# GoSpectro vs Alpha Focus Bracketing

The clearest difference is price: GoSpectro at Free against Alpha Focus Bracketing's $29.99. GoSpectro also leads on ratings volume (6 vs 1) and iOS requirement (8.0 vs 12.2). Alpha Focus Bracketing's advantage is rating (5.0 vs 2.3) and review sentiment (67% vs 25%). On ads, in-app purchases and device support there is nothing between them.

GoSpectro is free to download; Alpha Focus Bracketing costs $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Alpha Focus Bracketing holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: GoSpectro has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 25% of GoSpectro's written reviews are positive against 67% of Alpha Focus Bracketing's.

GoSpectro ships an update every 2 months, Alpha Focus Bracketing every 4 days. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | GoSpectro | Alpha Focus Bracketing |
| --- | --- | --- |
| Price | **Free** | $29.99 |
| Rating | [2.3 (6 ratings)](https://appshunter.io/ios/app/gospectro/id1152558447/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/alpha-focus-bracketing/id6504301194/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 25.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | **Free** | Paid |
| Size | 6 MB | 14 MB |
| Requires iOS | **8.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Kuntzel](https://appshunter.io/developer/1462804214) | [LEONARDO TAZZINI](https://appshunter.io/developer/1751785749) |

## What reviewers say

### GoSpectro

[App page](https://appshunter.io/ios/app/gospectro/id1152558447)

Transform your smartphone into a portable light spectrometer with this app and its accessory. Analyze spectral data for material characterization, with applications in gemology, food analysis, and water quality testing.

**Highlights:** Turn smartphone into a spectrometer, Measure, record, and analyze spectral data, Export spectral data, Material characterization, Applications in gemology and food industry

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

**In-app purchases:** none


### Alpha Focus Bracketing

[App page](https://appshunter.io/ios/app/alpha-focus-bracketing/id6504301194)

This app enables remote focus bracketing for Sony cameras, allowing you to capture a series of images with precise focus shifts from your smartphone. Achieve stunning depth of field and create timelapse sequences with advanced control over focus steps and camera settings.

**Highlights:** Remote focus bracketing, Timelapse sequence creation, Depth of field control, Highly customizable settings, Focus rewind and test modes, Flash compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is GoSpectro free?

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

### Is Alpha Focus Bracketing free?

Alpha Focus Bracketing costs $29.99, with no in-app purchases.

### Which has better reviews, GoSpectro or Alpha Focus Bracketing?

Alpha Focus Bracketing is rated higher. GoSpectro averages 2.3 out of 5 from 6 ratings, while Alpha Focus Bracketing averages 5.0 from 1 ratings.

### Do GoSpectro or Alpha Focus Bracketing have ads?

Neither GoSpectro nor Alpha Focus Bracketing shows ads.

### Which is updated more often, GoSpectro or Alpha Focus Bracketing?

GoSpectro ships an update every 2 months, and Alpha Focus Bracketing every 4 days. Most recently, GoSpectro was updated on November 6, 2026 and Alpha Focus Bracketing on November 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.*