# CHRGR Swapping system vs DNS Optimizer

The clearest difference is in-app purchases: CHRGR Swapping system at none against DNS Optimizer's 2. CHRGR Swapping system also leads on update cadence (daily vs every 11 days) and iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. DNS Optimizer sells 2 one-off in-app purchases. CHRGR Swapping system asks for nothing beyond the download.

CHRGR Swapping system ships an update daily, DNS Optimizer every 11 days. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CHRGR Swapping system | DNS Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/dns-optimizer-server-changer/id6741016224/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 11 days |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 9 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [江苏行运兔互联网科技有限公司](https://appshunter.io/developer/1536117598) | [ATAKAN YILDIRIM](https://appshunter.io/developer/1792591490) |

## What reviewers say

### CHRGR Swapping system

[App page](https://appshunter.io/ios/app/chrgr-swapping-system/id6470702842)

**Features:** macOS Compatibility

**In-app purchases:** none


### DNS Optimizer

[App page](https://appshunter.io/ios/app/dns-optimizer-server-changer/id6741016224)

Optimize your internet connection by easily switching DNS servers. Benchmark performance, block unwanted content, and enhance online gaming with secure and private browsing. Supports Wi-Fi and cellular networks on iPhone, iPad, and Mac.

**Highlights:** Switch system-wide DNS configurations, Benchmark DNS server performance, Pre-configured trusted DNS servers, Add custom encrypted DNS servers (DoH/DoT), Block ads and unwanted content, Improve online gaming latency

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DNS Optimizer Pro | $9.99 | one-time |
| DNS Optimizer Pro | $19.99 | one-time |


## Frequently asked questions

### Is CHRGR Swapping system free?

CHRGR Swapping system is free to download, with no in-app purchases.

### Is DNS Optimizer free?

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

### Do CHRGR Swapping system or DNS Optimizer have ads?

Neither CHRGR Swapping system nor DNS Optimizer shows ads.

### Which is updated more often, CHRGR Swapping system or DNS Optimizer?

CHRGR Swapping system ships an update daily, and DNS Optimizer every 11 days. Most recently, CHRGR Swapping system was updated on October 10, 2026 and DNS Optimizer on October 15, 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.*