# ListenPDF vs 小铭读书

ListenPDF and 小铭读书 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. ListenPDF sells 1 one-off in-app purchase and 小铭读书 sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ListenPDF ships an update every 2 days, 小铭读书 daily. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ListenPDF | 小铭读书 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6809186573/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Size | 18 MB | 125 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Infinity Inc. (Apps)](https://appshunter.io/developer/1680741877) | [Ming Kong](https://appshunter.io/developer/6809186575) |

## What reviewers say

### ListenPDF

[App page](https://appshunter.io/ios/app/listenpdf-ai-powered-reader/id6740225647)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $4.99 | one-time |


### 小铭读书

[App page](https://appshunter.io/ios/app/id6809186573)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小铭读书月度会员 | $0.99 | per month |
| 小铭读书年度会员 | $3.99 | per year |
| 小铭读书永久会员 | $14.99 | one-time |
| Online AI Voice | $19.90 | one-time |


## Frequently asked questions

### Is ListenPDF free?

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

### Is 小铭读书 free?

小铭读书 is free to download, with in-app purchases available.

### Do ListenPDF or 小铭读书 have ads?

Neither ListenPDF nor 小铭读书 shows ads.

### Which is updated more often, ListenPDF or 小铭读书?

ListenPDF ships an update every 2 days, and 小铭读书 daily. Most recently, ListenPDF was updated on October 25, 2026 and 小铭读书 on October 29, 2026.

---

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