Comparison

GoSpectro vs Alpha Focus Bracketing

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

GoSpectro

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
Read full description

Spectroscopy is a powerful tool that allows to analyze matter from the spectral component of light. So far, it has been restricted to professionals, considering the cost, the size and complexity of the equipment. Today, GoSpectro puts the power of spectroscopy in the hands of everyone, offering the world’s most compact and most simple light spectrometers. This application, combined with the GoSpectro accessory, allows to turn any smartphone into a light spectrometer in order to measure, record, analyze and export spectral data. It is the ideal companion for students, professionals or anyone who needs to measure a light spectrum on the go. This enables to perform material characterization and analysis with an ultra-compact device natively connected to the internet, with applications in gemology (gem identification), food industry (color measurement, allergen detection), water quality (pollution detection), academia/teaching, anti-counterfeiting, art, etc.

About

Alpha Focus Bracketing

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
Read full description

Struggling with blurry macro or landscape photos? Achieve perfect focus every time with Alpha Focus Bracketing, the world's first app for remote focus bracketing that include stunning timelapse sequences. Unleash the hidden potential of your Sony camera and achieve breathtaking depth of field in every shot. Unmatched Focus Control: • Remote Bracketing: Capture a series of images with precise focus shifts, all from your smartphone. • Depth of Field Magic: Achieve stunning depth of field in every frame of your timelapse, no matter the subject. • Highly Customizable: Fine-tune focus steps, number of images, and timelapse settings for ultimate creative freedom. Professional Features: • Focus Rewind, Pre-Bracketing, Focus Test Mode, Bulb Time, Auto rewind, Clapper Board with Auto Review, DoF Calculator, Reverse Direction: Take full control over your focus bracketing process. • Low Power Consumption: Bluetooth LE ensures long battery life for extended shooting. • Flash Compatibility: Internal or external flash with adjustable delay for perfect lighting. Compatible Cameras: ILCE-6100 (A6100), ILCE-6400 (A6400), ILCE-6600 (A6600), ILCE-6700 (A6700), ILCE-7M3 (A7 III), ILCE-7M4 (A7 IV), ILCE-7RM4A (A7R IV), ILCE-7C (A7C), ILCE-7CM2 (A7C II), ILCE-7CR (A7CR), ILCE-7RM3 (A7R III), ILCE-7RM4 (A7R IV), ILCE-7RM5 (A7R V), ILCE-7SM3 (A7S III), ILCE-9 (A9), ILCE-9M2 (A9 II), ILCE-9M3 (A9 III), ILCE-1 (A1), ILCE-1M2 (A1 II), ZV-E10, ZV-E10M2 (ZV-E10 II), ZV-E1, DSX-RX0M2 (RX0 II), DSC-RX100M7 (RX100 VII), DSC-RX1RM3 (RX1R III), ZV-1, ZV-1F, ZV-1A, ZV-1M2 (ZV-1 II), ILX-LR1, ILME-FX30 (FX30), ILME-FX2 (FX2), ILME-FX3 (FX3), ILME-FX3A (FX3A) Download Alpha Focus Bracketing today and elevate your photography with stunning depth of field in every shot! This app is not endorsed by Sony. SONY is a trademark of Sony Corporation.

Screenshots

GoSpectro2 screens
Alpha Focus Bracketing4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
GoSpectro versus Alpha Focus Bracketing: the parameters behind the verdict, then further details
ParameterGoSpectroAlpha Focus Bracketing
PriceFree — better$29.99
Rating2.3 (6 ratings)5.0 (1 ratings) — better
Positive reviews25.0% of reviews66.7% of reviews — better
Number of ratings6 — better1
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better12.2
Further details — not scored
Size6 MB14 MB
Age rating4+4+
DeveloperThomas KuntzelLEONARDO TAZZINI

Customer experience

GoSpectro

All ratings6 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

Alpha Focus Bracketing

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

GoSpectro

No in-app purchases

None

Alpha Focus Bracketing

No in-app purchases

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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