JJ20 vs Mr.GC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JJ20
This app integrates news, social networking, concert tracking, and an online store. It aims to foster close interaction and create a supportive community for fans.
- News feed
- Social networking
- Concert tracking
- Online store
- Fan community building
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JJ20是一款集资讯、交友、演唱会追踪、网上商城等功能为一体的软件，满足JM与JJ的零距离交流互动，并致力于为JM打造温馨大家庭。
Mr.GC
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Mr.GC is an AI-powered home services marketplace connecting customers with skilled contractors in New York City. Snap a photo of any repair issue — Mr.GC's AI instantly diagnoses the problem, estimates the cost, and matches you with verified local contractors. No registration required to get started. Key features: • AI photo diagnosis — identify plumbing, electrical, and HVAC issues instantly • Smart contractor matching — vetted professionals with real reviews • Real-time tracking — know exactly when your contractor arrives • Multilingual support — English, Chinese, Spanish, Japanese • Secure payments — funds held safely until work is complete
Screenshots
Verdict
The clearest difference is update cadence: Mr.GC at every 4 days against JJ20's every 10 days. JJ20's advantage is iOS requirement (11.0 vs 15.1). 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.
JJ20 ships an update every 10 days, Mr.GC every 4 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | JJ20 | Mr.GC |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (29 ratings) — better | — |
| Positive reviews | 34.9% of reviews | — |
| Number of ratings | 29 — better | — |
| Update frequency | Every 10 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 112 MB | 42 MB |
| Age rating | 17+ | 4+ |
| Developer | Shanghai Orota Tech Co., Ltd. | Mr.GC AI Technology |
In-app purchases
JJ20
No in-app purchases
Mr.GC
No in-app purchases
