PDRA Slips vs GoAlerts
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDRA Slips
Access detailed drag racing time slips from PDRA events directly on your phone. Enhance your race day experience with real-time weather data and automatic density altitude calculations to help tune your engine and strategize your dial-in.
- Real-time time slip data
- Weather station information
- Automatic density altitude calculation
- Engine tuning assistance
- Dial-in calculation for bracket racing
- Review qualification, pairing, and ladder reports
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Drag racing Time slips from the PDRA events are currently printed using a receipt printer at the race track. This app shows the same time slips information on your phone. The app also enhanced the racer and spectator's experience at the race track by reading more detailed information from each race track on the phone in realtime (within seconds after each race). The app shows the weather station information and calculate the Density Altitude automatically to help the racers to tune their engines before racing. A first in the industry. This app lets you review drag racing time slips from PDRA events at any time including qualification, pairing and ladder reports. The racers can also use the time slips of their car# and show their car's performance base on the Density Altitude to help calculate your next Dial In at your next bracket drag race with your car. This is another first in the industry. You can review our "Terms of Use" here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ You can review our "Privacy Policy" here: https://www.dynogeeks.com/privacy.html
GoAlerts
Stay informed about drag racing events with instant notifications for class calls, schedule changes, and announcements. Event promoters can manage their events and send real-time updates to subscribers. Never miss an important call whether you're in the lanes or the stands.
- Real-time push notifications
- Event subscription
- Class call alerts
- Schedule change updates
- Event promoter management
- Instant announcements
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GoAlerts is the fastest way for drag racers and fans to stay connected with what's happening at their favorite events. Browse upcoming races, subscribe to the ones you care about, and get instant push notifications for class calls, schedule changes, updates, and important announcements. Event promoters can securely log in to manage their events and send real-time notifications directly to subscribers. Whether you're in the lanes or in the stands, GoAlerts keeps you informed so you never miss a call.
Screenshots
Verdict
The clearest difference is rating: GoAlerts at 4.9 against PDRA Slips's 3.7. GoAlerts also leads on in-app purchases (none vs 2) and ratings volume (278 vs 3). On price, review sentiment, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. PDRA Slips sells 2 in-app purchases, starting at $4.99 per month. GoAlerts asks for nothing beyond the download.
GoAlerts holds the better App Store score, 4.9 against 3.7. That said, the two scores are not equally well evidenced: GoAlerts has 278 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Both ship on a similar rhythm, roughly fortnightly. Both last shipped on October 24, 2026.
| Parameter | PDRA Slips | GoAlerts |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 4.9 (278 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 | 278 — better |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Stephan Monette | Logan Back |
Customer experience
PDRA Slips
GoAlerts
In-app purchases
PDRA Slips
- PDRA Sharing Access$4.991 Month
- Annual Premium Access$8.991 Year
GoAlerts
No in-app purchases








