Comparison

Subverter vs Spectroscope

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

Head to head
About

Subverter

Easily convert subtitle files between various formats like SRT, VTT, and ASS. This app prioritizes user privacy with local, offline processing and offers a clean, ad-free experience for video editors and content creators.

Highlights
  • Wide format support (SRT, VTT, SSA/ASS, SUB, SBV)
  • Offline conversion
  • Ad-free experience
  • User-friendly interface
  • Local processing for privacy
Features
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Transform your subtitles quickly and effortlessly with Subverter, the go-to app for all your subtitle conversion needs. Whether you’re a video editor, content creator, or hobbyist, Subverter makes subtitle conversion a breeze. Key features: - Wide format support: seamlessly convert between SRT, VTT, SSA/ASS, SUB, and SBV formats, ensuring compatibility with all platforms. - Offline conversion: your privacy is our priority—everything happens locally on your device. - No ads, no distractions: focus on your work with a clean, ad-free experience. - User-friendly interface: import, choose your formats, and convert in just a few taps. Subverter combines power and simplicity to help you save time and stay productive. Start converting your subtitles today and elevate your video projects!

About

Spectroscope

Features
Currently charting
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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

Subverter2 screens
Spectroscope1 screens

Verdict

The call

The clearest difference is price: Subverter at $1.99 against Spectroscope's $14.99. Spectroscope's advantage is update cadence (every 5 days vs every 3 months) 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

Subverter costs $1.99 and Spectroscope $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Subverter ships an update every 3 months, Spectroscope every 5 days. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 7 level
Subverter versus Spectroscope: the parameters behind the verdict, then further details
ParameterSubverterSpectroscope
Price$1.99 — better$14.99
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank—#195 — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size1 MB25 MB
Age rating4+4+
DeveloperMarco TiniLEONARDO TAZZINI

In-app purchases

None

Subverter

No in-app purchases

None

Spectroscope

No in-app purchases

Questions

Is Subverter free?
Subverter costs $1.99, with no in-app purchases.
Is Spectroscope free?
Spectroscope costs $14.99, with no in-app purchases.
Do Subverter or Spectroscope have ads?
Neither Subverter nor Spectroscope shows ads.
Which is updated more often, Subverter or Spectroscope?
Subverter ships an update every 3 months, and Spectroscope every 5 days. Most recently, Subverter was updated on September 20, 2026 and Spectroscope on September 9, 2026.

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