Comparison

zBenchmark vs MLX Benchmarks

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

zBenchmark

This app measures the performance of your iPhone, iPad, or iPod Touch's processor and memory. It offers seven benchmark tests and displays detailed technical information about your device.

Highlights
  • Processor performance testing
  • Memory bandwidth testing
  • Integer math operations
  • Floating point math operations
  • Prime number generation
  • Raytracing benchmark
  • Device technical details
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zBenchmark tests the performance of your iPhone, iPad, or iPod Touch's processor and memory system. It provides seven types of benchmark and graphs the results of them: • 64-bit memory bandwidth using transfers to/from main registers. • 128-bit memory bandwidth using transfers to/from vector registers. • Integer math operations. • Single-precision floating point math operations. • Double-precision floating point math operations. • Prime number generation. • Raytracing. The app also provides technical details about your device.

About

MLX Benchmarks

Features
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MLX Benchmark helps you understand how large language models perform on your hardware. Select a model and quantization, set context length and iterations, and run repeatable benchmarks that capture load time, tokenization time, time to first token, throughput, memory usage, and jitter. View detailed metrics grids, visualize comparisons in charts, and manage downloaded model repos directly in the app. Built for developers and AI enthusiasts who want clear, on-device performance insights without leaving their device. Features: - Model selection with quantization details - Configurable prompt, context length, and iterations - Metrics for load, tokenization, first-token latency, throughput, jitter, and memory - Charts to compare runs and devices - Downloaded model management (list, delete, refresh) - Optional Supabase upload for aggregating benchmark results

Screenshots

zBenchmark3 screens
MLX Benchmarks4 screens

Verdict

The call

The clearest difference is device support: MLX Benchmarks at 2 against zBenchmark's —. zBenchmark's advantage is iOS requirement (15.0 vs 18.6). On price and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
zBenchmark versus MLX Benchmarks: the parameters behind the verdict, then further details
ParameterzBenchmarkMLX Benchmarks
PriceFreeFree
Rating4.5 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequency—Every 2 days
Ads—No
In-app purchasesNoNo
MonetizationFree—
Devices—iPhone, iPad — better
Requires iOS15.0 — better18.6
Further details — not scored
Size2 MB18 MB
Age rating17+4+
DeveloperZack SmithCostantino Pistagna

In-app purchases

None

zBenchmark

No in-app purchases

None

MLX Benchmarks

No in-app purchases

Questions

Is zBenchmark free?
zBenchmark is free to download, with no in-app purchases.
Is MLX Benchmarks free?
MLX Benchmarks is free to download, with no in-app purchases.

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