Comparison

Image Compressor vs ShiftMate

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

Head to head
About

Image Compressor

This utility app intelligently compresses photos to save storage space. It offers real-time compression, smart cleanup suggestions, and gamified statistics, all accessible offline.

Highlights
  • Real-time photo compression
  • Smart cleanup suggestions
  • Gamified statistics
  • Offline operation
  • Settings center
Features
Read full description

An intelligent photo compression tool that supports offline operation, with four main tabs corresponding to core scenarios: real-time compression, smart cleanup suggestions, gamified statistics, and settings center.

About

ShiftMate

Effortlessly manage irregular work schedules and track earnings with this intuitive calendar app. It features automatic schedule rotation, precise wage calculation including overtime, and seamless integration with your device's system calendar. Visualize your work history with shareable monthly summaries.

Highlights
  • Intuitive shift calendar
  • Precise wage calculator
  • Automatic schedule rotation
  • Monthly summary cards
  • System calendar sync
  • Privacy-focused design
Features
Read full description

Master Your Shift Life with ShiftMate Stop using paper calendars and messy spreadsheets. ShiftMate is the shift calendar built for nurses, police, firefighters, factory and retail workers, and anyone working irregular hours. It combines an easy-to-use calendar with a precise wage and paycheck calculator, so you always know when you work and what you've earned. Use it as your work hours tracker, timesheet and time card — no time clock needed. KEY FEATURES 1. Paint Your Schedule Forget typing. Pick a shift type (Day, Night, Off…) and tap dates on the calendar — as easy as painting. Swipe left or right to switch months. 2. Two Jobs in One Day — NEW Working a morning job and an overnight job? Long-press a day to add a second shift. Each shift's hours, pay and overtime are calculated separately, and your monthly totals include both. 3. Precise Wage Calculator - Real-time earnings: see exactly how much you've earned this month - Smart overtime: calculated automatically (e.g. 1.5x) beyond your standard hours - Weekend & holiday premiums: set your own percentage per shift type - Unpaid breaks: for accurate net pay - Tips & extra income: log tips and they're added to that day's total 4. Smart Auto-Rotation Work a repeating pattern like "4 on, 2 off"? Set it once and ShiftMate fills in your calendar for the year ahead. 5. Day Details Long-press any scheduled day to see its shifts, hours, pay and tips — add or remove shifts in one place. 6. Monthly Snapshots & History Create a clean monthly summary card with one tap. Save it to Photos or share it with family. 7. Payslip Export (PDF & CSV) Export a formatted PDF payslip or a CSV time sheet for payroll, reimbursements, or keeping a work log of every hour. 8. Home Screen Widgets See your Next Shift, Today's Shift and This Week at a glance — without opening the app. 9. Shift Reminders Get notified 15 minutes to 2 hours before your shift starts. 10. Calendar Sync Sync shifts to your iPhone calendar — perfect for sharing your schedule with your partner or family. 11. Private & Secure Your data stays on your device. With iCloud sync on, it only syncs to your own iCloud account. We never collect your schedule or earnings. PERFECT FOR - Nurses & healthcare workers - Police & security officers - Firefighters & EMS - Retail, hospitality & factory workers - Part-timers and anyone working two jobs Download ShiftMate today and take control of your time and money! Terms of Use: https://open-vole-df1.notion.site/Terms-of-Use-2ba015a393e780fa9dcafb282910f8f9?pvs=73 Privacy Policy: https://open-vole-df1.notion.site/Privacy-Policy-2ba015a393e7805e9cb8c805a3ae1f93

Screenshots

Image Compressor3 screens
ShiftMate4 screens

Verdict

The call

The clearest difference is review sentiment: ShiftMate at 67% against Image Compressor's 0%. ShiftMate also leads on rating (4.3 vs 3.4) and ads (none vs shown). Image Compressor's advantage is in-app purchases (none vs 4) and iOS requirement (15.6 vs 17.6). On price, ratings volume 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. ShiftMate sells 4 in-app purchases, starting at $3.99 per month. Image Compressor asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ShiftMate holds the better App Store score, 4.3 against 3.4. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 0% of Image Compressor's written reviews are positive against 67% of ShiftMate's.

UpkeepUpdate frequency

Image Compressor ships an update every 3 months, ShiftMate every 2 weeks. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Image Compressor versus ShiftMate: the parameters behind the verdict, then further details
ParameterImage CompressorShiftMate
PriceFreeFree
Rating3.4 (5 ratings)4.3 (3 ratings) — better
Positive reviews0.0% of reviews66.7% of reviews — better
Number of ratings5 — better3
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better17.6
Further details — not scored
Size6 MB23 MB
Age rating4+4+
Developer晗 畅藤萍 余

Customer experience

Image Compressor

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

ShiftMate

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

None

Image Compressor

No in-app purchases

4 purchases

ShiftMate

Subscriptions2
  • ShiftMate Pro - Monthly$3.991 Month
  • ShiftMate Pro - Yearly7 Days trial$29.991 Year
One-time2
  • Lifetime Pro (New User Offer)$55.99
  • Lifetime Pro$69.99

Questions

Is Image Compressor free?
Image Compressor is free to download, with no in-app purchases.
Is ShiftMate free?
ShiftMate is free to download, with in-app purchases available.
Which has better reviews, Image Compressor or ShiftMate?
ShiftMate is rated higher. Image Compressor averages 3.4 out of 5 from 5 ratings, while ShiftMate averages 4.3 from 3 ratings.
Do Image Compressor or ShiftMate have ads?
Image Compressor shows ads; ShiftMate does not.
Which is updated more often, Image Compressor or ShiftMate?
Image Compressor ships an update every 3 months, and ShiftMate every 2 weeks. Most recently, Image Compressor was updated on October 6, 2026 and ShiftMate on October 24, 2026.

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