Comparison

Idle Pet Shelter vs Decipher

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

Head to head
About

Idle Pet Shelter

Manage a cat rescue sanctuary, transforming an abandoned space into a haven. Care for unique cats, build your volunteer team, and expand your shelter empire globally. Participate in special events for exclusive rewards and give furry friends a second chance.

Highlights
  • Shelter makeover and decoration
  • Rescue, care for, and rehome cats
  • Volunteer team recruitment and training
  • Global shelter expansion
  • Special in-game events and challenges
  • Strategy and growth mechanics
Features
Read full description

Rescue. Rebuild. Rehome. Take charge of your own cat rescue sanctuary. Upgrade rooms, care for adorable cats, and expand your shelter empire. Why you'll love Idle Pet Shelter? • Transform an abandoned space into a cozy cat haven. Unlock vet clinics, grooming stations, cafés, and play areas. • Adopt unique rescue cats with distinct traits and needs. Feed them, play with them, dress them up, and track their happiness. • Build and train your volunteer team. Automate tasks, boost capacity, and balance roles for better performance. • Expand worldwide. Open new shelters, unlock research upgrades, and rescue more cats. • Join special events. Take part in costume parties, cat cafés, and community challenges for exclusive rewards. Core features: • Shelter makeover – decorate with furniture, toys, and colorful items to improve comfort. • Rescue and care loop – adopt cats, nurture them, and rehome them for a second chance. • Volunteer management – recruit quirky helpers, upgrade their skills, and optimize efficiency. • Strategy and growth – complete story-driven tasks, set goals, and scale your shelter empire. • Events and community – join guilds, share your shelter, and climb leaderboards. Start building your cat rescue dream today. Download Idle Pet Shelter and give every furry friend a second chance.

About

Decipher

Engage your mind with encrypted messages and famous quotes. This game tests your logic, vocabulary, and pattern recognition by having you crack substitution ciphers.

Highlights
  • Solve encrypted messages
  • Crack substitution ciphers
  • Test logic and vocabulary
  • Improve pattern recognition
  • Play with famous quotes
Features
Read full description

Crack hidden quotes, one letter at a time. Decipher turns quotes and lyrics into cryptogram puzzles. Each number represents a letter. Spot familiar words, follow repeating patterns, and piece together the message. • Solve quote and lyric puzzles across multiple difficulty levels. • Take on the Daily Challenge and build your streak. • Earn XP, level up, and unlock Game Center achievements. • Track your solve times, success rate, and personal bests. • Use hints when you need a nudge. • Save an unfinished puzzle and return to it later. • Play with light or dark themes and adjustable text sizes. Start with a few revealed letters. See how far your logic takes you. Decipher includes ads and optional purchases for hints and removing ads. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Idle Pet Shelter4 screens
Decipher4 screens

Verdict

The call

The clearest difference is ratings volume: Idle Pet Shelter at 10K against Decipher's 2. Idle Pet Shelter also leads on update cadence (every 2 weeks vs monthly). Decipher's advantage is rating (5.0 vs 4.7). On price, ads, in-app purchases and monetization model 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. Idle Pet Shelter sells 10 one-off in-app purchases and Decipher sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Decipher holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Idle Pet Shelter has 10K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Idle Pet Shelter ships an update every 2 weeks, Decipher monthly. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
Idle Pet Shelter versus Decipher: the parameters behind the verdict, then further details
ParameterIdle Pet ShelterDecipher
PriceFreeFree
Rating4.7 (10K ratings)5.0 (2 ratings) — better
Positive reviews44.4% of reviews—
Number of ratings10K — better2
Update frequencyEvery 2 weeks — betterMonthly
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size641 MB31 MB
Age rating4+12+
DeveloperNova Sphere Ltd.Errand Labs, LLC

Customer experience

Idle Pet Shelter

All ratings10,355 ratings
Positive93.5%
Neutral3.3%
Negative3.2%
Written reviews538 reviews
Positive44.4%
Neutral15.6%
Negative40.0%

Decipher

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Idle Pet Shelter

Reported bugs

4 issues
  • Game resets progress
  • Adoption and donation issues
  • Glitches with new updates
  • Crashes and freezes

Requested features

5 requests
  • Add dog shelter
  • Revisit previous shelters
  • More content and levels
  • Customizable shelters
  • Lower data usage

Decipher

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Idle Pet Shelter

One-time10
  • 80 Gems$0.99
  • Savings$2.99
  • ENHANCED PIGGY BANK$3.99
Show 7 more
  • 500 Gems$4.99
  • Jack House$4.99
  • Shredder$4.99
  • REFINED PIGGY BANK$4.99
  • Shelter Pass$6.99
  • Ads Off$9.99
  • 1200 Gems$9.99
3 purchases

Decipher

One-time3
  • 10 Hints$1.99
  • Decipher Remove Ads$4.99
  • 50 Hints$4.99

Questions

Is Idle Pet Shelter free?
Idle Pet Shelter is free to download, with in-app purchases available.
Is Decipher free?
Decipher is free to download, with in-app purchases available.
Which has better reviews, Idle Pet Shelter or Decipher?
Decipher is rated higher. Idle Pet Shelter averages 4.7 out of 5 from 10K ratings, while Decipher averages 5.0 from 2 ratings.
Do Idle Pet Shelter or Decipher have ads?
Both Idle Pet Shelter and Decipher show ads.
Which is updated more often, Idle Pet Shelter or Decipher?
Idle Pet Shelter ships an update every 2 weeks, and Decipher monthly. Most recently, Idle Pet Shelter was updated on November 8, 2026 and Decipher on November 5, 2026.

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