# S3 Explorer vs NTP Inspector

The clearest difference is review sentiment: NTP Inspector at 100% against S3 Explorer's 25%. NTP Inspector also leads on price (Free vs $7.99) and update cadence (monthly vs every 8 months). S3 Explorer's advantage is device support (4 vs 2). On ads, in-app purchases and iOS requirement there is nothing between them.

NTP Inspector is free to download; S3 Explorer costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

S3 Explorer ships an update every 8 months, NTP Inspector monthly. The most recent releases landed on September 9, 2026 and July 16, 2026 respectively.

## The numbers

| Metric | S3 Explorer | NTP Inspector |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ntp-inspector/id6757625801/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 5 MB | 3 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jose Leal](https://appshunter.io/developer/1441468562) | [Antonios Chariton](https://appshunter.io/developer/1867948901) |

## What reviewers say

### S3 Explorer

[App page](https://appshunter.io/ios/app/s3-explorer/id1452893031)

Access and manage your AWS S3 cloud storage directly from your device. Stream compatible media files without needing to download them first. Preview and share files and images securely, leveraging Amazon's certified security.

**Highlights:** Browse AWS S3 cloud storage, Stream compatible media files, Preview and share files, Amazon certified security, Supports multiple devices

**Features:** Vision Pro support

**In-app purchases:** none


### NTP Inspector

[App page](https://appshunter.io/ios/app/ntp-inspector/id6757625801)

This utility app allows you to query NTP servers on the internet and view detailed information from their responses. It helps troubleshoot server issues by providing protocol version, stratum, reference time, and leap second status directly from your device.

**Highlights:** Query NTP servers, View protocol version, Check server stratum, Report reference time, Detect leap seconds, Troubleshoot network issues

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is S3 Explorer free?

S3 Explorer costs $7.99, with no in-app purchases.

### Is NTP Inspector free?

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

### Do S3 Explorer or NTP Inspector have ads?

Neither S3 Explorer nor NTP Inspector shows ads.

### Which is updated more often, S3 Explorer or NTP Inspector?

S3 Explorer ships an update every 8 months, and NTP Inspector monthly. Most recently, S3 Explorer was updated on September 9, 2026 and NTP Inspector on July 16, 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.*