INVT Pump vs 小库存升级版
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
INVT Pump
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IOT for PV PUMP is the mobile internet-based monitoring software of PV pumping. The user can monitor the operation instantly and attain the key data such as the running status, fault information, running record and so on. The device running such as fault and alarm information can be viewed, too. The running status can be evaluated effectively through various chart and report analysis.
小库存升级版
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小库存升级版是一款库存管理软件，维护商品、客户、交易之间的关系，界面简洁，操作简单，无需专业知识，主要针对小型用户使用。
Screenshots
Verdict
The clearest difference is in-app purchases: INVT Pump at none against 小库存升级版's 3. INVT Pump also leads on iOS requirement (9.0 vs 16.6). 小库存升级版's advantage is update cadence (weekly vs every 4 months). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. 小库存升级版 sells 3 one-off in-app purchases. INVT Pump asks for nothing beyond the download.
INVT Pump ships an update every 4 months, 小库存升级版 weekly. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.
| Parameter | INVT Pump | 小库存升级版 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 46 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | 深圳市英威腾电气股份有限公司 | 忠和 朱 |
In-app purchases
INVT Pump
No in-app purchases
小库存升级版
- 月度费用$1.99
- 年度费用$13.99
- 年度费用$19.99
