# 小库存升级版 vs 证好存

The clearest difference is in-app purchases: 证好存 at none against 小库存升级版's 3. 证好存 also leads on iOS requirement (13.0 vs 16.6). 小库存升级版's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. 小库存升级版 sells 3 one-off in-app purchases. 证好存 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 小库存升级版 | 证好存 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Size | 27 MB | 102 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [忠和 朱](https://appshunter.io/developer/693145014) | [沈阳宇科智能信息技术有限 公司](https://appshunter.io/developer/1751850032) |

## What reviewers say

### 小库存升级版

[App page](https://appshunter.io/ios/app/id1425757719)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度费用 | $1.99 | one-time |
| 年度费用 | $13.99 | one-time |
| 年度费用 | $19.99 | one-time |


### 证好存

[App page](https://appshunter.io/ios/app/id6755409848)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 小库存升级版 free?

小库存升级版 is free to download, with in-app purchases available.

### Is 证好存 free?

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

### Do 小库存升级版 or 证好存 have ads?

证好存 shows ads; 小库存升级版 does not.

### Which is updated more often, 小库存升级版 or 证好存?

小库存升级版 ships an update weekly, and 证好存 weekly. Most recently, 小库存升级版 was updated on October 26, 2026 and 证好存 on October 30, 2026.

---

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