IsatHub Voice vs JSON Master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IsatHub Voice
This application allows your smart device to make calls and send/receive SMS messages using a satellite network, providing connectivity outside of traditional cellular coverage. It integrates with your device's native contact list and offers call recording and history features.
- Make calls and send SMS over satellite
- Works with IsatHub terminal
- Uses device's native contact list
- Call recording
- Call history
- SMS support
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IsatHub Voice App enables your smart device to make calls and send/receive SMS over Inmarsat’s global satellite network using your IsatHub terminal. The IsatHub service enables your smartphone or tablet to make calls and access internet service outside of cellular or fixed terrestrial coverage. Features: · Ready to use with IsatHub terminal · Contact List and Contact Favorites use your device’s native contact directory · Call recording · Speakerphone, mute and hold functions · Call history with a list of received, missed and dialed calls · SMS support
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.
- 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
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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
Verdict
The clearest difference is rating: JSON Master at 4.6 against IsatHub Voice's 1.0. JSON Master also leads on update cadence (every 9 days vs every 4 months) and ratings volume (5 vs 1). IsatHub Voice's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price 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
Both are free to download. JSON Master sells 3 in-app purchases, starting at $2.99 per 7 days. IsatHub Voice asks for nothing beyond the download.
JSON Master holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: JSON Master has 5 ratings behind it against 1, so its average is the more settled of the two.
IsatHub Voice ships an update every 4 months, JSON Master every 9 days. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.
| Parameter | IsatHub Voice | JSON Master |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.6 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 4 months | Every 9 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 136 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Inmarsat Global Limited | Tianjin Illuso Information Technology Co., Ltd. |
Customer experience
IsatHub Voice
JSON Master
In-app purchases
IsatHub Voice
No in-app purchases
JSON Master
- JSON Master Pro (Weekly)3 Days trial$2.997 Days
- Pro (Yearly)$14.991 Year
- JSON Master Pro Lifetime$17.99
Questions
Is IsatHub Voice free?
Is JSON Master free?
Which has better reviews, IsatHub Voice or JSON Master?
Do IsatHub Voice or JSON Master have ads?
Which is updated more often, IsatHub Voice or JSON Master?
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