口袋图鉴 vs Caliper 卡牌居中检测
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
口袋图鉴
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提供对战数据分析（包括使用率排行、战术价值、性格培育、队伍组队、道具携带、压制对策等），帮助对战玩家更好的配置队伍和选择对战策略。涵盖全世代图鉴查询，数据全面，操作便捷，是训练家对战的得力助手。
Caliper 卡牌居中检测
This app helps trading card collectors measure card centering before grading. It uses your device's camera to analyze card corners and print alignment, providing centering percentages and estimated grading scores for major services. Save, share, and access card resources.
- Real-time perspective correction preview
- Precise print alignment reference lines
- Displays centering percentages
- Estimates PSA, CGC, BGS scores
- Supports various zoom and fine-tuning methods
- Save and share measurement results
- Card resources and illustrator information
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Caliper 帮助集换式卡牌收藏者在送评前测量卡牌居中情况。\n\n拍摄或选择一张清晰照片，将四个角点放到卡牌实体边缘，再在自动校正的预览图中对齐印刷画面参考线。Caliper 会计算左右和上下居中比例，并提供 PSA、CGC、BGS 的参考估算。\n\n主要功能：\n\n- 调整卡牌外角时实时更新透视校正预览\n- 精确放置印刷画面四条参考线\n- 显示左右、上下居中比例\n- 提供 PSA、CGC、BGS 参考估算\n- 支持双指、滚轮、按钮缩放和键盘精调\n- 保存或分享测量结果图片\n- 提供精选卡牌资料、文章和插画师信息\n- 支持英文、简体中文、日文、西班牙文和泰文\n\n选择的照片和测量结果图片只在设备本地处理。Caliper 仅发送匿名的产品交互与诊断事件，不上传卡牌图片、不要求注册账户、不展示广告，也不会跨应用或网站跟踪用户。\n\n居中只是评级的一部分。边角、边缘、表面状态以及评级机构的判断都会影响最终等级。Caliper 提供测量参考，不保证最终评级结果。
Screenshots
Verdict
The clearest difference is ratings volume: 口袋图鉴 at 7 against Caliper 卡牌居中检测's 1. On price, rating, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for 口袋图鉴 against 5.0 for Caliper 卡牌居中检测. That said, the two scores are not equally well evidenced: 口袋图鉴 has 7 ratings behind it against 1, so its average is the more settled of the two.
口袋图鉴 ships an update every 2 weeks, Caliper 卡牌居中检测 fortnightly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | 口袋图鉴 | Caliper 卡牌居中检测 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) | 5.0 (1 ratings) |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 2 weeks — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 235 MB | 31 MB |
| Age rating | 17+ | 4+ |
| Developer | 南京瞬息科技有限公司 | GoHiMicroElectronics Co., Ltd. |
Customer experience
口袋图鉴
Caliper 卡牌居中检测
In-app purchases
口袋图鉴
No in-app purchases
Caliper 卡牌居中检测
No in-app purchases
