# Manual Flash Calculator vs Second View

The clearest difference is review sentiment: Second View at 56% against Manual Flash Calculator's 0%. Second View also leads on price (Free vs $2.99) and iOS requirement (16.0 vs 18.1). Manual Flash Calculator's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence and device support there is nothing between them.

Second View is free to download; Manual Flash Calculator costs $2.99 up front. Second View sells 2 in-app purchases, starting at $7.99 per year. Manual Flash Calculator asks for nothing beyond the download.

Manual Flash Calculator ships an update every 11 days, Second View weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Manual Flash Calculator | Second View |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.0 (5 ratings)](https://appshunter.io/ios/app/second-view-viewfinder/id6761623499/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 0.0% of reviews | **55.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 45 MB |
| Requires iOS | 18.1 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Winterink](https://appshunter.io/developer/324469683) | [Benoit Linard](https://appshunter.io/developer/1890500952) |

## What reviewers say

### Manual Flash Calculator

[App page](https://appshunter.io/ios/app/manual-flash-calculator/id6739006004)

This app assists photographers by calculating camera and flash settings for manual flash photography. It allows users to create gear lists and kits, and then use this information to determine the fourth parameter (like flash power) when any three of the four relevant settings are known.

**Highlights:** Manual flash photography calculator, Configure camera and flash settings, Calculate missing parameter from three inputs, Create and manage gear lists, Organize gear into custom kits, Persistent local data storage

**Features:** macOS Compatibility

**In-app purchases:** none


### Second View

[App page](https://appshunter.io/ios/app/second-view-viewfinder/id6761623499)

This tool assists photographers in planning shots by simulating their actual camera's field of view and aspect ratio. It includes a light meter, filter logging, and reciprocity correction for film stocks. Features like LiDAR distance measurement and composition guides help refine framing and exposure before taking the shot.

**Highlights:** Precise field-of-view matching, Real-time light meter with spot metering, ND, polarizer, and color filter logging, Reciprocity failure correction for 60 film stocks, LiDAR distance measurement, Composition and grid tools, Panorama simulation

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Second View Basic Yearly | $7.99 | per year |
| Second View Pro Yearly | $14.99 | per year |


## Frequently asked questions

### Is Manual Flash Calculator free?

Manual Flash Calculator costs $2.99, with no in-app purchases.

### Is Second View free?

Second View is free to download, with in-app purchases available.

### Do Manual Flash Calculator or Second View have ads?

Second View shows ads; Manual Flash Calculator does not.

### Which is updated more often, Manual Flash Calculator or Second View?

Manual Flash Calculator ships an update every 11 days, and Second View weekly. Most recently, Manual Flash Calculator was updated on October 25, 2026 and Second View on October 24, 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.*