事密达IM vs 知语
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
事密达IM
Record high-quality audio and video with AI noise reduction for clear sound. This app offers fun voice-changing effects for recordings and allows easy saving and sharing of past audio and video files.
- High-quality audio/video recording
- AI noise reduction
- Multiple voice-changing effects
- Save and share recordings
- Clear and bright audio quality
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它能录制高音质音视频，进行AI降噪，音质清晰明亮；可多种语音变声录制视频音频，大叔音、小清新、萌妹音，更多趣味变声等你选择；历史音视频还可保存录制的音视频，便于快速查看分享。 和朋友、小伙伴的趣味变声语音分享，就用事密达IM。
知语
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知语是一款引领潮流的手机聊天App，专注于提供隐私保护和端对端加密，让您轻松、放心地与亲朋好友保持联络。 知语以用户需求为核心，所有功能均免费使用，无需支付任何订阅费用。让每个人都能轻松体验强大功能。
Screenshots
Verdict
The clearest difference is in-app purchases: 知语 at none against 事密达IM's 3. On price, update cadence, 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. 事密达IM sells 3 one-off in-app purchases. 知语 asks for nothing beyond the download.
事密达IM ships an update monthly, 知语 every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | 事密达IM | 知语 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (8 ratings) — better | — |
| Number of ratings | 8 — better | — |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 175 MB | 86 MB |
| Age rating | 17+ | 17+ |
| Developer | 广州集梦网络科技有限公司 | Yeeya Technology Company |
In-app purchases
事密达IM
- 1个月vip$9.99
- 3个月vip$29.99
- 6个月vip$59.99
知语
No in-app purchases
