DupeSift vs Curvely
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DupeSift
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DupeSift helps you review imported files and find exact duplicates on iPhone and iPad. Import files from Files or compatible document providers, scan them locally, and review duplicate groups built from file size and SHA-256 content hashes. Select the extra imported copies you do not need and delete them from DupeSift's local workspace. DupeSift does not upload file names, file paths, or file contents. No account is required.
Curvely
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Curvely is a Desmos-style graphing calculator. Plot multiple equations at once, pan and zoom smoothly, and explore functions with a clean, fast, native interface. No account, no ads, no backend — everything runs on your device.
Screenshots
Verdict
The clearest difference is price: DupeSift at Free against Curvely's $0.99. On ads, in-app purchases, device support 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
DupeSift is free to download; Curvely costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | DupeSift | Curvely |
|---|---|---|
| Price | Free — better | $0.99 |
| Update frequency | — | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | KRISHNA PINNAMANENI | Joshua Trommel |
In-app purchases
DupeSift
No in-app purchases
Curvely
No in-app purchases
