Flassh vs UniTwainClient
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flassh
Transform any event into a memorable photo booth experience using just your iPhone or iPad. Capture, edit, and share professional-quality photos instantly, with optional DSLR integration. Guests can view, download, and print images in real-time.
- Run photo booth from iPhone/iPad
- Connect Canon DSLRs
- Secure event kiosk
- Custom photo overlays
- Photo editing presets
- Real-time sharing and printing
- Download full event archives
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Flassh turns any event into an unforgettable photo booth experience — running entirely from your iPad or iPhone. No extra hardware is required — capture, view, and share photos right from iOS. Flassh supports connecting Canon DSLRs for pro quality photos or your device's built-in cameras for instant setup. FOR PHOTOGRAPHERS & EVENT ORGANIZERS • Run your entire booth from iPad or iPhone — no computer needed. • Full support for connecting the latest Canon DSLRs for stunning, professional photos. Additional camera brands will be supported soon! • Instantly upload photos and set up a secure, share-ready kiosk locked to your event. • Create and manage events directly in the app. • Add up to 5 custom overlays to each photo in an event. • Choose from photo editing presets like Faded Vintage, Classic Black & White, Warm Glow, HDR Boost, and more. • Download full event photo archives (ZIPs). • Configure printing to nearby AirPrint printers from kiosk stations. • Kiosk Mode with biometric or passcode protection for peace of mind. FOR EVENT GUESTS • Instantly view, share, download, or print photos in real time. • Easily discover nearby events. • Enjoy pinch-to-zoom and smooth full-screen galleries. • Share anywhere instantly with built-in options. • Full Dark Mode support for late-night events and moody vibes. Flassh makes your events unforgettable, for everyone involved. • The easiest way to run a photo booth with just your iPad or iPhone. • Professional-quality results with Canon DSLR support. • Built for high-traffic use with rock-solid reliability and privacy. • Perfect for weddings, birthdays, holidays, brand activations, company parties, school dances, and everything in between. • Requires iOS 18.5 or later.
UniTwainClient
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The UnitTwain client enables you to take pictures on your mobile phone and then import them to any TWAIN compliant application on your PC. Install the UniTwain server component to your PC and then start your application and select the UniTwain virtual scanner. Once UniTwain shows up select the Mobile tab and start the UniTwain client on your phone. Now just take photos or choose them from your gallery and they will automatically show up on your PC application. You can also select the scanning option inside the UniTwain client. This way you can take pictures of documents on your table and the UniTwain client will automatically crop out the the surrounding and enhance the document so that it looks as it came right out of a scanning device.
Screenshots
Verdict
The clearest difference is ads: UniTwainClient at none against Flassh's shown. UniTwainClient also leads on iOS requirement (8.0 vs 18.5). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 2, 2026.
| Parameter | Flassh | UniTwainClient |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.5 | 8.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 4 MB |
| Age rating | 9+ | 4+ |
| Developer | JK Tech, Inc. | Terminal Works Ltd. |
In-app purchases
Flassh
No in-app purchases
UniTwainClient
No in-app purchases









