Comparison

GLance Pro vs Spectroscope

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

Head to head
About

GLance Pro

This professional color management tool allows you to pick colors from images or your camera, convert between various color formats, and organize your color palettes. It offers a pure, ad-free creative environment with precise color control for designers and developers.

Highlights
  • Real-world and image color picking
  • Full-format color value support (HEX, RGB, CMYK, HSB)
  • Precision color palette tuning
  • Advanced color card management
  • Immersive full-screen solid preview
  • Ad-free experience
Features
Read full description

"GLance Pro" is a professional color management tool. As a one-time purchase with zero ads forever, it provides you with a pure, efficient, and immersive creative environment. We bring you full-format color value support and a refined color card management solution, ensuring that every pixel on your screen precisely matches your design vision. Real-World & Image Color Picking: Supports importing local images or opening your camera to extract colors directly from real-life objects. Professional All-Format Conversion: Achieve precise conversions between HEX, RGB, CMYK, and HSB with a single click, seamlessly bridging the needs of front-end development and print design. Precision Color Palette: Built-in RGB sliders allow you to fine-tune your extracted colors, delivering a true WYSIWYG (What You See Is What You Get) experience. Advanced Color Card Management: Supports drag-and-drop sorting and custom grouping, keeping hundreds of your inspiration color cards perfectly organized. Immersive Full-Screen Solid Preview: Removes all UI distractions to display solid colors in full screen, making cross-device color comparison and visual effect evaluation a breeze. Ultimate Pure Experience: A one-time purchase guarantees a lifetime of professional-grade utility, completely free from ads and annoying in-app purchases. Leave your time for creativity, and let "GLance Pro" handle the tedious color calculations. Upgrade today and complete your professional design arsenal.

About

Spectroscope

Features
Currently charting
Read full description

Professional Spectral Analysis in Your Pocket Transform your smartphone into a powerful, calibrated optical spectrometer. Designed for science educators, researchers, and hobbyists, "Spectroscope" bridges the gap between educational tools and laboratory instrumentation. Connect a clip-on spectroscope hardware and start capturing, calibrating, and analyzing light spectra in real-time. NEW IN VERSION 2.0: • Reference Mode (REF): Perform comparative analysis seamlessly. Freeze a baseline spectrum (e.g., White Light) and compare it against live samples in real-time. Perfect for demonstrating Absorbance and Transmittance in the classroom without exporting data. • Multi-Camera Support: Fully optimized for modern devices. Select the specific lens (Telephoto, Ultra-Wide, Front/Back) that best fits your mounting setup directly from Settings. KEY FEATURES: • Precision Data Export: Generate scientific-grade CSV files with 4-decimal precision for both Wavelength (nm) and Intensity • Easy Calibration: Calibrate accurate X-axis (nanometers) using standard CFL lamps (Mercury peaks) or define your own custom reference points. • Live Analysis: Visualize data with the integrated high-contrast chart, featuring peak detection and adjustable exposure/focus locks. • Universal Compatibility: Works with any DIY or commercial spectroscope with a smartphone mount. APPLICATIONS: • Physics & Astronomy: Analyze emission lines of light sources and stars. • Chemistry Labs: Measure absorbance of colored solutions using the new REF workflow. • Gemology & Field Work: Portable analysis anywhere, anytime. Download the complete User Manual with step-by-step lab workflows here: https://www.majinsoft.com/apps/spectroscope/Spectroscope_User_Manual.pdf

Screenshots

GLance Pro4 screens
Spectroscope1 screens

Verdict

The call

The clearest difference is price: GLance Pro at $4.99 against Spectroscope's $14.99. Spectroscope's advantage is update cadence (every 5 days vs every 5 weeks) and chart position (#195 vs unranked). On ads, in-app purchases, device support and iOS requirement 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

GLance Pro costs $4.99 and Spectroscope $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

GLance Pro ships an update every 5 weeks, Spectroscope every 5 days. The most recent releases landed on September 6, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 8 level
GLance Pro versus Spectroscope: the parameters behind the verdict, then further details
ParameterGLance ProSpectroscope
Price$4.99 — better$14.99
Rating3.4 (9 ratings) — better—
Positive reviews89.5% of reviews—
Number of ratings9 — better—
Update frequencyEvery 5 weeksEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank—#195 — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size11 MB25 MB
Age rating4+4+
Developer竞尘 胡LEONARDO TAZZINI

In-app purchases

None

GLance Pro

No in-app purchases

None

Spectroscope

No in-app purchases

Questions

Is GLance Pro free?
GLance Pro costs $4.99, with no in-app purchases.
Is Spectroscope free?
Spectroscope costs $14.99, with no in-app purchases.
Do GLance Pro or Spectroscope have ads?
Neither GLance Pro nor Spectroscope shows ads.
Which is updated more often, GLance Pro or Spectroscope?
GLance Pro ships an update every 5 weeks, and Spectroscope every 5 days. Most recently, GLance Pro was updated on September 6, 2026 and Spectroscope on September 9, 2026.

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