# LaRC Alerts vs T

The clearest difference is review sentiment: T at 70% against LaRC Alerts's 0%. T also leads on rating (4.7 vs 4.0) and update cadence (monthly vs every 10 months). LaRC Alerts's advantage is in-app purchases (none vs 15) and iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. T sells 15 in-app purchases, starting at $1.99 per month. LaRC Alerts asks for nothing beyond the download.

T holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: T has 892 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of LaRC Alerts's written reviews are positive against 70% of T's.

LaRC Alerts ships an update every 10 months, T monthly. The most recent releases landed on October 8, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | LaRC Alerts | T |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/larc-alerts/id1104412297/reviews) | **[4.7 (892 ratings)](https://appshunter.io/ios/app/t-minus-space-launch-tracker/id1496516813/reviews)** |
| Number of ratings | 2 | **892** |
| Positive reviews | 0.0% of reviews | **70.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 20 MB | 141 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [NASA](https://appshunter.io/developer/355542146) | [TARS Technologies LLC](https://appshunter.io/developer/1280883504) |

## What reviewers say

### LaRC Alerts

[App page](https://appshunter.io/ios/app/larc-alerts/id1104412297)

Get immediate notifications for weather, fire, security, and safety emergencies affecting Langley Research Center. This app provides critical updates directly from Center Emergency Management personnel to keep you informed about on-site conditions.

**Highlights:** Emergency event alerts, Weather notifications, Safety alerts, Fire alerts, Security alerts, On-site condition updates

**In-app purchases:** none


### T

[App page](https://appshunter.io/ios/app/t-minus-space-launch-tracker/id1496516813)

Stay informed about all space launches and events from agencies like SpaceX and NASA. Watch live streams, access real-time data, and discover historical missions. Features include push notifications, widgets, and collectible mission patches.

**Highlights:** Track launches from 7000+ past missions, Watch live streams and HD videos, Receive push notifications for launches, iOS widgets and Apple Watch app, Collect mission patch trading cards, Follow ISS and Starbase activity, Browse astronaut and spacecraft catalog

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Monthly | $3.49 | per month |
| Premium Yearly | $19.99 | per year |
| Premium Yearly | $34.99 | per year |
| Electron | $0.99 | one-time |
| Z Series Space Suit | $1.99 | one-time |
| Soyuz | $2.99 | one-time |
| Constellation Lunar Suit | $2.99 | one-time |
| Falcon 9 | $4.99 | one-time |
| Delta IV Heavy | $9.99 | one-time |
| SpaceX Flight Suit | $9.99 | one-time |
| NASA Lunar Suit | $9.99 | one-time |
| Starship | $19.99 | one-time |
| SLS | $24.99 | one-time |
| Elon Musk | $29.99 | one-time |

**What reviewers like**

- 🚀 Best space app
- 🚀 Easy way to be up to date
- 🚀 Perfect launch tracker
- 🚀 Game changer
- 🚀 Perfect!

**What reviewers complain about**

- 🔒 Premium only features
- 🐛 Stopped working
- 🐛 Not very reliable
- 🔋 Dominated by ads now
- 🐛 New update limits the app

**Reported bugs**

- Custom app icons don't work
- Upcoming launches take long to update
- Unnecessary loading screen
- Deletions to scheduled launches not explained

**Requested features**

- iPad app
- Support for iOS 16 Lock Screen widget
- Trading cards feature
- Smaller Lock Screen widget


## Frequently asked questions

### Is LaRC Alerts free?

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

### Is T free?

T is free to download, with in-app purchases available.

### Which has better reviews, LaRC Alerts or T?

T is rated higher. LaRC Alerts averages 4.0 out of 5 from 2 ratings, while T averages 4.7 from 892 ratings.

### Do LaRC Alerts or T have ads?

Neither LaRC Alerts nor T shows ads.

### Which is updated more often, LaRC Alerts or T?

LaRC Alerts ships an update every 10 months, and T monthly. Most recently, LaRC Alerts was updated on October 8, 2026 and T on October 20, 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.*