Comparison

Slender Last Sleep vs Sonority mobile

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

Head to head
About

Slender Last Sleep

Navigate a terrifying forest to collect scattered paper sheets while being pursued by the iconic Slenderman. This horror game challenges players to evade the ghastly creature and survive its chilling presence.

Highlights
  • Collect 8 paper sheets
  • Evade Slenderman
  • Immersive horror atmosphere
  • Iconic monster pursuit
  • Challenging gameplay
Features
Read full description

He is the monster. The forest walker. Only a few in this world are unfortunate enough to meet him, but none can escape his wicked stare. He is Slenderman, the ghastly kidnapper. Rumored to be abnormally tall and thin, Slenderman always wears an iconic black suit with white shirt and tie. He can bend or extend his arms in a hideous way as if they have no joints, as if they are tentacles. But the most dreadful feature... is his face. For it is blank, pale and able to fatally frighten any victims upon the first glance. Your task is to collect 8 paper sheets. But...

About

Sonority mobile

Embark on a puzzle adventure as Esther, exploring a world where music is magic. Solve intricate puzzles by arranging notes and melodies to overcome obstacles and uncover a touching story. No musical knowledge is required to enjoy this unique experience.

Highlights
  • Unique melody-based puzzle mechanic
  • Touching story with memorable characters
  • Lovingly designed 3D game world
  • Atmospheric soundtrack
  • Collect new notes and instruments
Features
Currently charting
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Sonority is an innovative puzzle adventure set in a lovingly designed, fascinating world. Play as Esther and discover the rockery, a place full of music and unique puzzle mechanics. A unique puzzle mechanic using melodies In Sonority the players explore a lost world in which music is magic and with whose help you can progress through the game. The puzzles are solved by the correct arrangement of notes. The solution is deduced acoustically or using symbols. No previous musical knowledge necessary. Story The player takes on the role of young Esther, who sets out on a journey to help a friend. Equipped with her pan flute, she reaches the mysterious rockery. But soon her path is blocked and she must use the power of music to overcome the obstacles. Not always an easy task. In a world lapsed into silence, Esther rediscovers lost songs and mossy works of art. Naturally aided by singing stones and a talking raccoon. Yet there seems to be no trace of the legendary preceptors of music. The further you get, the trickier the game becomes. Collect new notes and instruments to overcome even the most difficult puzzles of the preceptors. Features • Interesting new puzzle mechanic based on melodies. (Simple note sequences develop into small melodies and then into complex pieces of music.) • A touching story about Esther and an old, oddball raccoon and his singing stone friends. • A lovingly designed, cohesive 3D game world with varied locations. • Atmospheric, extensive soundtrack with English and German versions of original songs.

Screenshots

Slender Last Sleep4 screens
Sonority mobile4 screens

Verdict

The call

The clearest difference is review sentiment: Slender Last Sleep at 96% against Sonority mobile's 17%. Slender Last Sleep also leads on price ($0.99 vs $3.99) and iOS requirement (11.0 vs 14.0). Sonority mobile's advantage is update cadence (every 3 months vs every 27 months) and chart position (#32 vs unranked). On ads, in-app purchases, monetization model 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

Slender Last Sleep costs $0.99 and Sonority mobile $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Slender Last Sleep ships an update every 27 months, Sonority mobile every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 6 level
Slender Last Sleep versus Sonority mobile: the parameters behind the verdict, then further details
ParameterSlender Last SleepSonority mobile
Price$0.99 — better$3.99
Rating4.7 (15 ratings) — better—
Positive reviews95.8% of reviews — better16.7% of reviews
Number of ratings15 — better—
Update frequencyEvery 27 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank—#32 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better14.0
Further details — not scored
Size43 MB557 MB
Age rating12+4+
DeveloperAnton VazhinskyApplication Systems Heidelberg Software GmbH

Customer experience

Slender Last Sleep

All ratings15 ratings
Positive93.3%
Neutral0.0%
Negative6.7%
Written reviews24 reviews
Positive95.8%
Neutral0.0%
Negative4.2%

Sonority mobile

Written reviews6 reviews
Positive16.7%
Neutral16.7%
Negative66.7%

In-app purchases

None

Slender Last Sleep

No in-app purchases

None

Sonority mobile

No in-app purchases

Questions

Is Slender Last Sleep free?
Slender Last Sleep costs $0.99, with no in-app purchases.
Is Sonority mobile free?
Sonority mobile costs $3.99, with no in-app purchases.
Do Slender Last Sleep or Sonority mobile have ads?
Neither Slender Last Sleep nor Sonority mobile shows ads.
Which is updated more often, Slender Last Sleep or Sonority mobile?
Slender Last Sleep ships an update every 27 months, and Sonority mobile every 3 months. Most recently, Slender Last Sleep was updated on November 1, 2026 and Sonority mobile on November 3, 2026.

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