Comparison

Slendrina vs SumBlox

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

Head to head
About

Slendrina

Navigate terrifying environments, collecting items to escape while being relentlessly pursued. Avoid direct eye contact with a malevolent entity that hunts you. This free horror experience delivers jump scares and suspense.

Highlights
  • Item collection for escape
  • Persistent pursuer
  • Horror atmosphere
  • Jump scares
  • Suspenseful gameplay
Features
Read full description

**This is the free version and it contains advertising Slendrina is a new horror game where you have to find items to get you out of different places, but someone is following you all the time. And if you look at her for too long ..... well, then she will get you ..... It's a bit like "Slender Man" but Slendrina is more evil. If you like this game, so please rate it and write a comment. I appreciate it very much and it will help me in my future projects. Thank you ALL for your kind ratings! Enjoy this game!

About

SumBlox

A fast-paced arcade puzzle game where players drop numbered blocks to match a target number. Utilize arithmetic operations and special power blocks to clear the board and achieve high scores. Offers practice mode and leaderboards for continuous improvement.

Highlights
  • Fast one-touch arcade puzzle gameplay
  • Arithmetic operations (add, subtract, multiply, divide)
  • Special power blocks
  • Practice mode
  • Game Center leaderboards
  • Stats tracking
Features
Read full description

SumBlox is a fast arcade math puzzle where every block matters. Drop numbered blocks into the playfield and build stacks that match the target. Use addition, subtraction, multiplication, and division to shape the numbers before the board fills up. Each score advances the level, raises the stakes, and gives you new special powers to keep the run alive. Simple to learn. Hard to put down. Features: - Fast one-touch arcade puzzle gameplay - Addition, subtraction, multiplication, and division blocks - Negative numbers, multipliers, bonuses, and target chasing - Special power blocks that move, shrink, randomize, nudge, and merge stacks - Practice mode for experimenting without affecting stats - Game Center leaderboards - Stats and recent results tracking - Optional level color mode - Sound and haptic controls - Remove ads purchase available Every run starts small. Every level gets tighter. Every block can save you or end the game. Can you hit the target before the stack crosses the line?

Screenshots

Slendrina3 screens
SumBlox4 screens

Verdict

The call

The clearest difference is rating: SumBlox at 5.0 against Slendrina's 4.4. SumBlox also leads on ads (none vs shown) and update cadence (every 4 days vs every 69 months). Slendrina's advantage is in-app purchases (none vs 1) and ratings volume (160 vs 1). On price, 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

Both are free to download. SumBlox sells 1 one-off in-app purchase. Slendrina asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SumBlox holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Slendrina has 160 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 89% of Slendrina's written reviews are positive against 100% of SumBlox's.

UpkeepUpdate frequency

Slendrina ships an update every 69 months, SumBlox every 4 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard7 real differences · 3 level
Slendrina versus SumBlox: the parameters behind the verdict, then further details
ParameterSlendrinaSumBlox
PriceFreeFree
Rating4.4 (160 ratings)5.0 (1 ratings) — better
Positive reviews89.0% of reviews100.0% of reviews — better
Number of ratings160 — better1
Update frequencyEvery 69 monthsEvery 4 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size167 MB17 MB
Age rating9+4+
DeveloperDennis VukanovicBrett Pace

Customer experience

Slendrina

All ratings151 ratings
Positive81.5%
Neutral9.3%
Negative9.3%
Written reviews127 reviews
Positive89.0%
Neutral6.3%
Negative4.7%

SumBlox

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Slendrina

Reported bugs

9 issues
  • Camera tilts after multiple jump scares
  • Settings button does not work
  • Pause button does not work
  • Game gets stuck on end screen
  • Jumpscares are broken
Show 4 more
  • Lighting and shadows are messed up
  • Incompatible with newer iOS versions
  • Game crashes
  • Cannot download on newer devices

Requested features

14 requests
  • Update Slenderman game for iOS
  • Bring back Slenderman Stands
  • Add Slendrina X and Child of Slendrina to App Store
  • Remaster or remake the game
  • Add more maps
Show 9 more
  • Add online multiplayer
  • Add endless survival mode
  • Fix settings button bug
  • Improve death scene
  • Add thumbstick for movement
  • More sensitivity customization
  • Update winning screen
  • Add compatibility for older iOS versions
  • Update Slenderman game for latest iOS

SumBlox

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Slendrina

No in-app purchases

1 purchases

SumBlox

One-time1
  • Remove Ads$1.99

Questions

Is Slendrina free?
Slendrina is free to download, with no in-app purchases.
Is SumBlox free?
SumBlox is free to download, with in-app purchases available.
Which has better reviews, Slendrina or SumBlox?
SumBlox is rated higher. Slendrina averages 4.4 out of 5 from 160 ratings, while SumBlox averages 5.0 from 1 ratings.
Do Slendrina or SumBlox have ads?
Slendrina shows ads; SumBlox does not.
Which is updated more often, Slendrina or SumBlox?
Slendrina ships an update every 69 months, and SumBlox every 4 days. Most recently, Slendrina was updated on November 7, 2026 and SumBlox on October 31, 2026.

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