Comparison

View Source Vibe vs CaspiAPI

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

View Source Vibe

Features
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View Source Vibe is your pocket web inspector and source code viewer. A powerful tool to view source code, browse and inspect web pages, and analyse web technologies. Built with Vibes (and Flutter), it offers a desktop-class inspection experience on your mobile device

About

CaspiAPI

Features
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CaspiAPI is a fast, native API client for developers โ€” a Postman alternative that runs beautifully on iPhone, iPad and Mac. Build requests, inspect responses, run whole collections and automate tests, all from one polished app that works offline and keeps your data encrypted on-device. Already using Postman? Import your collections and environments in seconds and keep working โ€” your pre-request and test scripts run exactly as they do on the desktop. BUILT FOR REAL WORK - Full REST/HTTP support โ€” GET, POST, PUT, PATCH, DELETE and more - Multi-tab editor: query params, headers, body (JSON, form, raw), auth - Syntax-highlighted JSON responses with status, timing and size - Request history so you never lose what you sent POSTMAN-COMPATIBLE SCRIPTING - Run pre-request and test scripts with a real JavaScript engine - pm.* API support โ€” pm.test, pm.environment, pm.response and more - Built-in CryptoJS for HMAC / SHA-256 signing and custom auth flows - Collection Runner executes requests in sequence and chains variables: a value captured in one request is instantly available to the next POWERFUL VARIABLES & ENVIRONMENTS - 5-level variable scope โ€” global, collection, environment, and beyond - Switch environments instantly to move between dev, staging and prod - Edit any scope inline without leaving your request PRIVATE BY DESIGN - All data stored locally in an AES-256 encrypted database - The encryption key lives in the Secure Enclave (Keychain) โ€” never in plain text - Works fully offline; your requests and secrets stay on your device NATIVE ON EVERY SCREEN - One app for iPhone, iPad and Mac โ€” buy once, use everywhere - Adaptive layout: touch-friendly action sheets on iOS, full menus on Mac - Beautiful dark and light themes that follow your system automatically - Clean typography built for reading code Whether you're testing a production API on your phone, debugging a webhook on iPad, or running a full test suite on your Mac, CaspiAPI gives you a focused, secure and genuinely fast workflow. Download CaspiAPI and bring your API workflow with you โ€” everywhere.

Screenshots

View Source Vibe4 screens
CaspiAPI4 screens

Verdict

The call

The clearest difference is update cadence: CaspiAPI at every 4 days against View Source Vibe's every 2 weeks. CaspiAPI also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

View Source Vibe ships an update every 2 weeks, CaspiAPI every 4 days. The most recent releases landed on September 19, 2026 and September 30, 2026 respectively.

Scorecard2 real differences ยท 4 level
View Source Vibe versus CaspiAPI: the parameters behind the verdict, then further details
ParameterView Source VibeCaspiAPI
PriceFreeFree
Update frequencyEvery 2 weeksEvery 4 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac โ€” better
Requires iOS15.013.0 โ€” better
Further details โ€” not scored
Size33 MB26 MB
Age rating17+4+
DeveloperEdeasMuhammed Ismayilov

In-app purchases

None

View Source Vibe

No in-app purchases

None

CaspiAPI

No in-app purchases

Questions

Is View Source Vibe free?
View Source Vibe is free to download, with no in-app purchases.
Is CaspiAPI free?
CaspiAPI is free to download, with no in-app purchases.
Do View Source Vibe or CaspiAPI have ads?
Neither View Source Vibe nor CaspiAPI shows ads.
Which is updated more often, View Source Vibe or CaspiAPI?
View Source Vibe ships an update every 2 weeks, and CaspiAPI every 4 days. Most recently, View Source Vibe was updated on September 19, 2026 and CaspiAPI on September 30, 2026.

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