# Unieye Home vs Zone Tool

The clearest difference is price: Unieye Home at Free against Zone Tool's $0.99. Unieye Home also leads on iOS requirement (7.0 vs 12.2). Zone Tool's advantage is update cadence (every 38 months vs every 94 months). On ads, in-app purchases and device support there is nothing between them.

Unieye Home is free to download; Zone Tool costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Unieye Home ships an update every 94 months, Zone Tool every 38 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Unieye Home | Zone Tool |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[2.8 (6 ratings)](https://appshunter.io/ios/app/zone-tool/id1489637620/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 94 months | **Every 38 months** |
| Monetization | — | Paid |
| Size | 38 MB | 0 MB |
| Requires iOS | **7.0** | 12.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [uni app](https://appshunter.io/developer/794250226) | [Jouni Erola](https://appshunter.io/developer/295758397) |

## What reviewers say

### Unieye Home

[App page](https://appshunter.io/ios/app/unieye-home/id992717151)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zone Tool

[App page](https://appshunter.io/ios/app/zone-tool/id1489637620)

Calculate photographic exposure and development adjustments using zone system theory. Measure shadows and highlights, input film ISO and desired shutter speed to determine aperture and development time modifications.

**Highlights:** Zone system exposure calculation, Shadow and highlight measurement, Film ISO input, Shutter speed adjustment, Development time calculation, Aperture determination

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Unieye Home free?

Unieye Home is free to download, with no in-app purchases.

### Is Zone Tool free?

Zone Tool costs $0.99, with no in-app purchases.

### Do Unieye Home or Zone Tool have ads?

Neither Unieye Home nor Zone Tool shows ads.

### Which is updated more often, Unieye Home or Zone Tool?

Unieye Home ships an update every 94 months, and Zone Tool every 38 months. Most recently, Unieye Home was updated on November 1, 2026 and Zone Tool on November 3, 2026.

---

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