# Sader Method vs GIF & TIFF Multi

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.

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.

## The numbers

| Metric | Sader Method | GIF & TIFF Multi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sader-method/id402544930/reviews)** | [4.9 (7 ratings)](https://appshunter.io/ios/app/gif-and-tiff-multi-page-viewer/id1225928611/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | **100.0% of reviews** | 55.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 57 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 14 MB |
| Requires iOS | **15.4** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Sader](https://appshunter.io/developer/402544933) | [DIGITALNAUTS INC.](https://appshunter.io/developer/1083829093) |

## What reviewers say

### Sader Method

[App page](https://appshunter.io/ios/app/sader-method/id402544930)

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.

**Highlights:** Atomic Force Microscope cantilever calibration, Determine spring constant, Resonant frequency measurement, Quality factor measurement, User interface for calibration

**Features:** macOS Compatibility

**In-app purchases:** none


### GIF & TIFF Multi

[App page](https://appshunter.io/ios/app/gif-and-tiff-multi-page-viewer/id1225928611)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Export to PDF or JPEG,PNG. | $0.99 | one-time |
| Remove ads | $2.99 | one-time |


## Frequently asked questions

### Is Sader Method free?

Sader Method is free to download, with no in-app purchases.

### Is GIF & TIFF Multi free?

GIF & TIFF Multi is free to download, with in-app purchases available.

### Which has better reviews, Sader Method or GIF & TIFF Multi?

Sader Method is rated higher. Sader Method averages 5.0 out of 5 from 1 ratings, while GIF & TIFF Multi averages 4.9 from 7 ratings.

### Do Sader Method or GIF & TIFF Multi have ads?

GIF & TIFF Multi shows ads; Sader Method does not.

### Which is updated more often, Sader Method or GIF & TIFF Multi?

Sader Method ships an update every 57 months, and GIF & TIFF Multi every 3 months. Most recently, Sader Method was updated on November 1, 2026 and GIF & TIFF Multi on November 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*