# AI Captioner vs AI TransPDF

The clearest difference is review sentiment: AI Captioner at 50% against AI TransPDF's 0%. AI Captioner also leads on rating (2.0 vs 1.0) and in-app purchases (none vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI TransPDF sells 3 one-off in-app purchases. AI Captioner asks for nothing beyond the download.

AI Captioner holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 50% of AI Captioner's written reviews are positive against 0% of AI TransPDF's.

## The numbers

| Metric | AI Captioner | AI TransPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (3 ratings)](https://appshunter.io/ios/app/ai-captioner/id6462363362/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/ai-transpdf-pdftranslation-app/id6670487869/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 181 MB | 43 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LI-JEN LIU](https://appshunter.io/developer/1700396778) | [FUTO K.K.](https://appshunter.io/developer/1766492534) |

## What reviewers say

### AI Captioner

[App page](https://appshunter.io/ios/app/ai-captioner/id6462363362)

This app provides offline, real-time voice transcription without needing an internet connection. It's ideal for quickly converting spoken words into text during meetings, while watching TV, or in conversations.

**Highlights:** Real-time live transcription, Fully offline functionality, No internet required, No login or subscription needed, Voice to text conversion

**Features:** macOS Compatibility

**In-app purchases:** none


### AI TransPDF

[App page](https://appshunter.io/ios/app/ai-transpdf-pdftranslation-app/id6670487869)

Translate PDF documents and images using advanced AI for accurate results. This app preserves original formatting and ensures data security through encryption. It offers a seamless translation experience for various document types.

**Highlights:** AI-powered text translation, Preserves original PDF formatting, Image translation with OCR, Encrypted data storage, Supports various document types

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4.99元充值套餐 | $4.99 | one-time |
| 59.99元充值套餐 | $59.99 | one-time |
| 499.99元充值套餐 | $499.99 | one-time |


## Frequently asked questions

### Is AI Captioner free?

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

### Is AI TransPDF free?

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

### Which has better reviews, AI Captioner or AI TransPDF?

AI Captioner is rated higher. AI Captioner averages 2.0 out of 5 from 3 ratings, while AI TransPDF averages 1.0 from 1 ratings.

### Do AI Captioner or AI TransPDF have ads?

Neither AI Captioner nor AI TransPDF shows ads.

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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.*