# PromptMate vs AI Video Caption

The clearest difference is in-app purchases: PromptMate at none against AI Video Caption's 1. PromptMate also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). AI Video Caption's advantage is update cadence (fortnightly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. AI Video Caption sells 1 in-app purchase, starting at $3.99 per 7 days. PromptMate asks for nothing beyond the download.

PromptMate ships an update every 3 months, AI Video Caption fortnightly. The most recent releases landed on September 19, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | PromptMate | AI Video Caption |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai-video-caption-autocap/id6502766310/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 78 MB | 40 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Alakmalak](https://appshunter.io/developer/406782291) | [Maxim Backevich](https://appshunter.io/developer/1509085586) |

## What reviewers say

### PromptMate

[App page](https://appshunter.io/ios/app/promptmate/id1670378008)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Video Caption

[App page](https://appshunter.io/ios/app/ai-video-caption-autocap/id6502766310)

Easily add subtitles to your videos with this user-friendly app. Supports multiple languages, custom styling, and precise synchronization. Enhance your video content and reach a broader audience.

**Highlights:** Automatic subtitle generation, Multi-language support, Customizable subtitle styling, Seamless synchronization, User-friendly interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $3.99 | per 7 days |


## Frequently asked questions

### Is PromptMate free?

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

### Is AI Video Caption free?

AI Video Caption is free to download, with in-app purchases available.

### Do PromptMate or AI Video Caption have ads?

AI Video Caption shows ads; PromptMate does not.

### Which is updated more often, PromptMate or AI Video Caption?

PromptMate ships an update every 3 months, and AI Video Caption fortnightly. Most recently, PromptMate was updated on September 19, 2026 and AI Video Caption on August 21, 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.*