2 vs Trichromy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
2
Recreate vintage 2-bit photographic styles with this app. It allows you to capture images with a retro aesthetic reminiscent of older technologies, no extra hardware required.
- 2-bit image capture
- Vintage photo recreation
- No adapters needed
- Simple interface
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Shoot 2-bit images like in the olden times. 2-Bit Camera gives you the power to recreate the photos of your youth without any adapters. Batteries neither included nor necessary.
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 rating: Trichromy at 5.0 against 2's 4.5. On price, review sentiment, ratings volume and update cadence 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. 2 sells 2 one-off in-app purchases and Trichromy sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Trichromy holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 15 and 8 respectively. Written reviews complicate that: 88% of 2's written reviews are positive against 80% of Trichromy's, so the app with the better star average is not the one people write more warmly about.
2 ships an update monthly, Trichromy every 3 weeks. The most recent releases landed on July 30, 2026 and September 18, 2026 respectively.
| Parameter | 2 | Trichromy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (15 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 87.5% of reviews — better | 80.0% of reviews |
| Number of ratings | 15 — better | 8 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Enie Weiss | Héliographe, Inc |
Customer experience
2
Trichromy
In-app purchases
2
- Video Clips$0.99
- Photo Import$0.99
Trichromy
- Small Tip$4.99
- Full Unlock$4.99
- Medium Tip$9.99
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- Large Tip$19.99








