# Subverter vs Spectroscope

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.

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.

## The numbers

| Metric | Subverter | Spectroscope |
| --- | --- | --- |
| Price | **$1.99** | $14.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/subverter/id6741046402/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Paid | — |
| Best chart rank | — | **#195** |
| Size | 1 MB | 25 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marco Tini](https://appshunter.io/developer/544232459) | [LEONARDO TAZZINI](https://appshunter.io/developer/1751785749) |

## What reviewers say

### Subverter

[App page](https://appshunter.io/ios/app/subverter/id6741046402)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Spectroscope

[App page](https://appshunter.io/ios/app/spectroscope/id6741684078)

**Currently charting:** #195 Top Paid · Utilities (US App Store)

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

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*