GuiKey vs PaperCrush
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
GuiKey
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A free keyboard application to write in the GΗui orthographic system. This is a free keyboard application for speakers and users of the GΗui language in the Kalahari Basin area, Botswana. This keyboard provides your iPhone with features that are necessary for writing in the GΗui orthographic system. ==main features== - enables the input of five click consonant symbols and three tone markers - can also be used as an ordinary QWERTY keyboard
PaperCrush
Discover and organize academic papers with a swipe-based interface. AI translation helps overcome language barriers, while trending sections highlight popular research. Tailor your feed to specific academic categories.
- Swipe interface for paper discovery
- AI translation of titles and abstracts
- Organize liked papers
- View trending research
- Detailed paper view with LaTeX support
- Select custom academic categories
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This app is for researchers and students who follow the latest academic papers, especially preprints submitted to arXiv. With an intuitive Tinder-like swipe interface, you can "Like" or "Skip" new papers. γKey Featuresγ * **Paper Feed**: Receive the latest papers in categories tailored to your interests daily. Easily organize them with swipes. * **AI Translation**: AI translates paper titles and abstracts into your specified language (e.g., English). Understand content without language barriers. * **Like List**: Manage liked papers in a list. You can also search, filter by category, and manage read/unread status. * **Trending**: Check papers gaining attention from other users in a ranking format. Don't miss research trends in your field. * **Detailed View**: Beautifully displays LaTeX formulas. Links to PDF and web pages are also included. * **Category Selection**: Select your areas of interest from a wide range of arXiv categories, including Computer Science, Physics, and Mathematics. Make your daily paper check faster and smarter. We support your research activities. (Data provided by: arXiv)
Screenshots
Verdict
The clearest difference is ads: GuiKey at none against PaperCrush's shown. PaperCrush's advantage is update cadence (daily vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
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.
GuiKey ships an update every 5 months, PaperCrush daily. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.
| Parameter | GuiKey | PaperCrush |
|---|---|---|
| Price | Free | Free |
| Positive reviews | β | 66.7% of reviews |
| Update frequency | Every 5 months | Daily β better |
| Ads | No β better | Yes |
| In-app purchases | No | No |
| Monetization | β | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.1 | 17 β better |
| Further details β not scored | ||
| Size | 1 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Kanji Kato | Naoki Takahashi |
In-app purchases
GuiKey
No in-app purchases
PaperCrush
No in-app purchases
Questions
Is GuiKey free?
Is PaperCrush free?
Do GuiKey or PaperCrush have ads?
Which is updated more often, GuiKey or PaperCrush?
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