Watermark Maker vs 图片格式转换
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Watermark Maker
This multimedia editor allows you to add watermarks to videos and images, convert formats, compress files, and extract audio. It also offers video speed adjustments, clipping, and muffling, along with image cropping and text recognition.
- Add video watermarks
- Video format conversion
- Video compression
- Audio extraction
- Image format conversion
- Image compression
- Text recognition
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Watermark treasure - all-round audio and video, picture processor, your exclusive multimedia editor [Features] + Add video watermark + Video format conversion + Video compression + Audio extraction + Video speed change + Duration clipping + Video muffler + Image format conversion + Image compression + Image cropping + Text recognition + Image add watermark The following video formats are supported: FLV AVI, MOV, MP4, 3 gp, MPEG, SWF, MV, RMVB, MKV, QT, RM, M2TS, M2T, ASF, 3 g2, GIF, MPG Supports the following audio formats: MP3,OGG,WAV,M4A,AAC,M4R,WMA,FLAC,AC3,AMR,MMF,MP2,WV, The following image formats are supported: PNG,JPG,JPEG,GIF,PDF,SVG,BMP,EPS,ICO,TIFF,TGA,WBMP,WEBP The process of text recognition is completed on the server side. You only need to wait for about 3s to complete. We promise that we will not save your files and will regularly clear them. [Automatic renewal instructions for VIP Members] Subscription period: 1 month (VIP members are covered for consecutive months); 3 months (continuous VIP membership season) 1 year (continuous VIP membership year). Payment: The user confirms the purchase and charges it to his iTunes account. Cancel renewals: To cancel renewals, manually turn off automatic renewals in iTunes/Apple ID Settings Management 24 hours before the current subscription period expires. Renewal: Apple iTunes account will be deducted within 24 hours before the expiry date, and the renewal period will be extended by one subscription period after the successful deduction. Privacy policy: https://www.rynsolutions.com The user service agreement: https://www.rynsolutions.com
图片格式转换
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图片格式转换可以将您的图像和照片文件转换为几乎所有主流图像格式的文件!同时支持批量格式转换和批量压缩 图像转换器可以转换几乎所有图像文件至: JPG, PNG, GIF, PSD, PDF, SVG, BMP, EPS, HDR, ICO, TIFF, TGA, WBMP, WEBP, ICNS, ODD 或者 PS ! 转换步骤: 1. 任意选择一个或多个您要转换的文件 2. 点击转换 3. 等待1s左右即可转换完成 4. 分享转换后的文件到任意App 支持的输入文件格式包括: jpg, png, gif, psd, pdf, svg, bmp, eps, hdr, ico, tiff, tga, wbmp, webp icns, odd, ps, ETC! 支持的输出文件格式: jpg, png, gif, psd, pdf, svg, bmp, eps, hdr, ico, tiff, tga, wbmp, webp icns, odd, ps 转换在一个您的手机上完成,这使得转换更容易,更快速,更安全。 【VIP会员自动续订说明】 订阅周期:1个月(VIP会员连续包月);3个月(VIP会员连续包季)1年(VIP会员连续包年)。 付款:用户确认购买并付款后记入iTunes账户。 取消续订:如需取消续订,请在当前订阅周期到期前24小时之前手动在iTunes/Apple ID设置管理中关闭自动续订功能。 续订:苹果iTunes账户会在到期前24小时内扣费,扣费成功后续订周期顺延一个订阅周期。 隐私政策:https://docs.qingque.cn/d/home/eZQAsoqsFOxvMoQ4mKyuX2oc_?identityId=1qqKFxQIpd6 用户服务协议:https://docs.qingque.cn/d/home/eZQDlbYCjrdyoP826tdn3i4s1?identityId=1qqKFxQIpd6 Image Format Conversion can convert your images and photo files to files in almost all major image formats! Both batch format conversion and batch compression are supported Image Converter can convert almost all image files to: JPG, PNG, GIF, PSD, PDF, SVG, BMP, EPS, HDR, ICO, TIFF, TGA, WBMP, WEBP, ICNS, ODD or PS! Conversion steps: 1. Select any one or more files you want to convert 2. Click Convert 3. Wait about 1s to complete the conversion 4. Share the converted file to any App Supported input file formats include: jpg, png, gif, psd, pdf, svg, bmp, eps, hdr, ico, tiff, tga, wbmp, webp icns, odd, ps, ETC! Supported output file formats: jpg, png, gif, psd, pdf, svg, bmp, eps, hdr, ico, tiff, tga, wbmp, webp icns, odd, ps The conversion is done on one of your phones, which makes the conversion easier, faster, and safer. 【 Instructions for automatic Renewal of VIP membership 】 Subscription period: 1 month (VIP member continuous monthly subscription); 3 months (VIP membership consecutive package season) 1 year (VIP membership consecutive package year). Payment: The purchase is confirmed by the user and the payment is credited to the iTunes account. Cancel Renewal: To cancel a renewal, manually turn off automatic renewal in iTunes/Apple ID Settings management 24 hours before the current subscription period expires. Renewal: The Apple iTunes account will be charged within 24 hours before it expires, and the renewal cycle will be extended by one subscription cycle after the charge is successfully charged. Privacy policy: https://docs.qingque.cn/d/home/eZQAsoqsFOxvMoQ4mKyuX2oc_?identityId=1qqKFxQIpd6 The user service agreement: https://docs.qingque.cn/d/home/eZQDlbYCjrdyoP826tdn3i4s1?identityId=1qqKFxQIpd6
Screenshots
Verdict
Watermark Maker and 图片格式转换 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Watermark Maker sells 3 in-app purchases, starting at $5.49 per month and 图片格式转换 sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Watermark Maker ships an update every 2 weeks, 图片格式转换 weekly. The most recent releases landed on June 5, 2026 and September 14, 2026 respectively.
| Parameter | Watermark Maker | 图片格式转换 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (16 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 69 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | 云 杜 | 子豪 张 |
In-app purchases
Watermark Maker
- Month Membership1 Month trial$5.491 Month
- Season Membership3 Months trial$14.493 Months
- Year Membership1 Year trial$20.491 Year
图片格式转换
- Month Membership1 Month trial$3.991 Month
- Season Membership3 Months trial$9.993 Months
- Year Membership1 Year trial$19.991 Year









