Mokbi vs Fastlane: a capture pipeline and a design tool aren't the same thing
Most "Fastlane alternative" searches are really one of two questions: "I don't want to write UI tests just to make App Store screenshots," or "Fastlane captures my screens but they look plain, how do I design them?" Either way, the honest framing is that Fastlane and Mokbi aren't competitors so much as two halves of a pipeline: Fastlane captures, Mokbi designs.
Fastlane is free and open-source (MIT), so there's no price war here. The trade is entirely about effort, skill, and the kind of image you end up with.
Feature-by-feature
| Feature | Mokbi | Fastlane |
|---|---|---|
| Tool category | Browser studio that designs, translates and publishes your whole store listing | Open-source CLI capture pipeline + frame overlay |
| Price | Free to build and preview; a subscription unlocks the whole launch: Solo €29.99/mo (1 app) / Studio €49.99/mo (5 apps): unlimited exports plus feature image, store text, 50-language translation and direct publishing to both stores while subscribed | Free (open-source, MIT) |
| Skill required | Anyone who can drop a PNG and write a headline | Swift/XCUITest or Espresso, Ruby, Xcode/Gradle, CI |
| Source of screenshots | You drop PNGs (phone, simulator, or Fastlane output) | Auto-captured from your app's UI tests |
| Always-current from real app state | No, you re-import when the UI changes | Yes, regenerates from the live build in CI |
| Design ceiling | Layered carousels, 3D frames, spanning layers, art | Framed raw captures + one caption strip |
| Localization | One-click AI translation across 50 locales (Claude) | Locale loop, you author every caption yourself |
| AI | AI Designer + image generation/editing | None |
| CI/CD automation | Manual export (API on the roadmap) | First-class, a lane in your pipeline |
What Fastlane is genuinely great at
If you have engineers and ship often, Fastlane is hard to beat on its own turf. It's free. It runs in CI, so on every release it can regenerate the entire screenshot set across all your devices and locales from the real, current build, and upload them straight to App Store Connect and Google Play. Your marketing shots never drift from the shipping UI, because they're captured from the shipping UI.
The localization mechanism is clever too: snapshot loops over the languages in your Snapfile and captures each screen in each one automatically. For a team already living in Swift and Ruby, that's a lot of leverage for near-zero marginal effort per release.
What it costs, in time, not money
The price isn't dollars, it's engineering. To use snapshot you write Swift UI tests (XCUITest), add a SnapshotHelper, and configure a shared Xcode scheme and a Snapfile; for Android it's Espresso/JUnit and a Screengrabfile; and frameit needs ImageMagick and a Framefile. UI tests are famously flaky, snapshot auto-retries them because they fail at random, so there's ongoing upkeep, and macOS CI minutes aren't cheap.
Then there's the visual ceiling. Fastlane gives you framed raw screenshots: a device bezel, a background colour, and one caption line. There's no layered composition, no floating or breakout elements, no per-panel art direction, and no translation, only a loop; you hand-author every caption in every language yourself. It's clean and consistent, but it isn't a designed marketing carousel.
Where Mokbi fits
Mokbi is the design half, with no code required. You drop in screenshots, captured by hand, from a simulator, or by Fastlane itself, and design a real carousel: layered backgrounds, spanning layers across up to 10 panels, photo-realistic 3D device frames, captions. One click translates the captions across 50 App Store locales (via Claude) instead of you writing each one. An AI Designer can draft the whole set, and AI image generation makes the backgrounds and art.
A PM or designer can change a headline in ten seconds, no recompiling a test suite. The trade-off is the mirror image of Fastlane's: you give up automated capture-from-real-state in exchange for design freedom and speed.
They actually pair well
This doesn't have to be either/or, and the best setup often uses both. Let Fastlane capture clean, localized raw screenshots from your UI tests, then bring those PNGs into Mokbi to design the marketing set on top. You get always-current source captures and a designed, localized store gallery, each tool doing the half it's best at.
Why switch to Mokbi
- You don't want to write and maintain UI tests just to produce store screenshots.
- You want designed, localized carousels, layers, 3D frames, AI-translated captions, not framed raw captures.
- You want a PM or designer to iterate in seconds, without a Swift test suite in the loop.
When Fastlane is the better choice
We don't claim to be the right tool for everyone. Here's when Fastlane actually wins:
- You want screenshots that always reflect the app's real current state and regenerate automatically every release, that's exactly Fastlane's strength, for free.
- Your team is already deep in Swift + Ruby + CI, and "designed marketing carousel" isn't a requirement.
- You'd rather capture localized raw screenshots in Fastlane and design them elsewhere, in which case, capture with Fastlane and design in Mokbi. They coexist.
The honest verdict
Stay with Fastlane (or adopt it) if you have the engineering culture and want screenshots that regenerate from real app state every release, fully automated in CI, for free. Nothing here beats that.
Reach for Mokbi when the deliverable is a designed, localized store gallery and you don't want to write or maintain UI tests to get it, or use both: capture with Fastlane, design with Mokbi.
Researched and last verified 2026-06-28 against publicly listed information on docs.fastlane.tools/getting-started/ios/screenshots/. Spot something out of date? Let us know.
Sources: Fastlane, iOS screenshots guide · Fastlane, frameit · Fastlane, screengrab (Android)
New to App Store screenshots? See our guides on screenshot sizes, AI translation, device frames.