Subverter vs Spectroscope
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Wide format support (SRT, VTT, SSA/ASS, SUB, SBV)
- Offline conversion
- Ad-free experience
- User-friendly interface
- Local processing for privacy
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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!
Spectroscope
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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
Verdict
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
Subverter costs $1.99 and Spectroscope $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Subverter | Spectroscope |
|---|---|---|
| Price | $1.99 — better | $14.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | — | #195 — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Marco Tini | LEONARDO TAZZINI |
In-app purchases
Subverter
No in-app purchases
Spectroscope
No in-app purchases
Questions
Is Subverter free?
Is Spectroscope free?
Do Subverter or Spectroscope have ads?
Which is updated more often, Subverter or Spectroscope?
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