Comparison

Right On Page Devtools vs Anvil

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

Head to head
About

Right On Page Devtools

This Safari extension brings web development tools directly to your iPhone. View console logs and API requests on the webpage, and inspect or modify CSS elements without needing a computer.

Highlights
  • View console logs on page
  • See API requests on page
  • Inspect and change CSS
  • On-device web debugging
  • Safari extension
Features
Read full description

Debug Mobile Safari Without a Mac. It works for both iPhone and iPad Right On Page DevTools brings essential web debugging directly onto the page you are viewing in Safari. See what is happening on the page in real time: • View console logs, warnings, errors, and exceptions • Inspect Fetch/XHR API requests and responses • Search logs, URLs, headers, payloads, and response bodies • Copy JSON values from nested responses • Inspect page elements and edit CSS on device • Snip HTML and CSS from any element • Catch API errors and JavaScript exceptions faster Unlike desktop-style devtools squeezed into a tiny panel, Right On Page is designed for quick mobile debugging. Open Safari, enable the extension for the site, and inspect what is happening right on the page. Useful for frontend developers, indie hackers, QA testers, and anyone debugging responsive websites on iPhone or iPad. Privacy first: Right On Page is off by default for each site and asks for permission per domain. The extension does not collect your browsing data.

About

Anvil

Features
Read full description

Anvil is a pocket-sized toolbox of 17 everyday developer utilities. Every tool processes its input on your device. No account, no ads, no tracking, and no app backend. FORMAT & DECODE • JSON Formatter — beautify, minify, validate • Base64 — encode / decode text • URL — percent-encode / decode • JWT Decoder — inspect header & payload (local only) GENERATE • UUID — batch v4 identifiers • Hash — MD5 / SHA-1 / SHA-256 / SHA-512 • Random String — passwords & tokens • QR Code — share or save CONVERT • Number Base — bin / oct / dec / hex • Unix Time — epoch ↔ human date • Cron — explain expressions • Unicode — text ↔ \u escapes TEXT • Regex Tester — live matches & groups • Text Diff — compare two snippets • Case Converter — camel / snake / kebab … • Text Analyzer — characters, words, lines • List Comparer — intersection, union & diff SMART PASTE Copy something, open Anvil, and it points you to the right tool with your content already filled in. PRIVACY FIRST Tool inputs are processed on-device and are never uploaded. Anvil has no account, ads, analytics, or app backend. Optional Pro purchase and restore use Apple StoreKit. ANVIL PRO — one-time unlock, no subscription • Share Extension — run tools on text shared from any app • Shortcuts & Siri • Clipboard History • Optional Smart Paste auto-open (off by default) One-time purchase, no subscription.

Screenshots

Right On Page Devtools4 screens
Anvil4 screens

Verdict

The call

The clearest difference is in-app purchases: Right On Page Devtools at none against Anvil's 1. Anvil's advantage is update cadence (every 6 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Anvil sells 1 one-off in-app purchase. Right On Page Devtools asks for nothing beyond the download.

UpkeepUpdate frequency

Right On Page Devtools ships an update every 3 months, Anvil every 6 days. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

Scorecard2 real differences · 8 level
Right On Page Devtools versus Anvil: the parameters behind the verdict, then further details
ParameterRight On Page DevtoolsAnvil
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.4 — better17.0
Further details — not scored
Size3 MB6 MB
Age rating4+4+
Developer泰宁 陆武汉回到未来科技有限公司

In-app purchases

None

Right On Page Devtools

No in-app purchases

1 purchases

Anvil

One-time1
  • Anvil Pro$4.99

Questions

Is Right On Page Devtools free?
Right On Page Devtools is free to download, with no in-app purchases.
Is Anvil free?
Anvil is free to download, with in-app purchases available.
Do Right On Page Devtools or Anvil have ads?
Neither Right On Page Devtools nor Anvil shows ads.
Which is updated more often, Right On Page Devtools or Anvil?
Right On Page Devtools ships an update every 3 months, and Anvil every 6 days. Most recently, Right On Page Devtools was updated on October 10, 2026 and Anvil on September 30, 2026.

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