おっとっとスタンプメーカー vs Perspective Lab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
おっとっとスタンプメーカー
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おっとっとスタンプメーカーは好きな写真でオリジナルスタンプが作れるアプリです。 スタンプはLINEなどのSNSにワンタッチで送れ、とっても便利。 さらに、おっとっとを買うとスペシャルフレームがもらえる特典も! [使い方] 1.アプリを起動させてスタンプにしたい写真を選択 2.次に好きなフレームを選択。おっとっとを買うと「とと丸くんフレーム」など全16種類のスペシャルフレームがゲットできます。 3.スタンプはLINEなどのSNSにワンタッチで送れます。保存もできるので、いつでも好きな時に使うこともできます。
Perspective Lab
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Perspective Lab is a geometry correction app that does not let AI change the content of your photos. Fix distortion, not your photo. Correct tilt, perspective, and keystone distortion in architecture, interiors, documents, artwork, and more—only as much as you choose. Processing stays on your device, and your original photo is never overwritten. Features • Smart Auto: Applies a natural correction only when the result is reliable • Quick Level: Straighten a photo in seconds • Manual controls: Fine-tune tilt, verticals, horizontals, aspect ratio, and scale • Guides: Place reference lines to correct buildings, horizons, and other straight edges • Press and hold to compare before and after • Save at original resolution • Privacy-focused: Photos are processed on your device and originals remain unchanged Try Pro features free for 7 days. The trial does not renew automatically.
Screenshots
Verdict
The clearest difference is in-app purchases: おっとっとスタンプメーカー at none against Perspective Lab's 2. おっとっとスタンプメーカー also leads on iOS requirement (8.0 vs 17.0). Perspective Lab's advantage is update cadence (weekly vs every 4 weeks). On price, ads 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. Perspective Lab sells 2 one-off in-app purchases. おっとっとスタンプメーカー asks for nothing beyond the download.
おっとっとスタンプメーカー ships an update every 4 weeks, Perspective Lab weekly. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.
| Parameter | おっとっとスタンプメーカー | Perspective Lab |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| Update frequency | Every 4 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 8.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 28 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | MORINAGA&CO.,LTD. | TAKESHI TOMIOKA |
In-app purchases
おっとっとスタンプメーカー
No in-app purchases
Perspective Lab
- 7-Day Free TrialFree
- Pro Lifetime$5.99









