Freestyle Calculator vs YingBox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Freestyle Calculator
This app offers real-time expression editing with instant results as you type, eliminating the need for an equals button. It features a searchable history, unit conversions, and customizable keyboard layouts and themes for a personalized calculation experience.
- Real-time expression preview
- Live editing with cursor repositioning
- Searchable, annotated calculation history
- Unit conversions for various metrics
- Customizable keyboard layouts and themes
- Cloud sync for backup and restore
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Freestyle Calculator gives you real-time expression editing on iPhone and iPad. Start typing and watch the result update live — no equals button needed. Move the cursor anywhere in your expression, edit freely, and the preview adjusts instantly. Every calculation is saved with a searchable, annotated history. CORE FEATURES ▸ Real-time preview — see results as you type ▸ Expression editing — backspace, insert, or reposition the cursor ▸ Searchable history — pin, copy, annotate, or reuse any calculation ▸ Unit conversion — length, mass, area, volume, temperature, time ▸ Reference exchange rates — multiple providers with automatic fallback ▸ Widgets — exchange rates and formulas on your home and lock screen PRO FEATURES ▸ Keyboard Studio — rearrange keys, save multiple layouts (Compact / Standard / Scientific) ▸ Theme Studio — 10 keyboard themes, accent colors, key density, dark mode ▸ Custom Formulas — reusable workflows with variables and live FX rates ▸ Sessions — organize work into named groups with notes and pins ▸ Cloud Sync — back up everything to iCloud, restore on any device Always available: real-time preview, full history, unit conversion, and scientific keys. No ads, no accounts, no server dependency. Your data stays on your device by default. Privacy Policy: https://apps.foamzou.com/freestyle-calculator/privacy/ Terms of Use: https://apps.foamzou.com/freestyle-calculator/terms/
YingBox
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**YingBox · Your Personal Media Hub** YingBox is a personal media player designed to help you import and manage your own or authorized media sources, including customizable JSON site configurations, IPTV playlists (M3U/M3U8), and private Emby/Jellyfin media servers. **Key Features** * **Custom Media Sources** — Seamlessly connect to vast video resource sites via subscription JSON site configurations. Enjoy category browsing, keyword search, and on-demand playback with the fluidity of a native app. * **IPTV Live Streaming** — Full support for standard M3U/M3U8 playlists. Import your favorite channels with one tap to watch global live broadcasts. Features channel latency testing and live previews to help you quickly identify the best active streams. * **Emby / Jellyfin Integration** — Native connectivity for private Emby and Jellyfin media servers. Features comprehensive support for library browsing, global search, multi-line switching, and playback position memory—delivering a smooth experience across both local networks and remote access. * **Versatile Playback Capabilities** — Supports custom request headers (User-Agent, Referer, Origin) and is compatible with mainstream streaming formats. Includes adjustable playback speeds, intuitive gesture controls for fast-forwarding, and scrubbing previews. **Why Choose YingBox?** Your content, your rules. YingBox contains no pre-installed media resources and places no restrictions on your content sources. All media sources are entirely configured and managed by you. Data streams directly between your device and the target server—no intermediaries, no unnecessary tracking. --- **Terms of Use:** [https://www.apple.com/legal/internet-services/itunes/dev/stdeula/](https://www.apple.com/legal/internet-services/itunes/dev/stdeula/) **Privacy Policy:** [https://wayneduan.github.io/showtime/PRIVACY_POLICY](https://wayneduan.github.io/showtime/PRIVACY_POLICY).
Screenshots
Verdict
The clearest difference is review sentiment: Freestyle Calculator at 100% against YingBox's 50%. Freestyle Calculator also leads on rating (5.0 vs 4.1). YingBox's advantage is update cadence (every 3 days vs weekly). On price, ratings volume, ads 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
Both are free to download. Freestyle Calculator sells 6 in-app purchases, starting at $0.99 per month and YingBox sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Freestyle Calculator holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 8 and 9 respectively. Written reviews point the same way: 100% of Freestyle Calculator's written reviews are positive against 50% of YingBox's.
Freestyle Calculator ships an update weekly, YingBox every 3 days. Both last shipped on November 5, 2026.
| Parameter | Freestyle Calculator | YingBox |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) — better | 4.1 (9 ratings) |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 8 | 9 — better |
| Update frequency | Weekly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad, Apple TV — better |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 27 MB | 137 MB |
| Age rating | 4+ | 17+ |
| Developer | 锋 邹 | 亚楠 段 |
Customer experience
Freestyle Calculator
YingBox
In-app purchases
Freestyle Calculator
- CalcStudio Pro Monthly$0.991 Month
- CalcStudio Pro Annual7 Days trial$3.991 Year
- Small Tip$0.99
- Medium Tip$3.99
- CalcStudio Pro Lifetime$7.99
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- Large Tip$9.99
YingBox
- Monthly Pro$0.991 Month
- Yearly Pro$9.991 Year
- Lifetime$24.99









