Optical flow Analysis vs Pictool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Optical flow Analysis
Analyze motion between video frames and visualize object movement. This utility helps understand visual dynamics in sequences of images.
- Optical flow analysis
- Visualize object movement
- Frame-to-frame comparison
- Motion tracking
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Perform optical flow analysis and visualize the amount of object movement between consecutive frames
Pictool
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Pictool is a focused tool for creating and organizing long screenshots. You can record a scrolling page and return to the app to generate a long screenshot automatically. You can also manually stitch multiple images from Photos, or capture a full web page. Generated results are saved as drafts so you can preview, trim, share, and export them later. Key features: - Automatic long screenshots from screen recordings - Manual multi-image stitching - Web page capture - Manual seam adjustment after generation - Draft management, preview, sharing, and export - Built-in FAQ and illustrated tutorial Great for: - Chat history capture - Saving web content - Product detail pages - Notes, comments, and article archiving The free version lets users generate and preview results in the app. Recording-based long screenshots include 3 free exports per day, and users can watch ads to earn extra exports. Manual stitching and web capture remain exportable for free. Pictool Pro unlocks unlimited exports.
Screenshots
Verdict
The clearest difference is rating: Pictool at 4.0 against Optical flow Analysis's 1.0. Optical flow Analysis's advantage is in-app purchases (none vs 1). On price, ratings volume, 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. Pictool sells 1 one-off in-app purchase. Optical flow Analysis asks for nothing beyond the download.
Pictool holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Optical flow Analysis ships an update fortnightly, Pictool every 2 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | Optical flow Analysis | Pictool |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.0 (1 ratings) — better |
| Number of ratings | 1 | 1 |
| Update frequency | Fortnightly — better | Every 2 weeks |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.7.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 29 MB |
| Age rating | 4+ | 17+ |
| Developer | Hideaki Uchikoshi | 冉 姜 |
In-app purchases
Optical flow Analysis
No in-app purchases
Pictool
- Pictool Pro$1.99
