K vs Biyoree
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
K
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γ γ γ γ γ ‘ γ β cover your face with Korean letters. K-emoji places hangul jamo (Korean alphabet characters) over your eyes automatically, then lets you drag, resize, and rotate more letters anywhere on the photo. The result looks like a K-pop teaser poster β or just a fun selfie with a twist. WHO IT'S FOR Fans of K-pop, Korean culture, or anyone who wants to mask their face with something more interesting than a blur or a sticker. FEATURES β’ Face mode: auto-detects your eyes and places jamo β γ , γ , γ , γ and more β’ Background mode: cut yourself out and layer hangul behind you for a poster look β’ 14 jamo presets including Korean fandom slang (γΉγ , γ γ , γ γ γ , γ γ ) β’ Custom letter, color, size, and stroke weight β’ Drag, pinch, and rotate every letter freely PRIVACY β’ 100% on-device β face detection runs on your iPhone, nothing sent anywhere β’ No accounts, no sign-up required β’ Your photos never leave your phone β’ Free, ad-supported (ads by Google AdMob) Available in 18 languages. Requires iPhone with iOS 17 or later.
Biyoree
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Biyoree is a camera and photo editor for enjoying carefully crafted film color and texture. Preview your final look in real time before you shoot, then capture photos and videos with the atmosphere of the moment intact. You can also import photos from your library and edit them afterward. β Dozens of Original Film Looks Choose from dozens of color and black-and-white film looks. Find a tone that fits the light, skin, scenery, shadows, and feeling of each photo. β Films Crafted One by One Each film is designed beyond color alone, with its own contrast, grain, texture, highlights, and shadows. Instead of getting lost in small adjustments, choose the film that fits the moment and let the look come together. β Real-Time Film Camera Shoot photos and videos while previewing the selected film look. Register up to five favorite looks and switch between them quickly. β Expressive Blur Adjust blur strength and create a more dimensional finish while keeping people clear. β Frames That Complete the Photo Choose from slim, classic, Polaroid-style, gallery, and other layouts. Customize margins, color, aspect ratio, and photo placement. β Titles and EXIF Layouts Beautifully place titles, subtitles, film names, dates, camera, lens, and shooting settings on your photos. β Flexible Ratios and Cropping Supports 1:1, 4:5, 16:9, 9:16, and more. Drag, pinch, and rotate to adjust photo placement intuitively. β Before / After Comparison Compare the original and edited photo with a slider while choosing the film color and texture that fit best. Everyday moments, travel memories, and time with people you care about. Turn them into photos worth remembering with Biyoree.
Screenshots
Verdict
The clearest difference is ads: Biyoree at none against K's shown. 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.
| Parameter | K | Biyoree |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 4 days |
| Ads | Yes | No β better |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 17.0 β better | 18.2 |
| Further details β not scored | ||
| Size | 18 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Wonjungmin Kim | Takuma Yamamoto |
In-app purchases
K
No in-app purchases
Biyoree
No in-app purchases









