Comparison

PrismaPix Gold vs Letter Gallery

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

Head to head
About

PrismaPix Gold

Solve colorful logic puzzles by reconstructing photos layer by layer using number clues. Uncover hidden pictures and discover related quotes. Offers various difficulty modes and helpful auto-features.

Highlights
  • Color layer photo reconstruction
  • Number clue logic puzzles
  • Multiple difficulty modes
  • Quote for each puzzle
  • AutoComplete and AutoScroll options
  • Pinch zoom functionality
  • iCloud progress sync
Features
Read full description

Picture logic fans will love these colorful multi-layered puzzles. In each puzzle a photo has been separated into several color layers. Each layer contains number clues which you can follow to reconstruct the photo. Using logic similar to minesweeper, reveal parts of the picture, square by square and layer by layer. When all the layers are complete, they will be combined to reveal the entire picture, along with a quote related in some way to the picture. ******************** PRISMAPIX FEATURES Two free puzzlepacks 17 add-on puzzlepacks: small puzzles, giant puzzles, variety packs, themed packs. Easy, Tricky, and Expert playing modes. A special quote for every puzzle AutoComplete (or do-it-yourself) AutoScroll (or do-it-yourself) Two ways to mark squares - tap/double-tap or use the X/O play button. Pinch zoom to make squares fit your fingers. Optional sound effects iCloud support for your progress Universal ******************** SIMPLE RULES - COMPLEX PUZZLES - HIDDEN PICTURES Use number clues to figure out which pieces of the puzzle belong on each color layer. Paint the squares around each clue number so that the number of painted squares matches the clue number. With AutoComplete turned on the game will do some of the easy work for you. With AutoScroll turned ON the board will automatically slide to expose an area with useful clues. When there are no more useful clues on the current layer the game will switch to a different color layer. PrismaPix is based on the PC game "PrismaPix" by Kris Pixton and KpixGames. The underlying logic will be familiar to players of Minesweeper or Fillapix by Conceptis, but the prism-inspired separation of colors and multi-layered design take these puzzles to a new level.

About

Letter Gallery

Uncover hidden pixel art by coloring blocks based on number clues. This free logic puzzle game offers a variety of creative pictures and difficulty levels to train your brain and pass the time.

Highlights
  • Discover hidden pixel-art pictures
  • Color blocks based on number clues
  • Dozens of creative pictures
  • Multiple difficulty levels
  • Offline gameplay
  • Create your own pictures
Features
Read full description

Letter Gallery is a free hidden words puzzle game that invites you to discover letters cleverly hidden in beautiful pictures. Look closely, find letters, and bring words and phrases to life. Enjoy the pleasure of discovery while exploring detailed scenes, one letter at a time. Whether you want a quiet break or a pleasant way to pass the time, Letter Gallery offers a relaxing mix of picture exploration and word discovery. How To Play Letter Gallery Each puzzle features a picture with hidden letters waiting to be found. Explore the scene carefully and tap a letter when you spot it. Every letter you find fills a slot in the word bar, gradually revealing the complete word or phrase. Pinch to zoom in and drag the picture to explore the details. Letters can blend into the scenery in unexpected ways, so take your time and look from a fresh perspective. If you need a little help, use a hint to locate a hidden letter. Find all the letters to complete the puzzle and discover the full message! Key Features - Hidden letters in beautiful pictures: Explore detailed scenes and discover letters blended into the artwork. - Words and phrases to uncover: Watch each discovery bring you closer to the complete message. - Simple tap controls: Tap the letters you find—no drawing lines or coloring blocks. - Zoom and explore: Take a closer look at small details with easy zoom and drag controls. - Beginner-friendly guidance: Learn the basics step by step and start enjoying the puzzles. - Varied puzzles: Enjoy both gentle introductory levels and more intricate scenes as you progress. Letter Gallery combines the enjoyment of hidden-picture games with the satisfaction of completing words. You do not need complicated rules to get started—just curiosity and a little attention to detail. Look beyond the obvious and enjoy those small “there it is!” moments. A letter may be hiding in a familiar shape or blending into a pattern you have already looked past. Every discovery gives you another reason to appreciate the picture. Download Letter Gallery and discover the words hidden in every picture!

Screenshots

PrismaPix Gold4 screens
Letter Gallery4 screens

Verdict

The call

The clearest difference is ads: PrismaPix Gold at none against Letter Gallery's shown. PrismaPix Gold also leads on iOS requirement (8.0 vs 15.0). Letter Gallery's advantage is update cadence (weekly vs every 7 months) and ratings volume (3.4K vs 7). On price, rating, review sentiment and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PrismaPix Gold sells 14 one-off in-app purchases and Letter Gallery sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for PrismaPix Gold against 4.7 for Letter Gallery. That said, the two scores are not equally well evidenced: Letter Gallery has 3.4K ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 57% of PrismaPix Gold's written reviews are positive against 53% of Letter Gallery's.

UpkeepUpdate frequency

PrismaPix Gold ships an update every 7 months, Letter Gallery weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
PrismaPix Gold versus Letter Gallery: the parameters behind the verdict, then further details
ParameterPrismaPix GoldLetter Gallery
PriceFreeFree
Rating4.7 (7 ratings) — better4.7 (3.4K ratings)
Positive reviews57.1% of reviews — better52.6% of reviews
Number of ratings73.4K — better
Update frequencyEvery 7 monthsWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size98 MB278 MB
Age rating4+4+
DeveloperKris PixtonOakever Games

Customer experience

PrismaPix Gold

All ratings7 ratings
Positive85.7%
Neutral14.3%
Negative0.0%
Written reviews7 reviews
Positive57.1%
Neutral42.9%
Negative0.0%

Letter Gallery

All ratings3,437 ratings
Positive93.5%
Neutral3.3%
Negative3.2%
Written reviews116 reviews
Positive52.6%
Neutral15.5%
Negative31.9%

Bugs and requests

PrismaPix Gold

Not enough reviews yet to summarise bugs or requests.

Letter Gallery

Reported bugs

5 issues
  • Puzzles not loading correctly
  • Tracking/permissions issues
  • Losing progress after updates
  • Crashes during events
  • Incorrect puzzle solutions

Requested features

5 requests
  • Import own photos
  • More difficulty levels
  • Ability to disable hints/guides
  • Themed events and challenges
  • Progress sync across devices

In-app purchases

14 purchases

PrismaPix Gold

One-time14
  • MINI PACK 1$0.99
  • MINI PACK 2$0.99
  • MINI PACK 3$0.99
Show 11 more
  • ANIMAL KINGDOM$0.99
  • FRACTAL ART$0.99
  • CATS$0.99
  • IN THE MOUNTAINS$0.99
  • WINTER HOLIDAY$0.99
  • AT THE LOUVRE$0.99
  • VARIETY PACK 1$2.99
  • VARIETY PACK 2$2.99
  • VARIETY PACK 3$2.99
  • MAX PACK 1$2.99
  • MAX PACK 2$2.99
4 purchases

Letter Gallery

One-time4
  • Earth Day11123300000$0.89
  • Remove Ads$4.99
  • Art of Lines$15.99
Show 1 more
  • Dev test item approved$61.99

Questions

Is PrismaPix Gold free?
PrismaPix Gold is free to download, with in-app purchases available.
Is Letter Gallery free?
Letter Gallery is free to download, with in-app purchases available.
Which has better reviews, PrismaPix Gold or Letter Gallery?
PrismaPix Gold is rated higher. PrismaPix Gold averages 4.7 out of 5 from 7 ratings, while Letter Gallery averages 4.7 from 3.4K ratings.
Do PrismaPix Gold or Letter Gallery have ads?
Letter Gallery shows ads; PrismaPix Gold does not.
Which is updated more often, PrismaPix Gold or Letter Gallery?
PrismaPix Gold ships an update every 7 months, and Letter Gallery weekly. Most recently, PrismaPix Gold was updated on October 24, 2026 and Letter Gallery on October 25, 2026.

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