# Slendrina vs SumBlox

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.

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

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.

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.

## The numbers

| Metric | Slendrina | SumBlox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (160 ratings)](https://appshunter.io/ios/app/slendrina/id955179349/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sumblox/id6785282875/reviews)** |
| Number of ratings | **160** | 1 |
| Positive reviews | 89.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 69 months | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 167 MB | 17 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Dennis Vukanovic](https://appshunter.io/developer/954916186) | [Brett Pace](https://appshunter.io/developer/6781029086) |

## What reviewers say

### Slendrina

[App page](https://appshunter.io/ios/app/slendrina/id955179349)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🤩 Nostalgic gameplay
- 😨 Scary and suspenseful
- 👍 Fun and enjoyable
- 🕹️ Classic horror experience
- ✨ Well-made for its time

**What reviewers complain about**

- 📉 Low quality graphics
- 🐌 Slow player movement
- 🥱 Can get boring
- 🕹️ Simple gameplay loop
- 👻 Not very scary for some

**Reported bugs**

- 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

**Requested features**

- 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


### SumBlox

[App page](https://appshunter.io/ios/app/sumblox/id6785282875)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*