# NTP Inspector vs LipSync Test Tool

The clearest difference is price: NTP Inspector at Free against LipSync Test Tool's $8.99. LipSync Test Tool's advantage is update cadence (fortnightly vs monthly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

NTP Inspector is free to download; LipSync Test Tool costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NTP Inspector ships an update monthly, LipSync Test Tool fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | NTP Inspector | LipSync Test Tool |
| --- | --- | --- |
| Price | **Free** | $8.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ntp-inspector/id6757625801/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | — |
| Size | 3 MB | 5 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Antonios Chariton](https://appshunter.io/developer/1867948901) | [Norwin Palme](https://appshunter.io/developer/1889770642) |

## What reviewers say

### 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


### LipSync Test Tool

[App page](https://appshunter.io/ios/app/lipsync-test-tool/id6761455176)

**In-app purchases:** none


## Frequently asked questions

### Is NTP Inspector free?

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

### Is LipSync Test Tool free?

LipSync Test Tool costs $8.99, with no in-app purchases.

### Do NTP Inspector or LipSync Test Tool have ads?

Neither NTP Inspector nor LipSync Test Tool shows ads.

### Which is updated more often, NTP Inspector or LipSync Test Tool?

NTP Inspector ships an update monthly, and LipSync Test Tool fortnightly. Most recently, NTP Inspector was updated on October 31, 2026 and LipSync Test Tool on October 31, 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.*