# 找规范 vs PlanForm

The clearest difference is review sentiment: PlanForm at 100% against 找规范's 33%. PlanForm also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 5 months). 找规范's advantage is iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 找规范 sells 3 in-app purchases, starting at $0.49 per month and PlanForm sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

找规范 ships an update every 5 months, PlanForm every 3 weeks. The most recent releases landed on August 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 找规范 | PlanForm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/planform/id6748180587/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 181 MB | 22 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [疆 边](https://appshunter.io/developer/1124320934) | [Beijing Honghu Yuntu Technology Co., Ltd.](https://appshunter.io/developer/1480505512) |

## What reviewers say

### 找规范

[App page](https://appshunter.io/ios/app/id1501066856)

Quickly search and access building design code clauses. This app offers local search, favorites, and adjustable text size for easy reference. Supports dark mode and includes a vast library of current national and industry standards.

**Highlights:** Local code clause search, Favorites for important clauses, Adjustable text size, Dark mode support, Includes numerous national standards, Offline access to clauses

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 正式版 | $0.49 | per month |
| 正式版 | $2.99 | per year |
| 永久订阅 | $7.99 | one-time |


### 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 找规范 free?

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

### Is PlanForm free?

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

### Do 找规范 or PlanForm have ads?

找规范 shows ads; PlanForm does not.

### Which is updated more often, 找规范 or PlanForm?

找规范 ships an update every 5 months, and PlanForm every 3 weeks. Most recently, 找规范 was updated on August 25, 2026 and PlanForm on September 21, 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.*