# Surge vs 2 Sides Challenge

The clearest difference is in-app purchases: 2 Sides Challenge at none against Surge's 1. 2 Sides Challenge also leads on ads (none vs shown). Surge's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Surge sells 1 one-off in-app purchase. 2 Sides Challenge asks for nothing beyond the download.

Surge ships an update fortnightly, 2 Sides Challenge every 10 days. The most recent releases landed on October 31, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Surge | 2 Sides Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 10 days** |
| Size | 47 MB | 6 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gagan Chawla](https://appshunter.io/developer/1879999402) | [Dmitrii Nikolaev](https://appshunter.io/developer/1801292122) |

## What reviewers say

### Surge

[App page](https://appshunter.io/ios/app/surge-precision-reflex/id6760904482)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### 2 Sides Challenge

[App page](https://appshunter.io/ios/app/2-sides-challenge/id6790892823)

**In-app purchases:** none


## Frequently asked questions

### Is Surge free?

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

### Is 2 Sides Challenge free?

2 Sides Challenge is free to download, with no in-app purchases.

### Do Surge or 2 Sides Challenge have ads?

Surge shows ads; 2 Sides Challenge does not.

### Which is updated more often, Surge or 2 Sides Challenge?

Surge ships an update fortnightly, and 2 Sides Challenge every 10 days. Most recently, Surge was updated on October 31, 2026 and 2 Sides Challenge on November 8, 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.*