Comparison

PuzzleVision vs 21 Letters

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

Head to head
About

PuzzleVision

Features
Read full description

App Store Description for Puzzle Vision Puzzle Vision: Brain-Teasing Logic Adventure Embark on a Mind-Bending Journey! Dive into the world of Puzzle Vision, a captivating logic puzzle game designed to challenge your brain and sharpen your problem-solving skills. Whether you're playing on your iPhone, iPad, or the immersive Apple Vision Pro, Puzzle Vision offers an unparalleled touch and spatial computing experience.

About

21 Letters

A daily word game where you build connecting words to achieve a high score. Compete with friends and family using the same daily set of letters. The game ends when you run out of letters or can no longer form words.

Highlights
  • Daily word challenges
  • Connecting word building
  • High score tracking
  • Friend and family competition
  • Unique daily letter sets
Features
Read full description

21 Letters every day. Build connecting words and score as high as you can. Once you run out of letters, or can't make any more words, your daily round is over. Share your score with your friends and family - since everyone has the same letters for any given day, every day is a competition!

Screenshots

PuzzleVision3 screens
21 Letters4 screens

Verdict

The call

The clearest difference is in-app purchases: PuzzleVision at none against 21 Letters's 6. PuzzleVision also leads on ads (none vs shown). 21 Letters's advantage is update cadence (every 2 days vs every 5 days) and iOS requirement (12.0 vs 17.0). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 21 Letters sells 6 one-off in-app purchases. PuzzleVision asks for nothing beyond the download.

UpkeepUpdate frequency

PuzzleVision ships an update every 5 days, 21 Letters every 2 days. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
PuzzleVision versus 21 Letters: the parameters behind the verdict, then further details
ParameterPuzzleVision21 Letters
PriceFreeFree
Rating—4.7 (64 ratings) — better
Positive reviews—81.8% of reviews
Number of ratings—64 — better
Update frequencyEvery 5 daysEvery 2 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.012.0 — better
Further details — not scored
Size5 MB106 MB
Age rating4+4+
DeveloperConstructivist Toolkit (CT), LLCShallot Games, LLC.

In-app purchases

None

PuzzleVision

No in-app purchases

6 purchases

21 Letters

One-time6
  • August 2024 Ad-Free$2.99
  • September 2024 Ad-Free$2.99
  • October 2024 Ad-Free$2.99
Show 3 more
  • May 2024 Ad-Free$2.99
  • June 2024 Ad-Free$2.99
  • July 2024 Ad-Free$2.99

Questions

Is PuzzleVision free?
PuzzleVision is free to download, with no in-app purchases.
Is 21 Letters free?
21 Letters is free to download, with in-app purchases available.
Do PuzzleVision or 21 Letters have ads?
21 Letters shows ads; PuzzleVision does not.
Which is updated more often, PuzzleVision or 21 Letters?
PuzzleVision ships an update every 5 days, and 21 Letters every 2 days. Most recently, PuzzleVision was updated on October 13, 2026 and 21 Letters on October 24, 2026.

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