ERC vs QY STEM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ERC
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vacuum cleaner robot
QY STEM
This offline programming application is designed for competitive programming. It offers a dedicated environment for users to practice and prepare for coding competitions.
- Offline programming environment
- Competition preparation
- Dedicated coding practice
- Supports multiple devices
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QY-STEM is a dedicated offline programming APP for competition
Screenshots
Verdict
The clearest difference is device support: QY STEM at 3 against ERC's —. ERC's advantage is iOS requirement (7.0 vs 12.0). On price and in-app purchases 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.
| Parameter | ERC | QY STEM |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 6 weeks |
| Ads | — | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 6 MB | 137 MB |
| Age rating | 4+ | 4+ |
| Developer | 卫荣 肖 | 广东群宇互动科技有限公司 |
In-app purchases
ERC
No in-app purchases
QY STEM
No in-app purchases
