# InstaCarousel IO vs subMatik

The clearest difference is in-app purchases: subMatik at none against InstaCarousel IO's 2. InstaCarousel IO's advantage is update cadence (every 6 days vs every 3 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. InstaCarousel IO sells 2 in-app purchases, starting at $9.99 per month. subMatik asks for nothing beyond the download.

InstaCarousel IO ships an update every 6 days, subMatik every 3 weeks. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | InstaCarousel IO | subMatik |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/submatik/id6772765762/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 34 MB | 7 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sanskar Tiwari](https://appshunter.io/developer/1589580771) | [Sevki Bugra Ozbek](https://appshunter.io/developer/1896531994) |

## What reviewers say

### InstaCarousel IO

[App page](https://appshunter.io/ios/app/instacarousel-io/id6759493895)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InstaCarousel Pro | $9.99 | per month |
| InstaCarousel Pro | $49.99 | per year |


### subMatik

[App page](https://appshunter.io/ios/app/submatik/id6772765762)

This app transforms your iPhone into a subtitle creation studio. It automatically generates accurate, timed captions for any video or audio file directly on your device, supporting over 70 languages. You can also translate existing captions or burn them directly into your video for easy sharing.

**Highlights:** On-device AI transcription, 70+ language support, Context-aware translation, Vertical-friendly subtitle placement, Burn-in subtitles to video, SRT and MP4 export

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

**In-app purchases:** none


## Frequently asked questions

### Is InstaCarousel IO free?

InstaCarousel IO is free to download, with in-app purchases available.

### Is subMatik free?

subMatik is free to download, with no in-app purchases.

### Do InstaCarousel IO or subMatik have ads?

Neither InstaCarousel IO nor subMatik shows ads.

### Which is updated more often, InstaCarousel IO or subMatik?

InstaCarousel IO ships an update every 6 days, and subMatik every 3 weeks. Most recently, InstaCarousel IO was updated on September 28, 2026 and subMatik on September 30, 2026.

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