iPerf vs Sable.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iPerf
Measure your network's maximum TCP bandwidth with this tool. It allows for the tuning of various parameters and UDP characteristics, and is compatible with iperf3 on other platforms. View Wi-Fi interface link speed and SSID.
- Network performance testing
- TCP bandwidth measurement
- UDP characteristic tuning
- iPerf3 client/server compatibility
- Customizable arguments
- Wi-Fi interface details
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This app is an iOS port for iperf3, which is the most commonly used network testing and performance computation tool. Iperf is a tool to measure maximum TCP bandwidth, allowing the tuning of various parameters and UDP characteristics. Features - Compatible with iperf3 in other platforms - Run as iperf3 client or server - Customize iperf3 arguments - Display Wi-Fi interface link speed and SSID IMPORTANT This application is based on iperf 3.21, which is not compatible with the legacy iperf (version 1.x and 2.x). And it may have some minor issues with the other iperf3 versions.
Sable.
This app connects to a SABnzbd instance, offering robust file management capabilities. It allows users to control their download queue, manage history items, and receive notifications. Premium features enhance the experience with advanced widgets and statistics.
- Pause/resume download queue
- Manage queue order and priority
- Upload .nzb files from device storage
- Retry or remove history items
- Control Center widget
- Notifications for new files and warnings
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Welcome to Sable. Sable is a companion app, designed to connect to an instance of SABnzbd. Sable has been meticulously crafted with the latest features of iOS to make it feel like a native part of your device, and not just an add on. Standard Features: - Pause/resume queue - Manage queue order/priority - Supply passwords - Upload .nzb from Files - Retry or remove history items - Control Center widget - Notify on new files and warnings Premium Features requiring purchase of Subscription: - Push Notifications - Home/Lock Screen widgets - Live Activity - Additional Statistics - Custom Icons & Appearance Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://codefruitio.github.io/getsable/privacypolicy/
Screenshots
Verdict
The clearest difference is review sentiment: Sable. at 89% against iPerf's 42%. Sable. also leads on price (Free vs $1.99) and rating (4.7 vs 4.2). iPerf's advantage is in-app purchases (none vs 4). On ratings volume, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Sable. is free to download; iPerf costs $1.99 up front. Sable. sells 4 in-app purchases, starting at $1.99 per month. iPerf asks for nothing beyond the download.
Sable. holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 19 and 30 respectively. Written reviews point the same way: 42% of iPerf's written reviews are positive against 89% of Sable.'s.
iPerf ships an update every 9 months, Sable. monthly. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.
| Parameter | iPerf | Sable. |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.2 (19 ratings) | 4.7 (30 ratings) — better |
| Positive reviews | 41.7% of reviews | 88.9% of reviews — better |
| Number of ratings | 19 | 30 — better |
| Update frequency | Every 9 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, Apple TV — better | iPhone, iPad |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 1 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Surge Networks Inc. | Tyler Plesetz |
Customer experience
iPerf
Sable.
In-app purchases
iPerf
No in-app purchases
Sable.
- Monthly Subscription$1.991 Month
- Yearly Subscription$4.991 Year
- Lifetime Upgrade$9.99
- Lifetime$14.99









