# 人邮知书 vs Numblr

The clearest difference is in-app purchases: 人邮知书 at none against Numblr's 4. 人邮知书 also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Numblr sells 4 one-off in-app purchases. 人邮知书 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 人邮知书 | Numblr |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 404 MB | 107 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Posts & Telecommunications Press](https://appshunter.io/developer/1214194493) | [YUNJIAN NI](https://appshunter.io/developer/1894581179) |

## What reviewers say

### 人邮知书

[App page](https://appshunter.io/ios/app/id6443999317)

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

**In-app purchases:** none


### Numblr

[App page](https://appshunter.io/ios/app/numblr-english-number-test/id6762537456)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 Days of Numblr Pro | $4.99 | one-time |
| 12 Months of Numblr Pro | $12.99 | one-time |
| 12 Months of Numblr Pro | $29.99 | one-time |
| Numblr Pro Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is 人邮知书 free?

人邮知书 is free to download, with no in-app purchases.

### Is Numblr free?

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

### Do 人邮知书 or Numblr have ads?

Neither 人邮知书 nor Numblr shows ads.

### Which is updated more often, 人邮知书 or Numblr?

人邮知书 ships an update every 3 weeks, and Numblr every 3 weeks. Most recently, 人邮知书 was updated on October 12, 2026 and Numblr on October 5, 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.*