# iPerf3 Client & Server vs DataLeft

The clearest difference is price: DataLeft at Free against iPerf3 Client & Server's $6.99. iPerf3 Client & Server's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs every 2 weeks). On ads there is nothing between them.

DataLeft is free to download; iPerf3 Client & Server costs $6.99 up front. DataLeft sells 1 one-off in-app purchase. iPerf3 Client & Server asks for nothing beyond the download.

iPerf3 Client & Server ships an update every 5 days, DataLeft every 2 weeks. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | iPerf3 Client & Server | DataLeft |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[4.9 (9 ratings)](https://appshunter.io/ios/app/iperf3-client-and-server/id6755545337/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Paid | — |
| Size | 9 MB | 1 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Chemeris](https://appshunter.io/developer/1854526571) | [Oh Hyeon Kwon](https://appshunter.io/developer/926648394) |

## What reviewers say

### iPerf3 Client & Server

[App page](https://appshunter.io/ios/app/iperf3-client-and-server/id6755545337)

Measure real network throughput across Wi-Fi, cellular, VPN, or LAN. This tool helps compare network devices, validate changes, and identify bottlenecks with detailed metrics and advanced controls. It requires access to an iPerf3 server.

**Highlights:** Client and server modes, TCP/UDP tests, Advanced test controls, Shortcuts automation, Saved server profiles, History with charts, Detailed network metrics

**Features:** Vision Pro support

**In-app purchases:** none


### DataLeft

[App page](https://appshunter.io/ios/app/dataleft/id6790156499)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DataLeft Pro | $2.99 | one-time |


## Frequently asked questions

### Is iPerf3 Client & Server free?

iPerf3 Client & Server costs $6.99, with no in-app purchases.

### Is DataLeft free?

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

### Do iPerf3 Client & Server or DataLeft have ads?

Neither iPerf3 Client & Server nor DataLeft shows ads.

### Which is updated more often, iPerf3 Client & Server or DataLeft?

iPerf3 Client & Server ships an update every 5 days, and DataLeft every 2 weeks. Most recently, iPerf3 Client & Server was updated on October 9, 2026 and DataLeft on October 17, 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.*