Chama Optics vs Foinst
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chama Optics
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Chama Optics — Edit your photos on the spot: color grade, frame, and mosaic faces, all in one app. A photo post-processing app for mirrorless and DSLR camera users. It offers EXIF-based shooting info frames, automatic face mosaic, color grading, and cheki (Polaroid-style) frames. ◆ Made for you if... Events, travel, & street photography — Weddings, tourist spots, and more — whenever you need to mosaic other people's faces. Sharing photos on social media — Post fan activity photos, memories with friends, or event highlights on SNS. DSLR/mirrorless users & gear reviewers — When sharing your shots with shooting info (camera, lens, aperture, etc.) embedded in the frame. ◆ Face Detection & Privacy Protection • On-device automatic face detection • Apply mosaic or sticker to detected faces • Manually add, delete, or adjust detection areas ◆ LUT Color Grading • Apply professional LUT filters (.cube format) • Fine-tune exposure, contrast, highlights, shadows, clarity, saturation, and more • Apply LUT individually or in batch ◆ Cheki (Polaroid-Style) Frames • Polaroid-style borders — adjustable width, color, bottom margin, and text (or EXIF) • Play Dice! for random sticker placement, or place them freely ◆ EXIF-Based Shooting Info Frames • Multiple built-in frame themes • Auto-display camera, lens, focal length, aperture, shutter speed, and ISO • Verbose EXIF to view full metadata including maker notes ◆ Batch Processing & Export • Edit multiple photos at once with batch apply — export as JPEG, PNG, or WebP • Fine-tune quality and scaling modes (max width/height, longside, and more) ◆ Privacy First All image processing is performed entirely on-device. No cloud uploads, no external AI models — your photos never leave your device. Inspired by the travel VTuber Akai Haato, who loves photography.
Foinst
Easily customize your Instagram Stories with unique fonts. Import your own TTF or OTF files, adjust text spacing, colors, and backgrounds. Save your creations as transparent PNGs for seamless sharing.
- Import custom TTF/OTF fonts
- Live text editor
- Adjustable letter and line spacing
- Photo backgrounds and stickers
- Export as transparent PNG
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FOINST let you customize a Font and paste into your Instagram Stories Import any TTF or OTF font — from Files, downloads, or a whole folder that syncs automatically — and type directly onto a full-screen canvas. Pinch, rotate, and snap text into place; fine-tune letter spacing, line height, width, alignment (including edge-to-edge spread), colors, and text boxes. Then save your design or copy it as a transparent PNG and paste it into your favorite social apps. • Import unlimited fonts, organized by family • Live text editor with size slider, spacing, and box styles • Photo backgrounds and photo stickers with shape frames • Export as image or transparent PNG
Screenshots
Verdict
Chama Optics and Foinst are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Chama Optics | Foinst |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 88 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Jinwoo Park | LAMWEB CO., LTD |
In-app purchases
Chama Optics
No in-app purchases
Foinst
No in-app purchases









