# Jazz Disk Bench Pro vs NNERGY

The clearest difference is review sentiment: Jazz Disk Bench Pro at 78% against NNERGY's 0%. Jazz Disk Bench Pro also leads on rating (4.4 vs 3.0) and update cadence (every 5 days vs every 3 weeks). NNERGY's advantage is price (Free vs $2.99) and iOS requirement (9.0 vs 15.2). On ads and in-app purchases there is nothing between them.

NNERGY is free to download; Jazz Disk Bench Pro costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Jazz Disk Bench Pro holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Jazz Disk Bench Pro has 28 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 78% of Jazz Disk Bench Pro's written reviews are positive against 0% of NNERGY's.

Jazz Disk Bench Pro ships an update every 5 days, NNERGY every 3 weeks. The most recent releases landed on September 26, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Jazz Disk Bench Pro | NNERGY |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.4 (28 ratings)](https://appshunter.io/ios/app/jazz-disk-bench-pro/id1298441490/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/nnergy/id1433869639/reviews) |
| Number of ratings | **28** | 2 |
| Positive reviews | **78.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Paid | **Free** |
| Size | 66 MB | 47 MB |
| Requires iOS | 15.2 | **9.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Baofeng County Jixu Education Information Consulting Co., Ltd.](https://appshunter.io/developer/1298441489) | [广州思脉时通讯科技有限公司](https://appshunter.io/developer/1433869638) |

## What reviewers say

### Jazz Disk Bench Pro

[App page](https://appshunter.io/ios/app/jazz-disk-bench-pro/id1298441490)

This tool measures storage performance for SSDs, SD cards, and internal/external drives. It provides accurate data on throughput using industry-standard testing methods for sequential speeds, random IOPS, and stress testing.

**Highlights:** Sequential Speed Test, 4K Random IOPS, Pro Stress Test, External Storage Support, Benchmark Details

**Features:** Vision Pro support

**In-app purchases:** none


### NNERGY

[App page](https://appshunter.io/ios/app/nnergy/id1433869639)

This utility app leverages broadcasting technology to provide detailed battery information. It displays real-time data about your device's power status, helping you monitor its health and usage.

**Highlights:** Battery information display, Broadcasting technology integration, Device power status monitoring, Real-time data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Jazz Disk Bench Pro free?

Jazz Disk Bench Pro costs $2.99, with no in-app purchases.

### Is NNERGY free?

NNERGY is free to download, with no in-app purchases.

### Which has better reviews, Jazz Disk Bench Pro or NNERGY?

Jazz Disk Bench Pro is rated higher. Jazz Disk Bench Pro averages 4.4 out of 5 from 28 ratings, while NNERGY averages 3.0 from 2 ratings.

### Do Jazz Disk Bench Pro or NNERGY have ads?

Neither Jazz Disk Bench Pro nor NNERGY shows ads.

### Which is updated more often, Jazz Disk Bench Pro or NNERGY?

Jazz Disk Bench Pro ships an update every 5 days, and NNERGY every 3 weeks. Most recently, Jazz Disk Bench Pro was updated on September 26, 2026 and NNERGY on June 1, 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.*