随机数 vs SIFDC环控
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
随机数
Generate lucky numbers, aid decision-making, or create random selections for games. This app offers extensive customization for number ranges, batch generation, and even voice playback for random draws. Unlock advanced features and remove ads with a PRO subscription.
- Generate random numbers (0-999999999)
- Batch random number generation
- Customizable number ranges
- Voice playback for random draws
- Random password generation
- History of random draws
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极简随机数可用于生成幸运数字、选择恐惧症、小游戏等各种场合。 可生成从0到999999999之间的任意随机数。 可同时抽出数百个随机数字。 支持批量生成随机号码。 随机抽号支持历史记录随意查看， 支持分段随机和自定义随机。 支持语音播放随机点名。 支持随机密码自由设置。 更多贴心功能等您发现。 [PRO版订阅] 随机数全免费使用！升级 PRO版可移除广告，可按需选择！ 支持按月或按年订阅；也支持一次买断方式获取专业版权限。 订阅价格可能因地而异。订阅将通过您的 iTunes 账户进行扣款。 订阅会自动续订，除非您在当前订阅期结束至少 24 小时以前停止自动续订。当前订阅激活后不可取消。 购买后，在 App Store 的账户设置中可以管理您的订阅。 使用条款：http://www.greatapp.cn/html/terms.html 隐私协议：http://www.greatapp.cn/html/privacy.html
SIFDC环控
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iLabService释普科技的【SIFDC环控】，为用户提供实时查看监控数据，快速处理异常报警的功能
Screenshots
Verdict
The clearest difference is in-app purchases: SIFDC环控 at none against 随机数's 3. SIFDC环控 also leads on iOS requirement (11.0 vs 14.0). 随机数's advantage is update cadence (every 3 months vs every 28 months). On price, ads 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. 随机数 sells 3 in-app purchases, starting at $0.99 per month. SIFDC环控 asks for nothing beyond the download.
随机数 ships an update every 3 months, SIFDC环控 every 28 months. The most recent releases landed on October 29, 2026 and May 15, 2026 respectively.
| Parameter | 随机数 | SIFDC环控 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (81 ratings) — better | — |
| Positive reviews | 91.2% of reviews | — |
| Number of ratings | 81 — better | — |
| Update frequency | Every 3 months — better | Every 28 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | 海云 吴 | Shi Pu Information Technology (Shanghai) Co., Ltd. |
In-app purchases
随机数
- Monthly subscription$0.991 Month
- Yearly subscription$1.991 Year
- 去广告专业版$2.99
SIFDC环控
No in-app purchases
