# ePdfUB vs AI Recorder

The clearest difference is price: AI Recorder at Free against ePdfUB's $3.99. AI Recorder also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (18.0 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

AI Recorder is free to download; ePdfUB costs $3.99 up front. ePdfUB sells 2 in-app purchases, starting at $0.99 per year and AI Recorder sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ePdfUB ships an update every 2 months, AI Recorder every 2 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ePdfUB | AI Recorder |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/ai-recorder-live-transcriber/id6785515364/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 234 MB |
| Requires iOS | 26.2 | **18.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Chia Hsien Wei](https://appshunter.io/developer/6778780638) | [成琦 李](https://appshunter.io/developer/6783141004) |

## What reviewers say

### ePdfUB

[App page](https://appshunter.io/ios/app/epdfub/id6780764422)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $0.99 | per year |
| lifetime | $2.99 | one-time |


### AI Recorder

[App page](https://appshunter.io/ios/app/ai-recorder-live-transcriber/id6785515364)

This app records, transcribes, and translates speech in real-time, all processed locally on your device for complete privacy. It works offline, making it ideal for capturing conversations, lectures, and notes anywhere.

**Highlights:** Offline real-time speech-to-text, Instant offline translation, 100% offline processing, AI-powered searchable transcripts, Record from Apple Watch, Organize and search recordings

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $4.99 | per month |
| Annual Pro | $9.99 | per year |
| Lifetime Pro | $11.99 | one-time |


## Frequently asked questions

### Is ePdfUB free?

ePdfUB costs $3.99, and also offers in-app purchases.

### Is AI Recorder free?

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

### Do ePdfUB or AI Recorder have ads?

Neither ePdfUB nor AI Recorder shows ads.

### Which is updated more often, ePdfUB or AI Recorder?

ePdfUB ships an update every 2 months, and AI Recorder every 2 weeks. Most recently, ePdfUB was updated on October 25, 2026 and AI Recorder on October 31, 2026.

---

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