# Calibration Plus vs Second View

The clearest difference is price: Second View at Free against Calibration Plus's $2.99. Second View also leads on rating (4.0 vs 3.0) and update cadence (weekly vs every 21 months). Calibration Plus's advantage is in-app purchases (none vs 2) and ads (none vs shown). On review sentiment, ratings volume and iOS requirement there is nothing between them.

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

Second View holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 50% of Calibration Plus's written reviews are positive against 56% of Second View's.

Calibration Plus ships an update every 21 months, Second View weekly. The most recent releases landed on September 10, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Calibration Plus | Second View |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/calibration-plus/id1414916538/reviews) | **[4.0 (5 ratings)](https://appshunter.io/ios/app/second-view-viewfinder/id6761623499/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | 50.0% of reviews | **55.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 14 MB | 36 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Le bord de la piscine](https://appshunter.io/developer/456593417) | [Benoit Linard](https://appshunter.io/developer/1890500952) |

## What reviewers say

### Calibration Plus

[App page](https://appshunter.io/ios/app/calibration-plus/id1414916538)

This app aids in creating digital negatives for alternate process printing, offering fine tone control. It helps achieve better prints with improved dark, white, and halftone tones by designing correction curves. Generate reference charts and use image processing software to refine your digital negatives for perfect prints.

**Highlights:** Fine tone control for digital negatives, Correction curve design, Reference chart generation, Alternate process printing aid, Improved print quality

**Features:** Vision Pro support

**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 Calibration Plus free?

Calibration Plus costs $2.99, with no in-app purchases.

### Is Second View free?

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

### Which has better reviews, Calibration Plus or Second View?

Second View is rated higher. Calibration Plus averages 3.0 out of 5 from 2 ratings, while Second View averages 4.0 from 5 ratings.

### Do Calibration Plus or Second View have ads?

Second View shows ads; Calibration Plus does not.

### Which is updated more often, Calibration Plus or Second View?

Calibration Plus ships an update every 21 months, and Second View weekly. Most recently, Calibration Plus was updated on September 10, 2026 and Second View on August 12, 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.*