# James Owl Calc vs EV+

The clearest difference is ratings volume: James Owl Calc at 4 against EV+'s 1. EV+'s advantage is iOS requirement (13.0 vs 16.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. 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 James Owl Calc against 5.0 for EV+. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

## The numbers

| Metric | James Owl Calc | EV+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/james-owl-calc/id6667115988/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ev-plus/id6757970429/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free | Free |
| Size | 32 MB | 16 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Zhen Yu](https://appshunter.io/developer/1723033163) | [Ben Nguyen](https://appshunter.io/developer/1778990954) |

## What reviewers say

### James Owl Calc

[App page](https://appshunter.io/ios/app/james-owl-calc/id6667115988)

This tool helps landscape photographers calculate precise camera settings for long exposure shots. It recommends ND filter combinations, aperture, and ISO based on your current settings and desired effect. Features include tutorials and camera-specific adjustments.

**Highlights:** Precise exposure calculations for ND filters, Reverse calculation mode, Smart adaptive technology for light changes, Built-in countdown timer with audio alerts, Camera-specific settings, Long exposure technique tutorials

**Features:** macOS Compatibility

**In-app purchases:** none


### EV+

[App page](https://appshunter.io/ios/app/ev-plus/id6757970429)

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.

**Highlights:** Measure EV, Calculate ISO, Calculate Shutter Speed, Calculate Aperture, Minimalist interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is James Owl Calc free?

James Owl Calc is free to download, with no in-app purchases.

### Is EV+ free?

EV+ is free to download, with no in-app purchases.

### Which has better reviews, James Owl Calc or EV+?

James Owl Calc and EV+ are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do James Owl Calc or EV+ have ads?

Neither James Owl Calc nor EV+ shows ads.

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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.*