# Zulu Time vs Lightspeed App

The clearest difference is review sentiment: Zulu Time at 79% against Lightspeed App's 11%. Zulu Time also leads on rating (4.8 vs 3.3) and ratings volume (2.6K vs 54). Lightspeed App's advantage is price (Free vs $0.99) and iOS requirement (15.0 vs 17.6). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Lightspeed App is free to download; Zulu Time costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Zulu Time holds the better App Store score, 4.8 against 3.3. That said, the two scores are not equally well evidenced: Zulu Time has 2.6K ratings behind it against 54, so its average is the more settled of the two. Written reviews point the same way: 79% of Zulu Time's written reviews are positive against 11% of Lightspeed App's.

Zulu Time ships an update every 3 months, Lightspeed App every 6 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Zulu Time | Lightspeed App |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.8 (2.6K ratings)](https://appshunter.io/ios/app/zulu-time/id377289826/reviews)** | [3.3 (54 ratings)](https://appshunter.io/ios/app/lightspeed-app/id1469234593/reviews) |
| Number of ratings | **2.6K** | 54 |
| Positive reviews | **78.6% of reviews** | 11.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 16 MB | 76 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Derek Spears](https://appshunter.io/developer/377289829) | [Lightspeed Aviation](https://appshunter.io/developer/541925734) |

## What reviewers say

### Zulu Time

[App page](https://appshunter.io/ios/app/zulu-time/id377289826)

This app displays local and UTC (Zulu) time, along with multiple time zones, on your iPhone, Apple Watch, and iPad. It offers widgets for quick access and features for calculating future or past times with offsets, simplifying timezone conversions for various professions.

**Highlights:** Display local and Zulu (UTC) time, Multiple time zone display, Home and Lock Screen widgets, Apple Watch complications, Future/past time offset calculations, Time zone conversion

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Zulu time on command
- 🔒 Robust security features
- 👍 Easy to read and use
- 👍 Excellent for aviation and radio operators
- 👍 Customizable and syncs correctly

**What reviewers complain about**

- 🐛 Watch complication not updating consistently
- 🐛 Local time not displaying correctly on widget
- 🐛 Complication shows only hours, not full time
- 🐛 Difficulty setting with Daylight Saving Time

**Reported bugs**

- Complication freezes after a few days
- Zulu time loses accuracy over time on Apple Watch
- Widget not updating local time properly

**Requested features**

- Add alarm feature
- Allow landscape mode for bedside clock view
- Provide option for always-on display
- Add time zone map for quick reference
- Show day of year in display


### Lightspeed App

[App page](https://appshunter.io/ios/app/lightspeed-app/id1469234593)

Enhance your flight experience with real-time CO sensor monitoring and personalized audio. Record and archive radio conversations for review and training.

**Highlights:** Real-time CO sensor tracking, Smart CO alerts, Personalized audio equalization (HearingEQity™), Record radio conversations, Archive flight recordings, Draw flight diagrams

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Zulu Time free?

Zulu Time costs $0.99, with no in-app purchases.

### Is Lightspeed App free?

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

### Which has better reviews, Zulu Time or Lightspeed App?

Zulu Time is rated higher. Zulu Time averages 4.8 out of 5 from 2.6K ratings, while Lightspeed App averages 3.3 from 54 ratings.

### Do Zulu Time or Lightspeed App have ads?

Neither Zulu Time nor Lightspeed App shows ads.

### Which is updated more often, Zulu Time or Lightspeed App?

Zulu Time ships an update every 3 months, and Lightspeed App every 6 months. Most recently, Zulu Time was updated on October 26, 2026 and Lightspeed App on October 24, 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.*