图片压缩 vs 抖抖水印
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
图片压缩
This app efficiently reduces image file sizes by up to 90% while preserving high quality. It supports various formats, batch processing, and custom resolution adjustments, all processed locally for security and speed.
- High-quality image compression (up to 90% reduction)
- Supports JPG, PNG, HEIC formats
- Customizable resolution and size
- Real-time preview and comparison
- Batch compression
- iCloud integration
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图片压缩 App 是一款专注于图片压缩瘦身的神器，通过专业压缩技术，在保持高品质图片画质情况下最高能减少90%的文件大小。 * 支持JPG、PNG、HEIC等主流照片格式 * 支持自定义压缩图片的分辨率尺寸 * 支持实时预览并对比压缩后的效果 * 支持批量一键压缩图片 * 支持从iCloud文件选择图片进行压缩 图片压缩App的压缩过程均在设备中完成，无需连接网络，提供安全高效的图片压缩体验。 如遇到任何问题，请通过设置页面内的反馈功能联系我们。 --------- 关于订阅制会员的说明 您可以按年成为图片瘦身 App 高级会员，在成为会员期间，您可以自由使用图片瘦身 App 的所有功能，我们将持续对功能进行更新和维护。 确认购买并支付后，将通过您的iTunes账号自动续订。苹果iTunes账户会在到期前24小时内扣费，扣费成功后订阅周期顺延一个订阅周期。如需取消续订，请在当前订阅周期到期前24小时以前，手动在iTunes/AppleID设置管理中关闭自动续费功能。试用期内，iTunes账户如不取消订阅，则会在试用期结束时自动开通订阅并扣款，未使用的试用时长在购买订阅之后将会自动作废。本服务由您自主选择是否取消，若您选择不取消，将为您开通下一个计费周期的续费服务。免费试用机会每位用户仅可在首次订阅时试用一次。 技术支持：https://docs.qq.com/doc/DT0xGS1ZKVmVyVGtD 隐私协议：https://docs.qq.com/doc/DT1VPRUR1WEVvc0R2
抖抖水印
Easily enhance and modify your images and videos. Add watermarks, adjust quality, convert formats, and even play videos in reverse or at variable speeds. Offers a range of editing tools for both static and moving media.
- Image analysis and attribution
- Add image and video watermarks
- Lossless image enlargement
- Image and video format conversion
- Image and video compression
- Video playback in reverse
- Video variable speed adjustment
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Doudou Watermark - a simple and easy-to-use image and video processing tool [Functional Features] +Image Analysis +Image attribution +Image watermark +Lossless enlargement of images +Image format conversion +Image compression +Image cropping +Video watermark +Video playback in reverse +Video variable speed +Video format conversion +Video compression [Instructions for Continuous Subscription Members] 1. Subscription service: Continuous (monthly/seasonal/annual) membership 2. Subscription cycle: one month/quarter/year; During the subscription period, users can experience the VIP membership function 3. Payment: After confirming the purchase, a fee will be deducted from the user's Apple iTunes account 4. Unsubscribe: If you need to cancel automatic renewal, please turn off automatic renewal at least 24 hours before the subscription period expires. After turning it off, there will be no further charges. If you do not cancel within 24 hours before the expiration, the subscription will be automatically renewed 5. Renewal: 24 hours before the expiration of a continuous (monthly/seasonal/annual) membership, Apple will automatically deduct the corresponding fee from your iTunes account. After successful (monthly/seasonal/annual) membership service, the validity period will be automatically extended by one cycle 6. Privacy Policy: https://cedar-wishbone-641.notion.site/b8fa7a12421c47269d0cba92ee5beb02?pvs=4 7. Continuous subscription agreement: https://cedar-wishbone-641.notion.site/b654b9a09c21454b8b8eb1a7fa380e1a?pvs=4
Screenshots
Verdict
The clearest difference is update cadence: 抖抖水印 at every 3 days against 图片压缩's every 5 weeks. 抖抖水印 also leads on ratings volume (5 vs 1). 图片压缩's advantage is rating (5.0 vs 4.6). On price, ads, in-app purchases and monetization model 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. 图片压缩 sells 1 in-app purchase, starting at $4.49 per year and 抖抖水印 sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
图片压缩 holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: 抖抖水印 has 5 ratings behind it against 1, so its average is the more settled of the two.
图片压缩 ships an update every 5 weeks, 抖抖水印 every 3 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | 图片压缩 | 抖抖水印 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.6 (5 ratings) |
| Positive reviews | 98.3% of reviews | — |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 5 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.4 — better |
| Further details — not scored | ||
| Size | 5 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | 阳理 江 | 智强 莫 |
Customer experience
图片压缩
抖抖水印
In-app purchases
图片压缩
- 高级会员3 Days trial$4.491 Year
抖抖水印
- Monthly Membership1 Month trial$4.991 Month
- Quarterly membership3 Months trial$14.993 Months
- Yuarterly membership1 Year trial$29.991 Year
