Leo3 Smart vs Contact Sheet Generator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Leo3 Smart
Capture stunning underwater photos and videos with your smartphone. This app allows manual control of camera settings, switching between photo and video modes, and even taking underwater selfies. It also features a power-saving mode and can charge your phone while diving.
- Smartphone housing pairing via Bluetooth
- Manual camera adjustments (ISO, HDR, White Balance)
- Switch between photo and video modes
- Underwater selfie mode
- Power saving mode
- Integrated charging for iPhone
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Underwater videography and photography with your Smartphone? Today you can, thanks to Leo3 Smart, the innovative Housing branded Easydive that reinvents the way to live your scuba diving and highly appreciated by snorkeling lovers as well. Download this App on your iPhone, enable Bluetooth and begin matching your Leo 3 Smart. With Easydive App you can: Match your housing Leo 3 Smart with to your Iphone This application is compatible with all Smartphone iOS. Download this App on another Iphone and ask enablement to Easydive: you can use 2 or more Smartphones with a single Leo 3 Smart housing. Use Advanced Adjusting Functions You can manually adjust the following parameters *: Time, ISO, HDR, White Balance, Automanic or Manual Focusing. Just like a real camera. And if you don't want to set all these parameters, you can use the camera in Auto Mode. * Settings can change depeding on Iphone model. Switch camera mode between photo/video with a button Simply push a button to switch between photo and video mode, and back again. Each mode has separate manual adjustments, in order to make the use of the Smartphone easier. Use the Secondary Camera (Selfies Mode) Ever considered to take underwater selfies? Leo 3 Smart allows checking the shot from your Iphone monitor. You can also record video with the secondary camera and be both director and star of your movie. Set the Power Saving Mode With one button you can set your Smartphone in power saving mode, turning off the camera and saving energy. To reactivate the App just push the Power Saving button again. Leo 3 Smart is the only underwater universal housing in the world, lifetime guaranteed up to -150 mt deep. It communicates with your Smartphone via Bluetooth connection and through the integrated control panel that allows to manage the application without using the Iphone touch screen. It has a 9000 mAh Battery Pack that allows to charge your Iphone while diving: you will never get out of the water with your Smartphone out of power. The considerable size of the Smartphone Monitor allows an incredible framing control while diving. Easydive is an Italian company founded by Fabio Benvenuti in year 2000, specialized in the production of equipments for underwater videography and photography. With this project Easydive decides to open the professionalism of its team and the quality of its products to a wider and heterogeneous public. Each diver or snorkeller can easily capture the best moments of his adventures and share them immediately using the full capabilities of his Smartphone.
Contact Sheet Generator
Create authentic film contact sheets from your digital photos. This app offers multiple film formats, customizable borders, and annotation tools for a vintage darkroom feel. Perfect for photographers documenting, presenting, or learning about analog photography.
- Multiple film formats (35mm, 120)
- Authentic film border overlay
- Customizable colors and fonts
- Frame markup (keepers, rejects)
- Free-form brush annotation
- EXIF metadata embedding
- Dark mode support
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Transform your digital photos into classic film contact sheets — the essential photo grid layout for reviewing negatives. Contact Sheet Generator creates authentic proof sheets with the vintage look and feel of a traditional darkroom. FEATURES: • Multiple Film Formats: 35mm (36 exposures) and medium format 120 film (645, 6x6, 6x7) • Professional Layout: High-quality 8.5×11" contact sheets at 300 PPI — perfect as a photo collage or portfolio grid • Authentic Film Border: Optional 35mm border overlay with sprocket holes and frame numbers • Customizable Colors: Control background, text, border, and sprocket colors • Font Options: Choose between classic Leica and San Francisco typography • Dark Mode Support: Comfortable editing in any lighting condition MARKUP & ANNOTATION: • Mark frames as keepers, rejects, or maybes with color-coded overlays • Free-form brush annotation with adjustable color, size, and opacity • 3× magnifier loupe for detailed frame inspection • All markup bakes at full resolution for save and share MY GEAR PRESETS: • Save your favorite cameras and film stocks for quick access • Presets sorted by usage frequency or name • EXIF metadata embedding: camera, film, and author info saved with every image EASY TO USE: 1. Select your preferred film format 2. Choose up to 36 images (35mm) or 15 images (120 film) 3. Add custom details — or pick from your saved gear 4. Generate and save your contact sheet PERFECT FOR: • Film photographers documenting their work • Photography students learning about contact sheets and proof sheets • Professional photographers presenting their portfolio • Anyone who loves the vintage aesthetic of analog film photography • Photographers who want a clean negative review layout Create beautiful contact sheets that blend digital convenience with analog charm — your darkroom proof sheet workflow, reimagined.
Screenshots
Verdict
The clearest difference is rating: Leo3 Smart at 5.0 against Contact Sheet Generator's 4.0. Leo3 Smart also leads on iOS requirement (12.0 vs 17.6). Contact Sheet Generator's advantage is update cadence (fortnightly vs every 3 months) and ratings volume (4 vs 1). On price, ads, in-app purchases and monetization model 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.
Leo3 Smart holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
Leo3 Smart ships an update every 3 months, Contact Sheet Generator fortnightly. The most recent releases landed on October 19, 2026 and October 21, 2026 respectively.
| Parameter | Leo3 Smart | Contact Sheet Generator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.0 (4 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 14 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Fabio Benvenuti | Sambit Biswas |
Customer experience
Leo3 Smart
Contact Sheet Generator
In-app purchases
Leo3 Smart
No in-app purchases
Contact Sheet Generator
No in-app purchases
Questions
Is Leo3 Smart free?
Is Contact Sheet Generator free?
Which has better reviews, Leo3 Smart or Contact Sheet Generator?
Do Leo3 Smart or Contact Sheet Generator have ads?
Which is updated more often, Leo3 Smart or Contact Sheet Generator?
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