# Panda PDF vs SHIMGE PUMP Selection System

The clearest difference is in-app purchases: SHIMGE PUMP Selection System at none against Panda PDF's 4. SHIMGE PUMP Selection System also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Panda PDF sells 4 in-app purchases, starting at $9.99 per month. SHIMGE PUMP Selection System asks for nothing beyond the download.

Panda PDF ships an update every 2 months, SHIMGE PUMP Selection System every 3 weeks. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Panda PDF | SHIMGE PUMP Selection System |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 87 MB | 33 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [维 刘](https://appshunter.io/developer/1724967932) | [旭 汤](https://appshunter.io/developer/1034622624) |

## What reviewers say

### Panda PDF

[App page](https://appshunter.io/ios/app/panda-pdf-reader-and-editor-pdf/id6476367127)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PandaPDF Membership | $9.99 | per month |
| PandaPDF Membership | $19.99 | per 3 months |
| PandaPDF Membership | $59.99 | per year |
| PandaPDF Permanent Membership | $99.99 | one-time |


### SHIMGE PUMP Selection System

[App page](https://appshunter.io/ios/app/shimge-pump-selection-system/id6736855209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Panda PDF free?

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

### Is SHIMGE PUMP Selection System free?

SHIMGE PUMP Selection System is free to download, with no in-app purchases.

### Do Panda PDF or SHIMGE PUMP Selection System have ads?

Neither Panda PDF nor SHIMGE PUMP Selection System shows ads.

### Which is updated more often, Panda PDF or SHIMGE PUMP Selection System?

Panda PDF ships an update every 2 months, and SHIMGE PUMP Selection System every 3 weeks. Most recently, Panda PDF was updated on October 6, 2026 and SHIMGE PUMP Selection System on October 3, 2026.

---

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