DragLights vs DER Series
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DragLights
Measure acceleration with multiple modes for sports and racing. Offers different tree types for varied measurement intervals. Designed for quick and automatic data capture.
- Automatic acceleration measurement
- Multiple measurement modes
- Sport and race trees
- Adjustable measurement intervals
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Autostart acceleration measurement. Choose from 3 types of trees - SPORT 0.500, PRO 0.400, PRO 0.500 and race!
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 ads: DER Series at none against DragLights's shown. DER Series also leads on update cadence (weekly vs every 3 weeks). DragLights's advantage is iOS requirement (12.3 vs 15.6). On price, in-app purchases 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. DragLights sells 1 one-off in-app purchase and DER Series sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
DragLights ships an update every 3 weeks, DER Series weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | DragLights | DER Series |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (14 ratings) — better | — |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.3 — better | 15.6 |
| Further details — not scored | ||
| Size | 10 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | VOLODYMYR YEFIMOV | Stephan Monette |
In-app purchases
DragLights
- Remove Ads$2.99
DER Series
- Monthly Premium Access$0.991 Month
- DERSeries Sharing Service$4.991 Month
