Comparison

DevKit vs Anvil

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

Head to head
About

DevKit

This app provides a suite of offline developer tools for formatting, debugging, encoding, and converting data. It keeps all your work on your device, ensuring privacy and accessibility without an internet connection. Features include JSON formatting, JWT decoding, hash generation, and QR code creation.

Highlights
  • 30+ offline developer utilities
  • JSON, HTML, CSS, JS, XML, SQL formatting
  • JWT decoding and certificate inspection
  • Base64, URL, and HTML encoding/decoding
  • Hash generation (MD5, SHA-256)
  • Timestamp and number base conversion
  • QR code generation
Features
Read full description

Convert files and debug code in one app. DevKit turns PDFs into editable Word documents, photos into PDFs and HEIC photos into JPGs, and gives developers a full kit of formatters, decoders and generators. Everything runs on your iPhone or iPad: your files are never uploaded. FILE TOOLS > PDF to Word: Turn a PDF into an editable Word document (.docx), keeping headings, lists, links, images, headers and footers. Preview the result before you save it. Scanned pages are read with on-device text recognition. Tables are kept on iOS 26 and later. > JPG to PDF: Combine photos and scans into one tidy PDF > HEIC to JPG: Turn iPhone photos into JPGs for forms and websites > MOV to MP4: Turn .mov videos into .mp4 files > HTML Viewer: Open .html files safely and see their source > JSON, XML and CSV Viewers: Open data files as a tree or a table > Unzip and Zip Files: Open .zip archives, or bundle files into one > Open files straight from the Files app, Mail or Safari, and find everything you convert in the Files tab FORMATTERS > JSON Formatter: Format, minify and validate JSON, with a collapsible tree view > HTML, CSS, JavaScript, XML and SQL Formatters ENCODE & DECODE > JWT Debugger: Decode tokens, inspect headers and claims, verify signatures > Certificate Decoder: Read X.509 certificates > Base64, URL Encoder and Parser, HTML Encoder, Backslash Escape > Hash Generator: MD5, SHA-1, SHA-256 and SHA-512 CONVERTERS > Timestamp, Case Converter, Color Converter (HEX, RGB, HSL) > YAML to JSON, CSV to JSON, Number Base, Hex to Text > Cron Parser: Read cron expressions in plain English, with the next run times GENERATE & COMPARE > QR Code: Scan codes live with the camera or from a photo, and create your own > UUID and ULID Generator, Random String, Lorem Ipsum > Diff Checker, RegEx Tester, Markdown Previewer, Line Sort, String Inspector MADE FOR YOUR PHONE > History reopens your recent runs, stored only on your device > Paste, copy and share in one tap > Light and dark designs, large text and VoiceOver support > No account and no sign-up PRIVACY The tools process your text and files on your device. DevKit uses analytics to learn which tools are used (never what you put in them); you can turn it off in Profile > Privacy & Data. SUBSCRIPTION DevKit Pro unlocks every tool, as a monthly or yearly auto-renewing subscription. The price for your country is shown in the app before you buy. Eligible new subscribers get a free trial. Payment is charged to your Apple ID account when you confirm the purchase, or when the trial ends. The subscription renews automatically unless you cancel at least 24 hours before the end of the current period. Manage or cancel it in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://devkitpro.app/privacy

About

Anvil

A native toolkit for developers on macOS, iPhone, and iPad that streamlines everyday formatting, encoding, conversion, and inspection tasks. It supports a wide range of data types and formats, offering a focused and fast interface for common development workflows.

Highlights
  • JSON formatting and validation
  • Base64, URL, and HTML entity encoding/decoding
  • Timestamp and number base conversion
  • JWT decoding and payload inspection
  • UUID, ULID, and QR code generation
  • String analysis and data cleaning
Features
Read full description

Anvil is a native developer toolkit for macOS, iPhone, and iPad, built to make everyday formatting, encoding, conversion, and inspection tasks faster. Work with JSON, Base64, URLs, timestamps, JWTs, UUIDs, hashes, regular expressions, strings, SQL, CSV, YAML, QR codes, and more from one focused app. Instead of jumping between web utilities, Anvil keeps common developer workflows close at hand in a fast, native interface. Use Anvil to: Format, validate, repair, and inspect JSON. Encode and decode Base64, URLs, HTML entities, and escaped strings. Convert timestamps, number bases, CSV, YAML, and other structured data. Decode JWTs and inspect token payloads. Generate UUIDs, ULIDs, QR codes, hashes, sample text, and formatted code. Analyze strings, compare text, and clean up data while building or debugging. Anvil is designed for developers who want practical tools without clutter. Whether you are debugging an API response, preparing test data, checking a token, formatting a query, or converting values during development, Anvil gives you a polished native workspace for the small tasks that happen all day. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms and Conditions: https://anvilmac.com/terms Privacy Policy: https://anvilmac.com/privacy

Screenshots

DevKit4 screens
Anvil4 screens

Verdict

The call

The clearest difference is ratings volume: DevKit at 3 against Anvil's 1. DevKit also leads on iOS requirement (15.1 vs 26.0). On price, rating, review sentiment and update cadence 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. DevKit sells 2 in-app purchases, starting at $9.99 per month and Anvil sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for DevKit against 5.0 for Anvil. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

DevKit ships an update every 8 days, Anvil every 5 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
DevKit versus Anvil: the parameters behind the verdict, then further details
ParameterDevKitAnvil
PriceFreeFree
Rating5.0 (3 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings3 — better1
Update frequencyEvery 8 daysEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.1 — better26.0
Further details — not scored
Size57 MB96 MB
Age rating4+9+
DeveloperAlexander HerdtAlex Javier Rivas Martinez

Customer experience

DevKit

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Anvil

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

DevKit

Subscriptions2
  • Pro Monthly3 Days trial$9.991 Month
  • Pro Yearly3 Days trial$39.991 Year
3 purchases

Anvil

Subscriptions2
  • Anvil Pro Monthly7 Days trial$3.991 Month
  • Anvil Pro Yearly$37.991 Year
One-time1
  • Anvil Pro Lifetime$79.99

Questions

Is DevKit free?
DevKit is free to download, with in-app purchases available.
Is Anvil free?
Anvil is free to download, with in-app purchases available.
Which has better reviews, DevKit or Anvil?
DevKit and Anvil are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.
Do DevKit or Anvil have ads?
Neither DevKit nor Anvil shows ads.
Which is updated more often, DevKit or Anvil?
DevKit ships an update every 8 days, and Anvil every 5 days. Most recently, DevKit was updated on October 30, 2026 and Anvil on October 31, 2026.

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