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Browser Extensions · head to head

Stay vs WhatFont

Stay logo

Stay

Browser Extensions

Safari userscript manager that runs Tampermonkey scripts

From
Free
Rated
-
Full reviewWebsite
WhatFont logo

WhatFont

Browser Extensions

Identify fonts on web pages

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Stay apple only. No Chrome, Firefox or Edge build, so it cannot serve a cross-browser workflow.; WhatFont can only detect web-safe fonts and fonts loaded via web font services
  • They diverge on capability: Stay covers Tampermonkey and Violentmonkey compatibility, WhatFont covers Font detection.
  • Prices and features above were last checked on 15 September 2026.

Where they differ

Only the attributes on which Stay and WhatFont actually diverge.

Attributes where Stay and WhatFont differ
AttributeStayWhatFont
Pricing modelone-timeUnknown
PlatformsSafari, iOS, macOSChrome, Firefox, Arc
FoundedUnknown2011

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Browser Extensions).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Stay

  • Tampermonkey and Violentmonkey compatibility
  • Userscript management
  • Cross-device bookmark sync
  • Download manager
  • Dark mode
  • One-time purchase across platforms

Only in WhatFont

  • Font detection
  • Typography info
  • Service detection
  • Hover inspection
  • Chrome support
  • Firefox support
  • Edge support
  • Safari support

What people use each for

The jobs each tool is most often brought in to do.

Stay

  • Running Tampermonkey scripts on Safarinot WhatFont
  • Running userscripts on iPhone and iPadnot WhatFont
  • Syncing bookmarks across Apple and non-Apple devicesnot WhatFont
  • Managing downloads into categorised folders on iOSnot WhatFont
  • Forcing dark mode on sites that do not offer itnot WhatFont

WhatFont

  • Identifying typefaces used on competitor websites for design researchnot Stay
  • Sourcing font inspiration from high-performing landing pagesnot Stay
  • Discovering web font services like Google Fonts or Typekit on sitesnot Stay

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Stay

  • Apple only. No Chrome, Firefox or Edge build, so it cannot serve a cross-browser workflow.
  • The free tier is deliberately limited, so the practical product is the paid one.
  • Compatibility with Tampermonkey and Violentmonkey scripts is a translation layer rather than the real thing, and a script relying on an unusual GM function may not behave identically.
  • It bundles bookmark sync, downloads and dark mode alongside the script manager, which is more surface area than some people want from an extension with access to every page.
  • A much smaller project than the established managers, so fewer scripts are tested against it.

WhatFont

  • Can only detect web-safe fonts and fonts loaded via web font services
  • Does not work on images with embedded text or rasterized typography
  • Limited to inspecting single text elements at a time

Pricing, plan by plan

Stay

Free
  • FreeFree
    • Limited functionality
  • Lifetime$5/one-time
    • All features
    • iPhone, iPad and Mac
    • Lifetime updates

WhatFont

Free
  • FreeFree
    • Font inspection on any website
    • Font family identification
    • Font size and weight detection

Which should you pick?

Choose Stay if

  • You need tampermonkey and violentmonkey compatibility.
  • You want to start without paying.
  • You work on Safari, iOS, macOS.
  • You also want userscript management.
Stay review

Choose WhatFont if

  • You need font detection.
  • You want to start without paying.
  • You work on Chrome, Firefox, Arc.
  • You also want typography info.
WhatFont review

Questions people ask

Is Stay or WhatFont better?
Neither clearly leads. Stay starts at Free and WhatFont at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Stay or WhatFont?
Stay starts at Free and WhatFont at Free.
Does Stay or WhatFont run on more platforms?
Stay runs on Safari, iOS, macOS. WhatFont runs on Chrome, Firefox, Arc.
Can I use Stay for free?
Both have a free tier, so you can try either at no cost before committing.
What is Stay best used for?
Stay is most often used for running tampermonkey scripts on safari, running userscripts on iphone and ipad, syncing bookmarks across apple and non-apple devices, managing downloads into categorised folders on ios. Of those, running tampermonkey scripts on safari and running userscripts on iphone and ipad are not what WhatFont is typically brought in for.
What can Stay do that WhatFont cannot?
Stay covers Tampermonkey and Violentmonkey compatibility, Userscript management, Cross-device bookmark sync, Download manager. WhatFont covers Font detection, Typography info, Service detection, Hover inspection.

Answered from the vendors’ own pages

Stay: Can Stay run Tampermonkey scripts?

Yes. It supports its own native scripts and also scripts written for Tampermonkey and Violentmonkey, which is the main reason to choose it on Safari.

Source
WhatFont: How do I use WhatFont to inspect fonts?

Click the WhatFont icon in your browser toolbar to activate it, then hover over any text on a webpage to see the font name and details in a pop-up. Click the text to reveal additional information like font style, weight, color, and font samples.

Source
Stay: How much does Stay cost?

A one-time payment, reported at around $5, covering iPhone, iPad and Mac with lifetime updates and no subscription. A free version with limited functionality is available.

Source
WhatFont: What browsers does WhatFont support?

WhatFont works on Google Chrome, Firefox, and Arc browser. It is available as a free extension in each browser's extension store.

Source
Stay: Does Stay work on iPhone?

Yes. It supports Safari across iPhone, iPad and Mac, and the single purchase covers all three.

Source
WhatFont: Is WhatFont free?

Yes. WhatFont is a completely free browser extension with no paid tier or premium features. It is maintained as a free tool for designers and developers.

Source
Stay: What can userscripts do in Safari through Stay?

The vendor's examples are automatic pagination, immersive translation, redirect blocking and aggregated search. Anything a userscript can do on another browser is broadly in scope, subject to Safari's own restrictions.

Source
Stay: Is Stay open source?

The project publishes source on GitHub, and the app is distributed through the App Store as a paid product with a limited free tier.

Source
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