DoF plus vs Image Size PRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DoF plus
This app helps digital camera owners calculate depth of field, hyperfocal distance, and field of view. It allows customization of camera models, focal lenses, and apertures for precise photographic planning.
- Depth of field calculation
- Hyperfocal distance calculation
- Field of view calculation
- Customizable camera models
- Customizable focal lenses
- Customizable apertures
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DoF plus is a "must have" application for all digital camera owners. DoF plus will answer questions like: - how to ensure that model face will be sharp when shot at 5m? - which focal lens I must use when shooting a person at 10m? a small bird at 50m? - how to maximize image sharpness when shooting landscapes? DoF plus is highly customizable: - select your camera model. Computations will take into account camera specifications. - define your own list of focal lenses from a list. - define your own list of apertures from a list. DoF plus provides following features: DoF (depth of field) Set focal lens, f/stop and focus distance. Near and far focus distances will be computed automatically HyF (hyperfocal) Set focal lens and f/stop. Hyperfocal distance will be computed automatically. Note: when you focus at hyperfocal distance, image will be sharp from half this distance to infinity. FoV (field of view) Set focal lens and focus distance. Field of view (width and height) will be computed automatically.
Image Size PRO
Easily resize photos to your desired dimensions using various units like pixels, millimeters, centimeters, or inches. Preserve aspect ratio and crop images with intuitive gestures. Save, email, print, or share your resized creations.
- Resize images to custom dimensions
- Support for pixels, millimeters, centimeters, inches
- Preserve aspect ratio with chain icon
- Crop images with multitouch gestures
- Save, email, print, or share resized images
- Ad-free and no in-app purchases
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This is a PRO version for business customers. Without advertising and without in-app-purchases. This app allows you to resize an image to whatever size you like (with limitation), quickly and easily. You can specify the output format using one of the following four units of measurement: pixels, millimeters, centimeters, inches To preserve aspect ratio just tap on the chain icon between width and height input fields. This app gives you the option of saving, emailing, printing or sharing the final image. Resize your image in just four easy steps: - Open an image or take a photo - Enter your desired output size - Crop the image with your fingers using multitouch gestures - Save / print / send / share image
Screenshots
Verdict
The clearest difference is price: DoF plus at $0.99 against Image Size PRO's $59.99. DoF plus also leads on rating (5.0 vs 4.7). Image Size PRO's advantage is ratings volume (56 vs 1) and update cadence (fortnightly vs every 2 months). On ads, in-app purchases, monetization model 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
DoF plus costs $0.99 and Image Size PRO $59.99 up front. Neither carries in-app purchases, so what you see is what you pay.
DoF plus holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Image Size PRO has 56 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 79% of DoF plus's written reviews are positive against 100% of Image Size PRO's, so the app with the better star average is not the one people write more warmly about.
DoF plus ships an update every 2 months, Image Size PRO fortnightly. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.
| Parameter | DoF plus | Image Size PRO |
|---|---|---|
| Price | $0.99 — better | $59.99 |
| Rating | 5.0 (1 ratings) — better | 4.7 (56 ratings) |
| Positive reviews | 78.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 56 — better |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.6 | 18.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 125 MB |
| Age rating | 4+ | 4+ |
| Developer | Jean-Christoph KAISER | Vitalij Schaefer |
Customer experience
DoF plus
Image Size PRO
In-app purchases
DoF plus
No in-app purchases
Image Size PRO
No in-app purchases
Questions
Is DoF plus free?
Is Image Size PRO free?
Which has better reviews, DoF plus or Image Size PRO?
Do DoF plus or Image Size PRO have ads?
Which is updated more often, DoF plus or Image Size PRO?
Other comparisons
