Comparison

Histograms Explained vs Photo Collage

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Histograms Explained

Learn to interpret your camera's histogram for better photography, both underwater and topside. This app de-mystifies histograms with narrated lessons, real-world examples, and quizzes from experienced professionals.

Highlights
  • De-mystifies camera histograms
  • Narrated training material
  • Real-world photo examples
  • Chapter quizzes
  • Tips from professional photographers
  • Covers luminance and RGB histograms
Features
Read full description

Whether you shoot with a Mirrorless, DSLR or a point-and-shoot camera, this easy to use, easy to understand App will quickly improve your underwater photography as your camera's histogram is de-mystified and becomes your new best friend. Information in this App is useful for topside photography as well. Every shooter can benefit greatly from Histograms Explained! Shoot like the pros! Histograms Explained is the second in the series of Underwater Photography Training Applications by David Fleetham & Marty Snyderman. With 80 years of combined professional experience in underwater photography, David and Marty share their tips to help you understand your camera's histogram for better images. This App contains eight sections of training material, fully narrated, with photos taken by David Fleetham and Marty Snyderman to illustrate examples of histograms with their accompanying images, plus other training slides. • Section 1: Your New Best Friend • Section 2: Two Kinds of Histograms • Section 3: Luminance Histograms • Section 4: The Bell Curve Myth • Section 5: Beware of the Goal Posts • Section 6: Making Adjustments • Section 7: RGB Histograms • Section 8: The Color Channels Other features: • Full narration • Easy menu navigation • Right-to-left, left-to-right swipe technology • Chapter quizzes to reinforce learning • One in a series of Underwater Photography Training Applications: Natural Light Images, Coordinating Natural Light and Strobes, Using Strobes Effectively, Silhouettes Underwater and Histograms Explained

About

Photo Collage

Easily combine your photos into stunning collages with a vast library of templates, flexible layouts, and creative editing tools. Add text, stickers, and backgrounds to personalize your designs for social media or personal use.

Highlights
  • 1000+ Ready-to-Use Templates
  • Flexible Grid Layouts
  • Vibrant Gradients & Color Palettes
  • Animated Text Effects
  • 10,000+ Stickers, Backgrounds & Shapes
  • Drag-and-drop interface
Features
Read full description

Create Beautiful Photo Collages in Seconds! Looking to turn your photos into eye-catching collages? Our powerful and easy-to-use collage maker lets you combine your favorite moments into stunning layouts in just a few taps. Whether you’re creating an aesthetic Instagram post, a fun TikTok story, or a personalized photo grid, this app has everything you need to stand out. Why You’ll Love It: 1000+ Ready-to-Use Templates No design skills? No problem! Choose from thousands of professionally designed collage templates perfect for Instagram stories, posts, YouTube thumbnails, and more. Flexible Grid Layouts Customize your photo collage with adjustable grids, borders, and aspect ratios. Mix and match to create layouts that match your unique style. Vibrant Gradients & Color Palettes Add depth and personality to your photo collages using rich gradients and one-tap color palettes. Easily switch up the look with dynamic color schemes. Fun & Animated Text Effects Bring your captions to life! Add funny text animations, stylish fonts, and overlays to give your collages a playful or artistic vibe. 10,000+ Stickers, Backgrounds & Shapes From cute emojis to abstract shapes and textured backgrounds, you’ll never run out of creative options to decorate your collage. Fast Sharing Export your creations in high quality and share directly to Instagram, Facebook, TikTok, Snapchat, YouTube, or save to your gallery. Customization Made Easy: • Drag-and-drop interface for quick collage building • Resize, crop, and rotate photos within the grid • Apply filters, borders, and shadows • Add custom text with font, size, spacing, and color options • Auto-align and snap-to-grid tools for pixel-perfect results Whether you’re making a family photo collage, a mood board, a travel diary, or a birthday shoutout, this collage maker is the perfect app to turn your ideas into share-worthy designs. Download now and start creating your next favorite photo collage! ------------------------ Terms & Conditions https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://chromapixel.dev/privacy.html

Screenshots

Histograms Explained4 screens
Photo Collage4 screens

Verdict

The call

The clearest difference is review sentiment: Photo Collage at 100% against Histograms Explained's 50%. Photo Collage also leads on price (Free vs $4.99) and rating (4.7 vs 3.3). Histograms Explained's advantage is in-app purchases (none vs 3) and ads (none vs shown).

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Photo Collage is free to download; Histograms Explained costs $4.99 up front. Photo Collage sells 3 in-app purchases, starting at $7.99 per 7 days. Histograms Explained asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Photo Collage holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: Photo Collage has 460 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 50% of Histograms Explained's written reviews are positive against 100% of Photo Collage's.

UpkeepUpdate frequency

Histograms Explained ships an update every 40 months, Photo Collage every 10 days. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

Scorecard10 real differences · 0 level
Histograms Explained versus Photo Collage: the parameters behind the verdict, then further details
ParameterHistograms ExplainedPhoto Collage
Price$4.99Free — better
Rating3.3 (6 ratings)4.7 (460 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings6460 — better
Update frequencyEvery 40 monthsEvery 10 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better26.0
Further details — not scored
Size210 MB60 MB
Age rating4+4+
DeveloperNewmediasoup, LLCChroma Pixel Ltd

Customer experience

Histograms Explained

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Photo Collage

All ratings460 ratings
Positive92.0%
Neutral4.3%
Negative3.7%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Histograms Explained

No in-app purchases

3 purchases

Photo Collage

Subscriptions3
  • Weekly Subscription3 Days trial$7.997 Days
  • Monthly Subscription3 Days trial$9.991 Month
  • Annual Subscription$79.991 Year

Questions

Is Histograms Explained free?
Histograms Explained costs $4.99, with no in-app purchases.
Is Photo Collage free?
Photo Collage is free to download, with in-app purchases available.
Which has better reviews, Histograms Explained or Photo Collage?
Photo Collage is rated higher. Histograms Explained averages 3.3 out of 5 from 6 ratings, while Photo Collage averages 4.7 from 460 ratings.
Do Histograms Explained or Photo Collage have ads?
Photo Collage shows ads; Histograms Explained does not.
Which is updated more often, Histograms Explained or Photo Collage?
Histograms Explained ships an update every 40 months, and Photo Collage every 10 days. Most recently, Histograms Explained was updated on October 15, 2026 and Photo Collage on October 14, 2026.

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