Sader Method vs GIF & TIFF Multi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sader Method
This utility app helps calibrate Atomic Force Microscope cantilevers. It provides a user interface to determine the spring constant of a cantilever using its resonant frequency and quality factor.
- Atomic Force Microscope cantilever calibration
- Determine spring constant
- Resonant frequency measurement
- Quality factor measurement
- User interface for calibration
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Calibrate Atomic Force Microscope cantilevers using the Sader Method. Provides a user interface for determining the spring constant of a cantilever from measurements of its resonant frequency and quality factor.
GIF & TIFF Multi
View and manage multi-page image formats like TIFF and GIF. Extract pages, convert to password-protected PDFs, and zoom or rotate images. Remove ads with an in-app purchase.
- View multi-page TIFFs and animated GIFs
- Extract pages from images
- Convert to password-protected PDFs
- Zoom, rotate, and scale images
- Browse images from iOS album
- Save as separate TIFF pages
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Want to check each frame of a GIF? View every page of a TIFF? Convert images to PDF? Multi-page Image Viewer lets you browse and convert multi-page images with ease. Supports GIF, TIFF, APNG, PNG, and more. # Main Features - View multi-page TIFFs, animated GIFs, APNGs, JPEGs, and PNGs - Browse each page one by one — zoom, rotate, and scale - Check image dimensions and file sizes at a glance - Convert to password-protected PDF - Extract and save individual TIFF pages - Remove ads (in-app purchase) # Use Cases - Check individual frames of a GIF - View each page of a multi-page fax - Convert images to password-protected PDF for sharing # Note - Save images from other apps (email, browser) to your album first. ** Terms of Use https://digitalnauts.com/terms/app_term_of_use/ ** Privacy Policy https://digitalnauts.com/privacypolicy/app_privacy_policy/ ** Developer DIGITALNAUTS INC. https://digitalnauts.com/
Screenshots
Verdict
Sader Method and GIF & TIFF Multi both sit at 5.0 stars, but that hides the real split: 100% of Sader Method's written reviews are positive against 56% of GIF & TIFF Multi's. Sader Method also leads on in-app purchases (none vs 2) and ads (none vs shown). GIF & TIFF Multi's advantage is update cadence (every 3 months vs every 57 months) and ratings volume (7 vs 1). On price, rating 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. GIF & TIFF Multi sells 2 one-off in-app purchases. Sader Method asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Sader Method against 4.9 for GIF & TIFF Multi. That said, the two scores are not equally well evidenced: GIF & TIFF Multi has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of Sader Method's written reviews are positive against 56% of GIF & TIFF Multi's.
Sader Method ships an update every 57 months, GIF & TIFF Multi every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | Sader Method | GIF & TIFF Multi |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.9 (7 ratings) |
| Positive reviews | 100.0% of reviews — better | 55.6% of reviews |
| Number of ratings | 1 | 7 — better |
| Update frequency | Every 57 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | John Sader | DIGITALNAUTS INC. |
Customer experience
Sader Method
GIF & TIFF Multi
In-app purchases
Sader Method
No in-app purchases
GIF & TIFF Multi
- Export to PDF or JPEG,PNG.$0.99
- Remove ads$2.99
Questions
Is Sader Method free?
Is GIF & TIFF Multi free?
Which has better reviews, Sader Method or GIF & TIFF Multi?
Do Sader Method or GIF & TIFF Multi have ads?
Which is updated more often, Sader Method or GIF & TIFF Multi?
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