Calcula Keyboard vs LoungeFeed Host
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Calcula Keyboard
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Calcula is a lightweight scientific math keyboard for iPhone. After you add the keyboard, you can type expressions in chats, notes, browser search bars, or any system text field, and insert the result at the current cursor position. Version 1.0 focuses on the core workflow: a basic keyboard, an f(x) scientific panel, DEG / RAD trigonometric input, in-keyboard history, and a companion app for setup guidance, basic settings, and About. It does not include accounts, cloud sync, or online computation. Settings stay on the device.
LoungeFeed Host
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LoungeFeed Host brings your chosen social feeds to LoungeFeed Viewer on the big screen. LoungeFeed Viewer runs on Apple TV and pairs with LoungeFeed Host over your local network. Authorize the content sources you choose on your iPhone, then pair LoungeFeed Host with LoungeFeed Viewer on the same Wi-Fi network. Browse read-only feeds, posts, replies, images, and video while your iPhone provides the local connection. With LoungeFeed Host you can: β’ Choose which supported sources to connect β’ Pair securely with LoungeFeed Viewer using a six-digit code β’ Manage local feed and playback cache β’ Review source status and renew an authorization when needed β’ Create a privacy-safe diagnostic report only when you choose to send one LoungeFeed Host is a companion app, not a standalone feed viewer. Keep it open in the foreground while watching; iOS may pause local serving when the phone is locked or backgrounded. LoungeFeed is read-only. It does not create posts, replies, likes, follows, messages, or other actions on your connected accounts.
Screenshots
Verdict
Calcula Keyboard and LoungeFeed Host are too close to call on the numbers: across 5 compared parameters β price, ads, in-app purchases and device support among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Calcula Keyboard | LoungeFeed Host |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | β |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 2 MB | 46 MB |
| Age rating | 4+ | 12+ |
| Developer | ι¦η ι» | GAOXIANG ZHANG |
In-app purchases
Calcula Keyboard
No in-app purchases
LoungeFeed Host
No in-app purchases





