# SUBTL vs Daystack

The clearest difference is in-app purchases: Daystack at none against SUBTL's 1. Daystack also leads on ads (none vs shown). SUBTL's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. SUBTL sells 1 in-app purchase, starting at $4.99 per month. Daystack asks for nothing beyond the download.

SUBTL ships an update weekly, Daystack every 5 days. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SUBTL | Daystack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 5 days** |
| Size | 27 MB | 2 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kabilan Mohan](https://appshunter.io/developer/1894184608) | [Burak SAKALLI](https://appshunter.io/developer/1891067469) |

## What reviewers say

### SUBTL

[App page](https://appshunter.io/ios/app/subtl-ai-captions/id6787676093)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SUBTL Pro | $4.99 | per month |


### Daystack

[App page](https://appshunter.io/ios/app/daystack-video-collage/id6816169510)

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

**In-app purchases:** none


## Frequently asked questions

### Is SUBTL free?

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

### Is Daystack free?

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

### Do SUBTL or Daystack have ads?

SUBTL shows ads; Daystack does not.

### Which is updated more often, SUBTL or Daystack?

SUBTL ships an update weekly, and Daystack every 5 days. Most recently, SUBTL was updated on October 14, 2026 and Daystack on October 19, 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.*