YO vs ATCD
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
YO
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YO-SMART is an App for controlling smart home lighting. Many different kinds of devices can be added and controlled remotely from anywhere.
ATCD
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ATCD app can be used to control RGBW LED Wallwasher Lights from ATCD. With ATCD app, users can create lighting groups, can change lighting colors through smart devices.
Screenshots
Verdict
The clearest difference is iOS requirement: ATCD at 12.0 against YO's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.
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.
YO ships an update every 3 months, ATCD every 2 months. The most recent releases landed on June 22, 2026 and March 25, 2026 respectively.
| Parameter | YO | ATCD |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 months β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 14.0 | 12.0 β better |
| Further details β not scored | ||
| Size | 409 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | ε ιΉ | ZHUHAI REDBAY CO., LTD |
In-app purchases
YO
No in-app purchases
ATCD
No in-app purchases
