# Leo3 Smart vs Contact Sheet Generator

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.

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.

## The numbers

| Metric | Leo3 Smart | Contact Sheet Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/leo3-smart/id1133091493/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/contact-sheet-generator/id6744368077/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 14 MB | 6 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fabio Benvenuti](https://appshunter.io/developer/1133091492) | [Sambit Biswas](https://appshunter.io/developer/1807342506) |

## What reviewers say

### Leo3 Smart

[App page](https://appshunter.io/ios/app/leo3-smart/id1133091493)

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.

**Highlights:** 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

**In-app purchases:** none


### Contact Sheet Generator

[App page](https://appshunter.io/ios/app/contact-sheet-generator/id6744368077)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Leo3 Smart free?

Leo3 Smart is free to download, with no in-app purchases.

### Is Contact Sheet Generator free?

Contact Sheet Generator is free to download, with no in-app purchases.

### Which has better reviews, Leo3 Smart or Contact Sheet Generator?

Leo3 Smart is rated higher. Leo3 Smart averages 5.0 out of 5 from 1 ratings, while Contact Sheet Generator averages 4.0 from 4 ratings.

### Do Leo3 Smart or Contact Sheet Generator have ads?

Neither Leo3 Smart nor Contact Sheet Generator shows ads.

### Which is updated more often, Leo3 Smart or Contact Sheet Generator?

Leo3 Smart ships an update every 3 months, and Contact Sheet Generator fortnightly. Most recently, Leo3 Smart was updated on October 19, 2026 and Contact Sheet Generator on October 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*