SASI by Mantle is a solid bundled feature inside a full SaaS platform. If you need dedicated Shopify App Store intelligence, here are the alternatives worth considering and how they actually compare.
SASI (Shopify App Store Index) is the App Store intelligence feature inside the Mantle platform. Mantle is a full-stack SaaS business platform covering billing, analytics, email marketing, affiliates, CRM, and more. SASI is one feature among roughly twenty.
Developers look for alternatives for a few specific reasons. SASI tracks up to 10 keywords at a time, and you choose them manually. If you want to track your full keyword universe automatically, you need a different tool. SASI shows the first 2 pages of search results. If you need full search depth, you need a different tool. SASI requires connecting GA4 through Google BigQuery (a separate Google Cloud project with its own billing and configuration). If you want one-click GA4 OAuth, you need a different tool.
The honest pitch: if you already use Mantle for billing and business operations, SASI is effectively bundled at no extra cost. If ASO is your primary need and you do not need the rest of the Mantle platform, a dedicated ASO tool will go deeper. You give up the bundled stuff Mantle gives you, but you gain depth where it matters for App Store optimization.
Best for: Developers who want serious, dedicated App Store intelligence without paying for a whole SaaS platform
Starting price
$49/mo
Key strengths
Key limitations
Best for: Solo developers who already have GA4 working and want straightforward keyword tracking
Starting price
$49/mo (5 apps)
Key strengths
Key limitations
Best for: Developers who specifically want historical listing change tracking (the "wayback machine" use case)
Price
Now bundled with Mantle platform pricing since acquisition
Key strengths
Key limitations
I just want straightforward keyword tracking and have GA4 set up: Consider Rankbase. It is affordable, focused, and does one thing well.
I want deep, dedicated ASO intelligence and care about competitor moves and listing change impact: AppJubilee is built for this. 1,200+ keywords automatically, competitor universe mapping, listing change impact analysis, and review sentiment.
I need billing, email, affiliates, and CRM all in one place, and ASO is a nice-to-have: Stay with Mantle/SASI. The platform covers your business operations and includes basic ASO as a bundled feature.
AppJubilee offers a free keyword research tool (no signup required) that shows you the kind of data the platform provides. For full ASO intelligence, paid plans start at $49/mo. Rankbase offers a 14-day free trial. There is no fully free alternative that matches SASI's depth.
Rankbase starts at $49/mo for 5 apps. AppJubilee starts at $49/mo for 1 app. The price difference reflects scope: Rankbase focuses on GA4-based keyword tracking, while AppJubilee is a broader competitive intelligence platform with automatic keyword discovery, competitor monitoring, and listing change impact analysis.
Yes. Many developers use Mantle for billing and business operations while using AppJubilee for dedicated ASO intelligence. SASI tracks up to 10 keywords manually. AppJubilee tracks 1,200+ automatically. If ASO is a priority, the depth difference justifies using both.
AppJubilee is a dedicated ASO platform. SASI is one feature inside the Mantle business platform. AppJubilee tracks 1,200+ keywords automatically (SASI tracks 10 manually), connects to GA4 in one click (SASI requires BigQuery), and includes competitor universe mapping and listing change impact analysis that SASI does not offer.
No. GA4 is an optional enhancement in AppJubilee, not a requirement. Your keyword universe is built from App Store scraping, so it works from day one regardless of your traffic. Rankbase, by contrast, requires GA4 to function.
Immediately. AppJubilee has 90+ days of historical data already collected when you sign up. Connect your app and your keyword universe, competitor landscape, and ranking history are available within minutes. No migration or setup required.
No. AppJubilee has been collecting daily snapshots across the entire Shopify App Store. When you connect, 90+ days of historical ranking data is already waiting, including data from before you were a customer. You gain historical depth, not lose it.
AppStorePulse is a newer ASO tool from the founder of WideBundle. It offers a free tier and a $29/mo Pro plan, but every tier supports only one app with 20 keywords max. For single-app developers on a tight budget, it is worth comparing. For multi-app portfolios or agencies, AppJubilee supports up to 30 apps with 1,200+ automatic keywords per app. See the full comparison at /compare/appjubilee-vs-appstorepulse. Learn more →
Try our free keyword research tool to see the kind of data AppJubilee gives you. No signup needed.