CoolMonitor vs DEMT Fast Mechanics
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
CoolMonitor
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CoolMonitor helps you grasp the status of your device at a glance. CPU usage, screen refresh rate, network activity, storage and heat status are all concentrated in a clear panel. After enabling the charging detection, the charging power can be continuously observed. The results are only saved on the device itself, making it convenient to compare different charging processes. Key data can also be viewed at any time through native floating display, real-time activities, dynamic island and home screen widgets. Core functions View CPU usage, screen refresh rate, network activity, storage and heat status β’ Observe charging power β’ Review the charging history saved on this device β’ Continuously view key indicators through native system display β’ Rich and diverse custom display methods. And switch between Simplified Chinese, English and Traditional Chinese at any time. Privacy policy: https://zhangthree.cn/privacy.html Terms of Use (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
DEMT Fast Mechanics
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DEMT FastMechanics brings expert, certified mobile auto repair and maintenance directly to your doorstepβwhether you're at home, at work, or stranded on the road. Skip the wait times and hassle of traditional repair shops with on-demand booking, transparent pricing, and trusted mechanics. From routine maintenance and battery jump-starts to advanced computer diagnostics and fleet servicing, DEMT FastMechanics makes vehicle care seamless, transparent, and reliable.
Screenshots
Verdict
CoolMonitor and DEMT Fast Mechanics are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | CoolMonitor | DEMT Fast Mechanics |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.1 β better | 16.4 |
| Further details β not scored | ||
| Size | 12 MB | 80 MB |
| Age rating | 17+ | 4+ |
| Developer | Zhangsan Software Co., Ltd., Enshi Prefecture, Hubei Province | Momo D. Taylor Jr. |
In-app purchases
CoolMonitor
No in-app purchases
DEMT Fast Mechanics
No in-app purchases
Questions
Is CoolMonitor free?
Is DEMT Fast Mechanics free?
Do CoolMonitor or DEMT Fast Mechanics have ads?
Which is updated more often, CoolMonitor or DEMT Fast Mechanics?
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