# eAbacus vs 精准记牌器

The clearest difference is in-app purchases: eAbacus at none against 精准记牌器's 3. eAbacus also leads on update cadence (daily vs weekly). 精准记牌器's advantage is iOS requirement (15.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. 精准记牌器 sells 3 one-off in-app purchases. eAbacus asks for nothing beyond the download.

eAbacus ships an update daily, 精准记牌器 weekly. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | eAbacus | 精准记牌器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Size | 13 MB | 12 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Weigan Technology (Shenzhen) Co., Ltd.](https://appshunter.io/developer/1896482773) | [Sichuan Zhonglonghui Technology Co., Ltd](https://appshunter.io/developer/6788311380) |

## What reviewers say

### eAbacus

[App page](https://appshunter.io/ios/app/eabacus/id6768071040)

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

**In-app purchases:** none


### 精准记牌器

[App page](https://appshunter.io/ios/app/510k/id6788311378)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 精准记牌器一个月 | $4.99 | one-time |
| 精准记牌器三个月 | $14.99 | one-time |
| 精准记牌器一年 | $29.99 | one-time |


## Frequently asked questions

### Is eAbacus free?

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

### Is 精准记牌器 free?

精准记牌器 is free to download, with in-app purchases available.

### Do eAbacus or 精准记牌器 have ads?

Neither eAbacus nor 精准记牌器 shows ads.

### Which is updated more often, eAbacus or 精准记牌器?

eAbacus ships an update daily, and 精准记牌器 weekly. Most recently, eAbacus was updated on October 4, 2026 and 精准记牌器 on October 2, 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.*