L vs Aray DC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
L
This app manages electronic bicycle shifters, allowing users to select parameters, adjust gears, and fine-tune cable distance. It also supports firmware upgrades for bicycle drive-train components.
- Electronic shifter hardware management
- Parameter selection for derailleurs
- Gear adjustment
- Fine-tune cable distance
- Firmware upgrades
Read full descriptionHide full description
Zhuhai L-TWOO Controller Technology Co.,Ltd is a high-tech enterprise specializing in the design and production of bicycle drive-train components. L-TWOO has a professional design and production team with rich experience in the production of bicycle derailleurs, providing customers with professional full-range product solutions. At present, L-TWOO has been granted dozens of patent rights, and has led the drafting of national bicycle transmission industry standards. Our products are exported to Europe, the United States, South America and the Middle East. eStep APP is the hardware management platform of L-TWOO Electronic Shifter. With eStep APP, you can complete the convenient interaction between mobile phone and electronic shifter. eStep APP can select the parameters of the electronic shifter according to the type of bicycle rear derailleur and front derailleur, adjust gear and fine-tune cable distance, and upgrade firmware etc.
Aray DC
Read full descriptionHide full description
Aray DC is a smart monitoring and management platform designed for mobile portable energy storage devices. After registering and logging in, users can connect via Bluetooth to nearby devices, enabling real-time monitoring, improved O&M efficiency, and enhanced system security. Main features: Device Monitoring: Real-time view of core data such as voltage, current, and power. Safety Management: Instant alerts for abnormal device status, helping users quickly locate issues. Account Login: After login, search via Bluetooth to connect to your dedicated hardware device. Wherever you are, Aray DC enables efficient management of your energy storage system, improving reliability and safety.
Screenshots
Verdict
The clearest difference is iOS requirement: Aray DC at 13.0 against L's 15. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
L ships an update every 6 weeks, Aray DC every 2 months. The most recent releases landed on October 27, 2026 and October 17, 2026 respectively.
| Parameter | L | Aray DC |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (6 ratings) — better | — |
| Positive reviews | 28.6% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15 | 13.0 — better |
| Further details — not scored | ||
| Size | 55 MB | 27 MB |
| Age rating | 4+ | 17+ |
| Developer | ZHUHAI L-TWOO SPORTS TECHNOLOGY CO.,LTD | 深圳市傲雷新能源科技有限公司 |
In-app purchases
L
No in-app purchases
Aray DC
No in-app purchases
