Comparison

Format Conversion格式转换 vs ExpireMate

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Format Conversion格式转换

Features
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Format Conversion - Universal Format King is a multifunctional and versatile format conversion tool. Support document conversion, document scanning, PDF image export, image format conversion, image size compression, image ratio adjustment, vertical and horizontal image stitching, audio format conversion, video audio extraction, mobile ringtone production, setting mobile ringtones, audio cropping, audio stitching, audio mixing and synthesis, etc. *Document processing -Document Conversion: Supports converting dozens of document formats into PDF format. -PDF to Word: Convert PDF to Word format for easy editing and modification. -PDF image export: Export PDF images, supporting page by page image, long image stitching, and GIF animated image export. -Document scanning: Referring to a physical scanner, it can quickly scan and automatically correct distorted images. It can be customized with cropping adjustments and supports black and white, grayscale, and filter processing. It also supports exporting PDFs or images for easy printing *Image processing -Image format conversion: Batch convert images to various formats, including JPG, PNG, JPEG, GIF, WebP, BMP, TIFF, TIFF, Tag, and ICO. -Image size compression: Batch high-definition compression of image size, reducing size without compromising image quality and minimizing storage space usage. -Image scale adjustment: Supports 9:16, 16:9, 1:1, 3:4, 4:3, 6:7, 21:9, 9:21 scale adjustment, and can also be customized. It can adapt or fill the screen, and can set background blur and background color. -Image stitching: Supports vertical and horizontal stitching, and can set borders, spacing, rounded corners, background color, text, and stickers, etc. *Audio processing -Audio format conversion: Supports multiple audio format conversions. -Video audio extraction: Extract audio from videos, editable. -Creating mobile ringtones: Create and set your favorite music as a personalized ringtone that supports multiple music platforms. Support audio splicing, audio mixing and synthesis, audio cropping, etc. -Audio cropping: Crop the audio duration according to your own needs. Regarding PRO subscription: The subscription price is 12 yuan per week, 28 yuan per month, 98 yuan per year, and 168 yuan for permanent one-time purchase. The price may vary depending on the marketing policies at that time. Weekly, monthly, and yearly subscriptions will automatically renew unless auto renewal is turned off at least 24 hours before the end of the current period. The account will be charged a renewal fee within 24 hours before the end of the current period, and the renewal fee subscription can be managed by the user, and automatic renewal can be turned off by transferring to the user's App Store account settings after purchase. User terms: http://privacypolicy.yayaxiaoqu.com.cn/formatconversion/user_agreement.html Privacy Policy: http://privacypolicy.yayaxiaoqu.com.cn/formatconversion/privacy_policy.html

About

ExpireMate

Features
Read full description

ExpireMate is a smart expiration tracking app that helps you manage food and household items with ease. Simply scan items using your camera or enter them manually to record expiration dates and receive reminders before they expire. Organize items by category and keep everything under control. Key Features: • AI-powered scanning for fast item entry • Customizable expiration reminders • Inventory organization by category • Waste tracking statistics and insights • Family sharing with iCloud sync • Data backup and restore Subscription Options: • ExpireMate Pro Monthly ($2.99/month) • ExpireMate Pro Yearly ($19.99/year) • ExpireMate Pro Lifetime ($39.99 one-time) Free users can track up to 5 active items. Upgrade to Pro for unlimited items, custom reminders, family sharing, and backup features. Privacy Policy: https://expiremate.app/privacy Terms of Service: https://expiremate.app/terms

Screenshots

Format Conversion格式转换4 screens
ExpireMate4 screens

Verdict

The call

The clearest difference is update cadence: ExpireMate at every 9 days against Format Conversion格式转换's every 5 months. On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Format Conversion格式转换 sells 4 in-app purchases, starting at $1.99 per 7 days and ExpireMate sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Format Conversion格式转换 ships an update every 5 months, ExpireMate every 9 days. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

Scorecard1 real difference · 5 level
Format Conversion格式转换 versus ExpireMate: the parameters behind the verdict, then further details
ParameterFormat Conversion格式转换ExpireMate
PriceFreeFree
Update frequencyEvery 5 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size29 MB4 MB
Age rating4+4+
Developer彦 唐正海 蔡

In-app purchases

4 purchases

Format Conversion格式转换

Subscriptions3
  • PRO Weekly Subscription$1.997 Days
  • PRO Monthly Subscription$3.991 Month
  • PRO Yearly Subscription3 Days trial$14.991 Year
One-time1
  • Permanent PRO$24.99
3 purchases

ExpireMate

Subscriptions2
  • ExpireMate Pro Monthly$2.991 Month
  • ExpireMate Pro Annual$19.991 Year
One-time1
  • ExpireMate Lifetime$39.99

Questions

Is Format Conversion格式转换 free?
Format Conversion格式转换 is free to download, with in-app purchases available.
Is ExpireMate free?
ExpireMate is free to download, with in-app purchases available.
Do Format Conversion格式转换 or ExpireMate have ads?
Neither Format Conversion格式转换 nor ExpireMate shows ads.
Which is updated more often, Format Conversion格式转换 or ExpireMate?
Format Conversion格式转换 ships an update every 5 months, and ExpireMate every 9 days. Most recently, Format Conversion格式转换 was updated on September 30, 2026 and ExpireMate on September 28, 2026.

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