iContrast vs ZERO
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
iContrast
Easily adjust the contrast and brightness of your photos, including medical images like X-rays and MRIs. Select an image, use a simple slider for adjustments, and save or share your enhanced masterpiece.
- Contrast and brightness adjustment
- Supports photos, X-rays, and MRIs
- Simple slider interface
- Save and share edited images
- Built-in camera integration
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Create polished contrast control in seconds with iContrast. Shape highlights, shadows, and midtones for punchier color or a softer, balanced look. Designed for fast, visual editing: โข Compare the original and edited image with a live split preview โข Explore curated presets made for different photo styles โข Blend the effect with your original for a subtle or bold finish โข Save favorite effect settings in My Looks and reuse them โข Share a labeled before-and-after image โข Undo, redo, and resume your last edit โข Save and share at high resolution โข Process photos directly on your device Choose a photo, try a preset, and adjust until the result feels right. The focused editor keeps the image and its transformation visible throughout the process. Start creating for free in this ad-supported edition.
ZERO
Control your drone directly from your smartphone or tablet. Experience first-person view (FPV) and review recorded video footage captured by your drone.
- Drone control via smartphone/tablet
- First-person view (FPV)
- View recorded video
- Compatible with Zero-X Edge drone
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Compatible with the Zero-X Edge ย Fly your EDGE DRONE via your smartphone or tablet. With the Zero-X Edge APP you can control your EDGE drone, as well as see the first person view (FPV), and watch video recorded with your Edge drone.
Screenshots
Verdict
The clearest difference is review sentiment: ZERO at 100% against iContrast's 75%. ZERO also leads on update cadence (every 5 days vs every 3 weeks) and iOS requirement (8.0 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
iContrast ships an update every 3 weeks, ZERO every 5 days. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.
| Parameter | iContrast | ZERO |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | 100.0% of reviews โ better |
| Update frequency | Every 3 weeks | Every 5 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 26.0 | 8.0 โ better |
| Further details โ not scored | ||
| Size | 25 MB | 67 MB |
| Age rating | 4+ | 12+ |
| Developer | ็ฆๆฉ ๆฏ | Directed Electronics Australia |
Customer experience
iContrast
ZERO
In-app purchases
iContrast
No in-app purchases
ZERO
No in-app purchases
Questions
Is iContrast free?
Is ZERO free?
Do iContrast or ZERO have ads?
Which is updated more often, iContrast or ZERO?
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