Fio Cam :Zero vs Camelut
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fio Cam :Zero
Capture authentic, film-like photos with classic tones and organic detail. This app offers two distinct modes: algorithm-free for natural shots and computational for enhanced imaging. It provides advanced color grading, digital filter emulations, and precise focus controls.
- Algorithm-free film photography mode
- Computational photography mode
- 22 classic film-based color grading presets
- Four digital filter emulations
- Three focusing modes (Autofocus, Manual, Macro)
- 10-bit HEIF and RAW file support
- Non-destructive RAW editing
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Shoot Simply! We championship "nature and zero", resist “overprocessing and complex edits”. One tap delivers high quality film-like photos with classic tones and organic detail. Fio elevates iPhone photography by countering overprocessed computational imaging, helping you reclaim the authentic joy of shooting. Fio provides two photography modes: • 「ZERO」 algorithm-free film photography mode | 2「PRD」 computational photography mode. In 「ZERO」 mode, you can capture true, natural, unsharpened photos with organic grain, authentic noise, rich light sensation, and film-like texture – all completely free from algorithms. Fio offers 22 classic film-based color grading presets to help you capture photos rich with humanistic tones and authentic emotions. This isn't superficial filtering - it's sensor-level color science. By analyzing real photo samples from vintage cameras and films, we've faithfully recreated their signature color science. Carefully crafted presets replicate iconic color styles from Fujifilm, Leica, Ricoh, Kodak, and more. Fio features four digital filter emulations: • Diffusion | Black Mist (HDF) | White Mist | Star Glow Stepless intensity control allows pixel-perfect effect tuning during capture. Fio offers three focusing modes: • Autofocus | Manual Focus | Macro Focus Seamlessly toggle between modes via the tactile scroll wheel, achieving optimal balance between speed and precision. Fio employs state-of-the-art imaging technology. Built on Apple's Metal framework and calibrated with CMOS sensor data, it delivers ultra-fast processing speeds and refined details through minimalistic operation. Supporting the Display P3 wide color gamut, it ensures higher color accuracy and richer tonal gradations. Photos can be saved in 10-bit HEIF format with combined HEIF+RAW storage, enabling lossless post-capture adjustments to white balance, exposure, tone, digital filters, and film simulations Fio Camera will keep getting better film-like photo features. Stay tuned for updates! When capturing Photos, Fio Camera also support the following features: - 5 Photo Paper Styles - Lightleaks Effects - Exposure control - White balance & Tint control - Lens switching / Preset focal lengths / Free focal control - Full-screen focus adjustment & Viewfinder frame focus adjustment - Camera Control button operation (iPhone 16 series only) - Volume button shutter - Composition grids - Built-in level - Timed preview shooting - Focus peaking - Aspect ratio adjustment - Photo formats: 10-bit HEIF, 8-bit JPG, RAW files - Color spaces: Display P3 wide gamut & sRGB - Location data storage - Album previews HEIF/JPG results or RAW files - Album reads EXIF metadata - Non-destructive RAW editing & reprocessing - Hardware specs display: Camera module and sensor parameters When sharing your photos on social media, use hashtags #Fio相机 #Fio #FioCam #FioCam. Our editors may select outstanding shots for our featured gallery. For questions or suggestions: 1. Tap "Feedback bugs and suggestions" in the settings. 2. Email us at Service@PhotonPoet.LTD
Camelut
Create your own custom camera filters using industry-standard LUT files. Organize your filters into customizable lists for quick switching between groups and individual presets.
- Import custom LUT (.cube) files
- Real-time filter application
- Create your own filter camera
- Customizable favorites lists
- Group filters by tags
- Swipe to switch filter groups
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Bring your own filters camera. Using industry standard LUT (.cube) files, you can import them into this app and make your own filter camera. With customizable favorites lists, you can group filters and swipe to switch between tag groups and filters.
Screenshots
Verdict
The clearest difference is review sentiment: Fio Cam :Zero at 93% against Camelut's 0%. Fio Cam :Zero also leads on price (Free vs $1.99) and rating (4.9 vs 3.0). Camelut's advantage is in-app purchases (none vs 3). On ads and device support 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
Fio Cam :Zero is free to download; Camelut costs $1.99 up front. Fio Cam :Zero sells 3 in-app purchases, starting at $3.99 per year. Camelut asks for nothing beyond the download.
Fio Cam :Zero holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Fio Cam :Zero has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 93% of Fio Cam :Zero's written reviews are positive against 0% of Camelut's.
Fio Cam :Zero ships an update every 4 days, Camelut fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Fio Cam :Zero | Camelut |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.9 (24 ratings) — better | 3.0 (1 ratings) |
| Positive reviews | 92.9% of reviews — better | 0.0% of reviews |
| Number of ratings | 24 — better | 1 |
| Update frequency | Every 4 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 161 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | PhotonPoet Co., Ltd | (optional.is) |
Customer experience
Fio Cam :Zero
Camelut
In-app purchases
Fio Cam :Zero
- Annual Fio PRO$3.991 Year
- Buy Out for EARLY BIRD$4.99
- Buy Out$9.99
Camelut
No in-app purchases









