# PIMCenter vs PlanForm

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

Both are free to download. PlanForm sells 3 one-off in-app purchases. PIMCenter asks for nothing beyond the download.

PIMCenter ships an update every 4 months, PlanForm every 3 weeks. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PIMCenter | PlanForm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/planform/id6748180587/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 52 MB | 22 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DMS Corporation Co., Ltd.](https://appshunter.io/developer/1214145285) | [Beijing Honghu Yuntu Technology Co., Ltd.](https://appshunter.io/developer/1480505512) |

## What reviewers say

### PIMCenter

[App page](https://appshunter.io/ios/app/pimcenter/id1434025112)

**Features:** macOS Compatibility

**In-app purchases:** none


### PlanForm

[App page](https://appshunter.io/ios/app/planform/id6748180587)

This professional-grade PDF reader is built for AEC professionals to view, measure, and annotate technical drawings and PDFs with precision. It offers advanced tools for measurement, markup, OCR, and document management across various devices.

**Highlights:** Seamless PDF viewing and browsing, Precise measurement tools with scale setting, Extensive annotation options, OCR for text and table extraction, Document management and conversion tools, Revision drawing comparison

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Plan | $15.00 | one-time |
| 6 Month Plan | $80.00 | one-time |
| 1 Year Plan | $100.00 | one-time |


## Frequently asked questions

### Is PIMCenter free?

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

### Is PlanForm free?

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

### Do PIMCenter or PlanForm have ads?

Neither PIMCenter nor PlanForm shows ads.

### Which is updated more often, PIMCenter or PlanForm?

PIMCenter ships an update every 4 months, and PlanForm every 3 weeks. Most recently, PIMCenter was updated on October 4, 2026 and PlanForm on October 7, 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.*