Blend Camera vs Trichromy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Blend Camera
Easily cut out photos and add decorative stamps and text. Create collages with over 50 background options and apply various filter effects to your pictures before saving or sharing.
- Photo collage creation
- Cut out photos with finger tracing
- Add custom text and stamps
- Over 50 background wallpapers
- Apply photo filters
- Save to camera roll or app album
- Share to social media
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cut out photos , stamp decoration , It is the image processing application that can be freely letter case . ■collage function ■ · I want to collage photos taken photos that can be filter processing , from camera roll · I choose the background wallpaper of more than 50 . • You can crop an image by tracing with a finger . · I can die-cut photos to star stamp type and heart-shaped . · ( Selectable fonts and colors ) you can place the characters entered . • The freely arranged a variety of stamp etc. and stars Heart • You can move , scale and rotation of the photograph . ■ photography can filter processing ■ · I can photography can filter processing of more than 10 kinds . ■ storage function ■ · I can be saved to the camera roll . · I can be saved to the app album . ■ sharing ■ Facebook, Twitter, LINE
Trichromy
Explore trichromatic photography with this unique camera app. Capture stunning color images by layering three monochromatic exposures, offering a distinctive visual style. Experiment with different timings and capture orders for psychedelic or subtle effects.
- Trichromatic photography capture
- Layering of 3 monochromatic images
- Adjustable delay between exposures
- Individual colored shutter controls
- Straightforward user interface
- Historical photographic process exploration
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Discover and capture the ethereal beauty of trichromatic photography with this one of a kind camera app. Trichromy is the process of creating color images by combining 3 monochromatic images: typically red, blue, green. Because the exposures are taken at separate times, they layer in ways that range from subtle shimmers to utterly psychedelic. This app features a beautiful, straightforward interface that lets you experiment with trichromatic photography on your phone, no fancy equipment or complicated workflow required! Use the main shutter to capture three successive exposures with a delay, which you can change with the slider. Or use the individual colored shutters to capture channels in any order and timing you want. This method of producing color images goes back to the 19th century and was one of the earliest. Notably, Sergey Prokudin-Gorsky used the trichromic process to document large swaths of early 20th century Russia. Lear more about the history of this little known photographic process on our website, trichromy.net !
Screenshots
Verdict
The clearest difference is review sentiment: Trichromy at 80% against Blend Camera's 13%. Trichromy also leads on rating (5.0 vs 3.0) and update cadence (every 3 weeks vs every 3 months). Blend Camera's advantage is in-app purchases (none vs 4) and iOS requirement (7.0 vs 15.0). On price, 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
Both are free to download. Trichromy sells 4 one-off in-app purchases. Blend Camera asks for nothing beyond the download.
Trichromy holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Trichromy has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 13% of Blend Camera's written reviews are positive against 80% of Trichromy's.
Blend Camera ships an update every 3 months, Trichromy every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Blend Camera | Trichromy |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 13.0% of reviews | 80.0% of reviews — better |
| Number of ratings | 1 | 8 — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 7.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 40 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | OneWorld Co., Ltd. | Héliographe, Inc |
Customer experience
Blend Camera
Trichromy
In-app purchases
Blend Camera
No in-app purchases
Trichromy
- Small Tip$4.99
- Full Unlock$4.99
- Medium Tip$9.99
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- Large Tip$19.99









