# 纳豆日语 vs CATTI日语圣题库

The clearest difference is update cadence: CATTI日语圣题库 at every 3 weeks against 纳豆日语's every 9 months. CATTI日语圣题库 also leads on iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 纳豆日语 sells 7 one-off in-app purchases and CATTI日语圣题库 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

纳豆日语 ships an update every 9 months, CATTI日语圣题库 every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 纳豆日语 | CATTI日语圣题库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Size | 67 MB | 43 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhengzhou Qingkong Cultural Communication Co.Ltd.](https://appshunter.io/developer/1564704370) | [Sheng Cai E-books (Wuhan) Co., Ltd.](https://appshunter.io/developer/1448965022) |

## What reviewers say

### 纳豆日语

[App page](https://appshunter.io/ios/app/id1333914074)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6金币 | $0.99 | one-time |
| 30金币 | $4.99 | one-time |
| 60金币 | $8.99 | one-time |
| 98金币 | $14.99 | one-time |
| 298金币 | $39.99 | one-time |
| 588金币 | $89.99 | one-time |
| 纳豆598金币 | $89.99 | one-time |


### CATTI日语圣题库

[App page](https://appshunter.io/ios/app/catti/id1554706773)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 圣才月卡VIP会员 | $3.99 | one-time |
| 圣才季卡VIP会员 | $9.99 | one-time |
| 88圣才币 | $12.99 | one-time |
| 128圣才币 | $19.99 | one-time |
| 圣才半年卡VIP会员 | $19.99 | one-time |
| 圣才考研半年卡VIP会员 | $19.99 | one-time |
| 168圣才币 | $24.99 | one-time |
| 208圣才币 | $29.99 | one-time |
| 圣才年卡VIP会员 | $29.99 | one-time |
| 圣才考研年卡VIP会员 | $29.99 | one-time |


## Frequently asked questions

### Is 纳豆日语 free?

纳豆日语 is free to download, with in-app purchases available.

### Is CATTI日语圣题库 free?

CATTI日语圣题库 is free to download, with in-app purchases available.

### Do 纳豆日语 or CATTI日语圣题库 have ads?

Neither 纳豆日语 nor CATTI日语圣题库 shows ads.

### Which is updated more often, 纳豆日语 or CATTI日语圣题库?

纳豆日语 ships an update every 9 months, and CATTI日语圣题库 every 3 weeks. Most recently, 纳豆日语 was updated on November 2, 2026 and CATTI日语圣题库 on November 3, 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.*