Smart Puncture vs DoctLink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Puncture
This app helps visualize angles and distances relative to gravity. It displays a line that rotates with your iPhone, changing background color when tilted. You can also draw circles to measure distances from the rotation center.
- Angle rotation with gravity reference
- Background color changes with tilt
- Draw circles for distance measurement
- Visualize lines with rotation
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When you press “Rotate” after setting angle, your iPhone displays the line with respect to gravity. When your iPhone is tilted, background color will change. You can draw two circles around the center of rotation to know the distance.
DoctLink
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「DoctLink」は医師限定のネットワーキングサービスになります。 医師の皆さんに安心して活用いただくために医師資格確認が重要となります。 利用開始時に医籍登録番号等をご提出いただきますことご了承ください。 「DoctLink」が提供する主な機能は下記の通りです。 ・医師特化プロフィール登録機能 ・コミュニティ機能（プライベート・公開） ・フォロー機能 ・チャット機能（個別・グループ） ・投稿機能 ・通知機能
Screenshots
Verdict
The clearest difference is update cadence: DoctLink at every 3 weeks against Smart Puncture's every 9 months. Smart Puncture's advantage is iOS requirement (12.0 vs 14.0.0). On price, ads, in-app purchases and device support 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.
Smart Puncture ships an update every 9 months, DoctLink every 3 weeks. The most recent releases landed on October 3, 2026 and October 21, 2026 respectively.
| Parameter | Smart Puncture | DoctLink |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 9 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 14.0.0 |
| Further details — not scored | ||
| Size | 9 MB | 65 MB |
| Age rating | 4+ | 17+ |
| Developer | Masaaki Hirata | DoctLink株式会社 |
In-app purchases
Smart Puncture
No in-app purchases
DoctLink
No in-app purchases
