Zone System vs EV+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zone System
This tool simplifies Ansel Adams' exposure and development method for photographers. It helps measure shadows and highlights, calculate aperture and development times, and preview results with film stock presets.
- Measure shadows and highlights
- Aperture and development calculations
- Preview results with film presets
- ISO and EV calculations
- Simplified Zone System application
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Zone System is a practical tool for applying Ansel Adams’ exposure and development method. • Measure shadows and highlights to set exposure • Get aperture and development (N, N+, N–) calculations • Preview results with film stock presets • Get calculations for aperture, shutter speed, ISO, and EV This app makes the Zone System simpler, faster, and more reliable.
EV+
A simple light meter for photographers to measure EV and calculate necessary camera settings like ISO, shutter speed, and aperture. It provides essential exposure information for better photography.
- Measure EV
- Calculate ISO
- Calculate Shutter Speed
- Calculate Aperture
- Minimalist interface
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Minimal light meter for photographers. Measure EV and calculate ISO, shutter, and aperture.
Screenshots
Verdict
The clearest difference is price: EV+ at Free against Zone System's $1.99. EV+ also leads on iOS requirement (13.0 vs 17). Zone System's advantage is device support (4 vs 2) and ratings volume (3 vs 1). On rating, ads and in-app purchases 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
EV+ is free to download; Zone System costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Zone System against 5.0 for EV+. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
| Parameter | Zone System | EV+ |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 9 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, Apple Watch, Vision Pro — better | iPhone, iPod |
| Requires iOS | 17 | 13.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Davin Nguyen | Ben Nguyen |
Customer experience
Zone System
EV+
In-app purchases
Zone System
No in-app purchases
EV+
No in-app purchases
