LEADMAX vs Vlim
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LEADMAX
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LM LEADMAX is the leader in lithium battery innovation that is dedicated to building the best in Lithium-Ion Products for Starting and Energy Storage. This App is designed to enable the user to gather insights into their battery parameters to assist in optimizing its use. Where enabled BT models of LM LEADMAX batteries can also be monitored from the LEADMAX App.
Vlim
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**Achieved via Bluetooth connection:** - **One‑tap On/Off & Temperature Adjustment** Remotely start or stop the air conditioner, precisely set your desired temperature, and say goodbye to traditional manual knobs. - **Multiple Fan Speeds & Mode Switching** Freely choose between cooling, fan‑only, and dehumidification modes to suit different weather and usage scenarios. - **Real‑time Status Monitoring** Clearly see the current temperature, operating power, and compressor speed. The AC status is easy to understand at a glance. - **Scheduled On/Off** Preset the start and stop times. Set the timer before bedtime and enjoy a full night’s sleep without having to get up midway. - **Fault Self‑diagnosis & Alerts** Automatically detect abnormal operation of the air conditioner, send timely push notifications, and ensure equipment safety.
Screenshots
Verdict
The clearest difference is update cadence: Vlim at every 8 days against LEADMAX's every 8 months. LEADMAX's advantage is iOS requirement (9.0 vs 13.0). On price, ads, 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. Neither carries in-app purchases, so what you see is what you pay.
LEADMAX ships an update every 8 months, Vlim every 8 days. The most recent releases landed on November 7, 2026 and October 25, 2026 respectively.
| Parameter | LEADMAX | Vlim |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 5 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | 宇文 钟 | Nanchang Yepai Technology Co., Ltd. |
In-app purchases
LEADMAX
No in-app purchases
Vlim
No in-app purchases









