# ShotSmarts vs E

The clearest difference is price: E at Free against ShotSmarts's $1.99. E also leads on iOS requirement (13 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

E is free to download; ShotSmarts costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ShotSmarts ships an update every 6 days, E weekly. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ShotSmarts | E |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/shotsmarts/id6744004849/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Paid | — |
| Size | 2 MB | 37 MB |
| Requires iOS | 15.6 | **13** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [奥 陈](https://appshunter.io/developer/1805501869) | [CARMAX CO., LTD.](https://appshunter.io/developer/1527718609) |

## What reviewers say

### ShotSmarts

[App page](https://appshunter.io/ios/app/shotsmarts/id6744004849)

This app assists photographers by intelligently calculating essential camera parameters for various shooting scenarios. It offers tools for time-lapse, focal length conversion, depth of field, and flash calculations, making it suitable for both beginners and experienced professionals.

**Highlights:** Intelligent parameter assistant, Full-scenario shooting support, Time-lapse calculator, Equivalent focal length conversion, Depth of field calculation, Safe shutter calculations, Flash calculator

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

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-mirror-pro-plus/id6744044209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ShotSmarts free?

ShotSmarts costs $1.99, with no in-app purchases.

### Is E free?

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

### Do ShotSmarts or E have ads?

Neither ShotSmarts nor E shows ads.

### Which is updated more often, ShotSmarts or E?

ShotSmarts ships an update every 6 days, and E weekly. Most recently, ShotSmarts was updated on October 7, 2026 and E on October 4, 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.*