Best ASO tools for indie developers (2026)
What are the best ASO tools for indie developers in 2026?
For most indie developers, Appfigures is a strong default because it combines sales analytics and ASO with a free plan, Appalize suits developers who want keyword research, metadata editing and Apple Ads in one web workspace with API and MCP access, and Astro suits solo iOS developers who want a small native Mac keyword tracker. Appalize has a free plan without a credit card and an Indie Developer plan at $9.99/month for 10 apps and 100 keywords (appalize.com, Nov 2026); its ASO editor validates and applies metadata, and it tracks competitor metadata changes. It is a newer product with little independent review coverage, and its pricing page lists only App Store Connect as a store integration. AppTweak fits agencies and mid-market teams, Sonar fits developers who want an agent-driven workflow across both stores, and Sensor Tower fits publishers that need market intelligence.
Disclosure: ODEL makes Appalize. We list other apps on their merits, say where they are the better choice, and link our sources. Store ratings and prices are from the public App Store listing on the date shown.
Quick comparison
| App | Best for | Platforms | Price | Store rating |
|---|---|---|---|---|
| Appfigures | Indie developers who want sales analytics and ASO together | Web | See website | n/a |
| Appalize (ours) | Developers who want research, metadata execution and Apple Ads in one web workspace | Web, SaaS | Free plan; paid plans from $9.99/month (Indie Developer), $49.99/month (Pro) and $99/month (Enterprise), per appalize.com/pricing on 2026-11-02 | n/a |
| Astro | Solo iOS developers on one Mac | macOS | See website | n/a |
| AppTweak | ASO agencies and mid-market teams | Web | See website | n/a |
| Sonar | Developers who want an agent or script doing ASO across both stores | Web | See website | n/a |
| Sensor Tower | Publishers and analysts who need market intelligence | Web | See website | n/a |
1. Appfigures: best for indie developers who want sales analytics and ASO together
Appfigures is best for indie developers who want sales analytics and ASO together. Sales analytics and ASO in one place. Has a free plan. The main limitations: Market estimates are on sales-led plans; Analytics breadth may not match an execution workflow, per AppSprint.
Why we picked it
- Sales analytics and ASO in one place
- Has a free plan
Limitations
- Market estimates are on sales-led plans
- Analytics breadth may not match an execution workflow, per AppSprint
Sources: trysonar.app, appsprint.app
2. Appalize: best for developers who want research, metadata execution and Apple Ads in one web workspace
Appalize (by ODEL) is best for developers who want research, metadata execution and Apple Ads in one web workspace. Keyword research, ranking intelligence and competitor metadata change signals. ASO editor that validates and applies metadata; Screenshot Studio. Apple Ads automation and reporting on paid plans. REST API and MCP access included in plans. The main limitations: Newer product with little independent review coverage; Pricing page lists App Store Connect as the store integration; check Google Play needs; Free plan covers 1 app and 5 keywords.
Why we picked it
- Keyword research, ranking intelligence and competitor metadata change signals
- ASO editor that validates and applies metadata; Screenshot Studio
- Apple Ads automation and reporting on paid plans
- REST API and MCP access included in plans
Limitations
- Newer product with little independent review coverage
- Pricing page lists App Store Connect as the store integration; check Google Play needs
- Free plan covers 1 app and 5 keywords
Sources: appalize.com, appalize.com
3. Astro: best for solo iOS developers on one Mac
Astro is best for solo iOS developers on one Mac. Compact native keyword tracker. Named in r/AppStoreOptimization discussions. The main limitations: No Google Play and no web or Windows version; rank history gaps when the Mac app is closed; Moving keywords into App Store Connect is left to the user.
Why we picked it
- Compact native keyword tracker
- Named in r/AppStoreOptimization discussions
Limitations
- No Google Play and no web or Windows version; rank history gaps when the Mac app is closed
- Moving keywords into App Store Connect is left to the user
Sources: appdrift.co, trysonar.app, appsprint.app
4. AppTweak: best for ASO agencies and mid-market teams
AppTweak is best for ASO agencies and mid-market teams. Preferred over AppFollow for support and roadmap on G2. The main limitations: Self-serve plans are single-seat and extra apps raise the cost; API is a separate subscription; keyword history capped by plan; Reddit users say it is worth it mainly for serious ASO budgets.
Why we picked it
- Preferred over AppFollow for support and roadmap on G2
Limitations
- Self-serve plans are single-seat and extra apps raise the cost
- API is a separate subscription; keyword history capped by plan
- Reddit users say it is worth it mainly for serious ASO budgets
Sources: trysonar.app, g2.com, appdrift.co
5. Sonar: best for developers who want an agent or script doing ASO across both stores
Sonar is best for developers who want an agent or script doing ASO across both stores. MCP server for agent-driven ASO. Covers the App Store and Google Play. The main limitation: No market data, no publishing and no A/B testing; young product (self-disclosed).
Why we picked it
- MCP server for agent-driven ASO
- Covers the App Store and Google Play
Limitations
- No market data, no publishing and no A/B testing; young product (self-disclosed)
Sources: trysonar.app
6. Sensor Tower: best for publishers and analysts who need market intelligence
Sensor Tower is best for publishers and analysts who need market intelligence. Strong keyword data and market intelligence. The main limitations: All paid plans go through sales; cost is high for indies; Downloads and revenue are modeled estimates.
Why we picked it
- Strong keyword data and market intelligence
Limitations
- All paid plans go through sales; cost is high for indies
- Downloads and revenue are modeled estimates
Sources: trysonar.app, appsprint.app
How we chose
- Keyword research and rank tracking a small team can afford
- Whether you can apply metadata from the tool or must copy it into App Store Connect
- API or MCP access and whether it costs extra
- Store coverage (App Store, Google Play) and platform (web or desktop)
- Pricing model as described by reviewers or the vendor
Questions
What is the cheapest ASO tool for an indie developer?
Several tools start low. Appfigures has a free plan, Appalize has a free plan and a $9.99/month Indie Developer plan (appalize.com, Nov 2026), and Astro is a low-cost Mac app. Compare app and keyword limits, not just price.
Which ASO tools have an MCP server?
Appalize offers MCP and REST API access, Sonar offers an MCP server, and AppFollow has an MCP integration that brings App Store Connect data into Claude, though AppFollow says you apply listing changes yourself.
Which ASO tool can apply metadata to App Store Connect?
Appalize's ASO editor validates and applies metadata. Reviewers note Astro leaves moving keywords into App Store Connect to the user, and Sonar does not publish.
Is AppTweak worth it for a solo developer?
Reddit users say AppTweak is worth it mainly if you are serious about ASO spend, and reviewers describe it as best for agencies and mid-market teams. Appfigures, Appalize and Astro are lighter options.