Comparison

JSON Master vs EgoCheck

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

Head to head
About

JSON Master

This offline iOS tool formats, views, validates, and converts JSON data. It supports large files and offers privacy-safe, local processing for developers needing to debug API responses or transform data formats.

Highlights
  • Offline JSON formatting and beautifying
  • Tree and text view for JSON visualization
  • Instant JSON syntax validation
  • JSON to CSV, XML, Excel conversion
  • Large file support
  • Import from clipboard and files
Features
Read full description

JSON Master is a professional JSON Formatter / Viewer / Converter for developers (offline iOS tool). Three key points upfront: 100% offline processing, privacy-safe, large file support — your data is never uploaded to any server. Core Features (Developer Favorites): JSON Formatter & Beautifier: One-click format/beautify/minify, with syntax highlighting support. JSON Viewer: Tree View / Text views for clear structure visualization. JSON Validator: Instant syntax error detection (with line numbers) for quick API response debugging. Fast Converter: Bidirectional JSON ↔ CSV / XML / Excel (.xlsx) conversion. Large File Support: Smoothly open and edit large files. Import Anywhere: Import from Clipboard / Files for debugging anytime. Why Choose JSON Master? • Privacy First: All formatting, validation, and conversion happen locally on your device. • Focused & Distraction-Free: Clean interface with no redundant steps, perfect for quick data inspection and fixing. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://legal.rkvpxdr.com/privacy.html

About

EgoCheck

Features
Read full description

Become the leader your team truly needs. Every meeting or situation tests a different leadership moment. EgoCheck helps you pause, log what actually happened, and see the pattern behind your choices: how supportive you were, how much airtime you took, and whether the team left with clarity. What you’ll love • A simple leadership snapshot after each meeting or situation — capture your style placement, your share of the discussion, next steps — and optional satisfaction with how you ran the meeting. • A dashboard that remembers for you — recent logs at a glance, so progress isn’t a vague feeling anymore. • Analytics when you’re ready to go deeper — style spread, engagement heatmaps by meeting type, leadership satisfaction trends, agenda completion — with optional filtering so you can learn by company context. Privacy-friendly by design. Your logs are yours. When iCloud is available, syncing helps you pick up where you left off across devices. Whether you’re new to leadership or refining a practiced style, EgoCheck is your calm, consistent space to improve. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

JSON Master3 screens
EgoCheck4 screens

Verdict

The call

The clearest difference is ads: EgoCheck at none against JSON Master's shown. JSON Master's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases 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. JSON Master sells 3 in-app purchases, starting at $2.99 per 7 days and EgoCheck sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

Scorecard3 real differences · 7 level
JSON Master versus EgoCheck: the parameters behind the verdict, then further details
ParameterJSON MasterEgoCheck
PriceFreeFree
Rating4.6 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 9 daysEvery 9 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size41 MB26 MB
Age rating4+4+
DeveloperTianjin Illuso Information Technology Co., Ltd.Vaclav Pluhar

In-app purchases

3 purchases

JSON Master

Subscriptions2
  • JSON Master Pro (Weekly)3 Days trial$2.997 Days
  • Pro (Yearly)$14.991 Year
One-time1
  • JSON Master Pro Lifetime$17.99
3 purchases

EgoCheck

Subscriptions3
  • Weekly Subscription$2.997 Days
  • Monthly Subscription$6.991 Month
  • Yearly Subscription$59.991 Year

Questions

Is JSON Master free?
JSON Master is free to download, with in-app purchases available.
Is EgoCheck free?
EgoCheck is free to download, with in-app purchases available.
Do JSON Master or EgoCheck have ads?
JSON Master shows ads; EgoCheck does not.
Which is updated more often, JSON Master or EgoCheck?
JSON Master ships an update every 9 days, and EgoCheck every 9 days. Most recently, JSON Master was updated on October 18, 2026 and EgoCheck on October 20, 2026.

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