# Surround vs Mathstack

The clearest difference is rating: Mathstack at 5.0 against Surround's 3.5. Surround's advantage is update cadence (every 5 days vs every 11 days) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Surround sells 3 one-off in-app purchases and Mathstack sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Mathstack holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Surround ships an update every 5 days, Mathstack every 11 days. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Surround | Mathstack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/surround-it/id1625945885/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mathstack-sequence-puzzle/id6748113494/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 11 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 31 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [INNCODER AS](https://appshunter.io/developer/1535690036) | [Hazerim Interactive Entertainment, UAB](https://appshunter.io/developer/1804702752) |

## What reviewers say

### Surround

[App page](https://appshunter.io/ios/app/surround-it/id1625945885)

Strategically place wall blocks to surround an enemy on a turn-based board. Plan your moves carefully to prevent the enemy from escaping and achieve high scores by using fewer blocks and leaving escape routes open. Aim for three stars to unlock new levels.

**Highlights:** Surround enemy with wall blocks, Turn-based gameplay, Strategic move planning, Scoring system for efficiency, Unlockable levels, Bonus for uncovered escape blocks

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Coins | $1.99 | one-time |
| 50 Coins | $6.99 | one-time |
| 100 Coins | $10.99 | one-time |


### Mathstack

[App page](https://appshunter.io/ios/app/mathstack-sequence-puzzle/id6748113494)

A unique number puzzle game where you stack cards to form sequences. Strategically use temporary slots to clear the board and uncover hidden cards. Offers three difficulty levels for a tailored challenge.

**Highlights:** Sequence building gameplay, Strategic card stacking, Temporary slot management, Three difficulty levels, Uncover hidden cards

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads (Weekly) | $1.99 | per 7 days |
| No Ads (Monthly) | $5.99 | per month |
| No Ads (Lifetime) | $19.99 | one-time |


## Frequently asked questions

### Is Surround free?

Surround is free to download, with in-app purchases available.

### Is Mathstack free?

Mathstack is free to download, with in-app purchases available.

### Which has better reviews, Surround or Mathstack?

Mathstack is rated higher. Surround averages 3.5 out of 5 from 2 ratings, while Mathstack averages 5.0 from 1 ratings.

### Do Surround or Mathstack have ads?

Both Surround and Mathstack show ads.

### Which is updated more often, Surround or Mathstack?

Surround ships an update every 5 days, and Mathstack every 11 days. Most recently, Surround was updated on October 7, 2026 and Mathstack on October 1, 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.*