Comparison

DayPercent vs JSON Master

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

Head to head
About

DayPercent

Read full description

DayPercent tracks the completion percentages of your tasks using timers and numeric adjustments—all customizable by you! Track daily progress: See all tasks at once with percent complete and time remaining. Flexible task types: Use timers, numeric values, or simple “complete” buttons. Smart calculations: For numeric tasks, the app calculates completion percentage and estimated time. For example, track reading a 500-page book by incrementing pages and time per page. Adjust on the fly: Finish a timed task early? Mark it complete, and the app automatically updates your remaining tasks. Goals feature (Premium): Unlock the ability to track specific goals and their progress. Conquer your day, conquer your goals!

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

Screenshots

DayPercent4 screens
JSON Master3 screens

Verdict

The call

The clearest difference is ads: DayPercent at none against JSON Master's shown. JSON Master's advantage is iOS requirement (15.0 vs 17.6). On price, update cadence, in-app purchases and device support 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. DayPercent sells 1 one-off in-app purchase and JSON Master 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

DayPercent ships an update fortnightly, JSON Master every 9 days. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
DayPercent versus JSON Master: the parameters behind the verdict, then further details
ParameterDayPercentJSON Master
PriceFreeFree
Rating—4.6 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyFortnightlyEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size11 MB41 MB
Age rating4+4+
DeveloperClayvon HattonTianjin Illuso Information Technology Co., Ltd.

In-app purchases

1 purchases

DayPercent

One-time1
  • Goals Unlock$4.99
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

Questions

Is DayPercent free?
DayPercent is free to download, with in-app purchases available.
Is JSON Master free?
JSON Master is free to download, with in-app purchases available.
Do DayPercent or JSON Master have ads?
JSON Master shows ads; DayPercent does not.
Which is updated more often, DayPercent or JSON Master?
DayPercent ships an update fortnightly, and JSON Master every 9 days. Most recently, DayPercent was updated on October 19, 2026 and JSON Master on October 24, 2026.

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