts, which often means they haven't checked them.

No competitor analysis. The cheapest tier skips the step that produces the highest-value keywords: identifying what competitors rank for that you don't. Without this, you're building your keyword field from scratch instead of targeting proven search terms.

ASO agencies vs. done-for-you services vs. freelancers

ASO agencies ($1,000–10,000+/month) are built for app publishers running multiple apps, or for companies where app revenue is a primary business line. They offer ongoing optimization, A/B testing of creative assets, Apple Search Ads management, review management, and reporting. The price reflects the breadth of service, not just keyword research. Most indie developers are significantly overpaying if they hire an agency.

Freelancers (variable — $15 to $200+/market) cover a huge quality range on platforms like Fiverr, Upwork, and direct referral. The low end produces translated metadata. The high end — specialists who use proper tools and can show ranking case studies — approaches agency quality at lower cost, but finding them requires significant vetting time and you're still buying from an individual with no standardized process.

Done-for-you services ($49–199 for a defined scope) are built specifically for indie developers and small teams who want keyword research and metadata without the agency overhead or freelancer vetting process. The deliverable is defined before you order, the process is standardized, and the price reflects research cost rather than ongoing management.

LocalizeRank is in this category: a done-for-you localization service starting at $49 for 5 markets, with keyword research from App Store data, competitor gap analysis, and Google Sheet delivery. Not an agency, not a freelancer — a defined service with a defined output.

Questions to ask before buying any ASO service

What tools do you use for keyword research? A legitimate answer names specific tools: AppTweak, ASOdesk, AppFollow, AppTweak. "I use my experience" or "proprietary research" without naming tools is a red flag.

Can I see an example deliverable? Any service that has delivered ASO work should be able to show a sanitized example. If they can't, they either haven't done much work or the deliverable format is one they don't want you to see in advance.

Do you include competitor keyword gap analysis? This is the step that finds the highest-value keyword opportunities. Yes or no — and if yes, which tools are used for it.

What format is the deliverable? Google Sheet or similar is correct. PDF or Word document means extra work on your end and usually means character limits weren't carefully checked.

Do you check character limits for every field? Title: 30 max. Subtitle: 30 max. Keyword field: 100 max, commas not spaces. A service that doesn't mention this probably hasn't built enough keyword fields to know it matters.

What's the revision policy? Legitimate services include at least one revision. If the initial delivery missed something — a keyword that's too competitive, a field that reads unnaturally — you need a path to fix it without paying again.

Can you show ranking results from previous clients? Not a guarantee of your results (Apple's algorithm is a black box), but a service that has never tracked whether its work produced ranking movement hasn't closed the feedback loop on quality.

Red flags at any price point

"Guaranteed top 10 ranking" — impossible to guarantee; Apple's algorithm is not controllable
"I'll translate your keywords" stated as the service description — translation ≠ keyword research
No mention of character limits anywhere in the description
Deliverable is a PDF
Price of $5–10 for multiple markets — can't cover real research time at that rate
No examples or case studies available
Unable to name specific research tools used

The cost question

The right question isn't "what's the cheapest ASO service?" It's "what's the cheapest service that actually produces ranking movement?"

The data is consistent: translated metadata rarely moves rankings. Research-backed metadata consistently does — because you're targeting terms users actually search, at competition levels your app can enter.

The cost comparison that matters:

$15 Fiverr gig + 3 hours vetting + translated keywords that don't move = money and time spent with no ranking result
$49 LocalizeRank Starter (5 markets) + keyword research + competitor gap analysis + paste-ready Google Sheet = defined process, defined output, trackable results

The price difference per market isn't the relevant comparison. The relevant comparison is research quality per dollar across the total cost including your time.

What LocalizeRank delivers

Every order includes:

Keyword research from App Store data (AppFollow + ASOdesk) for each target market
Competitor gap analysis — top 5 competitors per country, keywords they rank for that you don't
Localized title, subtitle, keyword field, and description per market — not translated, researched
Google Sheet delivery with one tab per market, character count column, paste-ready format
1 revision included (2 on Pro)

Starter — $49: 5 markets
Growth — $99: 10 markets
Pro — $199: 20 markets + ranking opportunity score + tracker sheet

See the plans → | View a sample deliverable

App Store Optimization Services: What to Look For and What to Avoid