照片尺寸修改 vs 盖章
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
照片尺寸修改
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快速调整照片尺寸比例与分辨率并导出新图片。
盖章
Easily add stamps and handwritten electronic signatures to PDF documents. Process contracts and agreements efficiently without printing or scanning, keeping your data secure locally on your device.
- Smart PDF stamping
- Across-page seal generation
- Handwritten electronic signatures
- Batch stamping and signing
- Local data processing
- Seamless document import/export
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【PDF Stamp】: Supports single‑page stamping and multi‑page batch stamping for round official seals, oval stamps and square stamps. 【Cross‑Page Seal】: Supports cross‑page stamping, automatically applying the seal on the edge of each page. 【Stamp Effects】: Provides stamp aging and imprint effect adjustments to replicate the real ink‑stamping look on physical paper. 【Stamp Creation】: Three stamp‑making options: extract seal from photo, import seal image, or generate seal by entering company information. 【Handwritten Signature】: Supports handwritten signatures with adjustable stroke thickness and font size. 【Secure & Reliable】: All processing is done locally. No private data is collected to fully protect your data security. 【PDF盖章】：支持单页盖章，多页批量盖章，无论是圆形公章、椭圆章还是方形印章 【盖骑缝章】：支持盖骑缝章，自动给每页边缘盖骑缝章 【印章效果】：支持印章做旧，印迹效果调整，还原真实纸质盖章水墨效果 【印章制作】：支持拍照提取印章，导入印章图片，以及输入公司信息制作印章三种方式 【手写签名】：支持手写签名，设置签名粗细和字体大小 【安全可靠】：本地化处理，不收集任何隐私数据，全方位保护您的数据安全 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Screenshots
Verdict
The clearest difference is in-app purchases: 照片尺寸修改 at none against 盖章's 2. 照片尺寸修改 also leads on update cadence (every 2 days vs every 5 days). 盖章's advantage is ads (none vs shown) and device support (4 vs 2). On price and iOS requirement 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. 盖章 sells 2 in-app purchases, starting at $2.99 per month. 照片尺寸修改 asks for nothing beyond the download.
照片尺寸修改 ships an update every 2 days, 盖章 every 5 days. The most recent releases landed on September 14, 2026 and September 28, 2026 respectively.
| Parameter | 照片尺寸修改 | 盖章 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 2 days — better | Every 5 days |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 16 | 15.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 7 MB |
| Age rating | 17+ | 4+ |
| Developer | 子幸 聂 | Hangzhou Niufen Network Technology Co., Ltd. |
In-app purchases
照片尺寸修改
No in-app purchases
盖章
- E‑Stamp Service$2.991 Month
- 无纸盖章永久版$9.99
