Pro Pairings vs DER Series
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pro Pairings
This app offers a practice tree for online versus mode and a logbook with weather and ET prediction. Users can also stay updated with live and past results from events using the application worldwide.
- Online versus practice tree
- Logbook with weather prediction
- ET prediction
- Live event results
- Past event results
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• Practice Tree with Online Versus! • Log book with weather and ET prediction! • Keep up to date with live and past results from tracks and events running Pro Pairings from all around the world.
DER Series
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Drag racing Time slips from the DER Series 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 the DER Series at any time. 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
Screenshots
Verdict
The clearest difference is in-app purchases: Pro Pairings at none against DER Series's 2. On price, update cadence, ads and device support 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. DER Series sells 2 in-app purchases, starting at $0.99 per month. Pro Pairings asks for nothing beyond the download.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.
| Parameter | Pro Pairings | DER Series |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (27 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 128 MB | 19 MB |
| Age rating | 12+ | 4+ |
| Developer | Chase Meade | Stephan Monette |
In-app purchases
Pro Pairings
No in-app purchases
DER Series
- Monthly Premium Access$0.991 Month
- DERSeries Sharing Service$4.991 Month







