YinJi CA vs OTG Driver
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YinJi CA
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Yin Ji Chang Fen was founded in the 1950s, is a food chain that mainly serve Rice Roll and Congee. Over the years, by virtue of high-quality taste of the traditional Rice Roll, well-known in the province of Guangdong, Hong Kong and Macao. The Rice Roll are “thin, delicious, smooth, unique taste” and won the “white as jade, thin as paper, smooth and delicious” evaluation. “Yin Ji Chang Fen” was already really popular in Guangzhou Old Xiguan area in the early 50s and 60s.
OTG Driver
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OTG Driver is a delivery application to showcase food delivery functionality and driver workflow management.
Screenshots
Verdict
The clearest difference is update cadence: OTG Driver at every 10 days against YinJi CA's every 19 months. OTG Driver also leads on iOS requirement (13.0 vs 18.0). 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.
YinJi CA ships an update every 19 months, OTG Driver every 10 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | YinJi CA | OTG Driver |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 19 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 147 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Snappy Innovation Inc. | Johny Chen |
In-app purchases
YinJi CA
No in-app purchases
OTG Driver
No in-app purchases
