Comparison

iSign vs ShiftFlow

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

Head to head
About

iSign

Transform any document into a searchable, signable PDF. Scan, organize, and edit with AI-powered summaries and OCR. Your data remains private on your device.

Highlights
  • Scan documents to PDF
  • Automatic edge detection
  • Edit and sign documents
  • OCR text recognition
  • AI-powered summaries
  • On-device data storage
Features
Read full description

Turn any document into a searchable, signable PDF — in seconds. Sherlock is the fastest way to scan, organize, sign, and understand your documents. Whether it's a contract, a receipt, or a handwritten note — just point your camera and you're done. SCAN TO PDF INSTANTLY Use your camera to capture any document with automatic edge detection and perspective correction. Sherlock produces crisp, high-quality PDFs every time — no flatbed scanner needed. EDIT & SIGN DOCUMENTS Add your signature, insert text, draw annotations, and reorder pages directly inside the app. Send signed contracts in minutes, not days. OCR TEXT RECOGNITION Sherlock reads your scanned documents and extracts all the text, making it searchable and copyable. Find any word inside any document, instantly. AI-POWERED SUMMARIES Paste any document or text and get a clear, concise summary in seconds. Ask follow-up questions to refine and dig deeper, like having a personal assistant for your paperwork. YOUR DATA STAYS PRIVATE Documents are stored exclusively on your device. Nothing is uploaded to the cloud without your consent. Your files are yours always. PERFECT FOR: - Freelancers & remote workers signing contracts on the go - Students digitizing class notes and textbooks - Anyone who wants to go paperless at home - Professionals managing receipts, invoices, and legal documents Try free for 3 days. No commitment. Start your trial and see why Sherlock is the last document app you'll ever need. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ShiftFlow

Streamline team time tracking and scheduling with a user-friendly system. Features include real-time clock-ins with GPS verification, smart shift planning, and easy timesheet exports. Simplify payroll and gain visibility into team hours.

Highlights
  • Real-time clock-ins with GPS verification
  • Smart shift scheduling and availability management
  • One-click timesheet exports (CSV/PDF)
  • Job code and earnings tracking
  • Time off management
  • Team chat and messaging
Features
Read full description

Your team deserves better than messy spreadsheets or clunky and complicated systems. ShiftFlow is a complete time and attendance solution built around how your team actually works. From real-time clock-ins and GPS verification to smart shift scheduling and one-click timesheet exports, we help you save time today — so you can build a stronger business tomorrow. Built for Real Teams, Real Workflows • Get up and running in seconds – No complex setup or onboarding required • Scheduling made simple – Plan shifts and manage availability in one place • Clock-in from anywhere – Use GPS verification, geofencing, and selfie check-ins • Track job codes, earnings, and expenses – Understand where time and money go • Manage time off easily – Approve, decline, or track leave with clarity • Export clean timesheets – Choose CSV or PDF format, filtered by team, job, or date range • Communicate instantly – Team chat, read receipts, and group messaging • Real-time visibility – See who's on the clock at a glance from your home screen What Teams Are Saying “It’s practical, functional, and easy to use.” – Bee. I. g “Good app. Easy to use and friendly. Less paperwork and real-time checking staff attendance.” – BreadNco “Doing payroll just got easy!” – Circle M Ranch “ShiftFlow has been a game-changer for managing our team hours.” – Gloria.WRH “I tried so many others and this one is definitely the best I’ve ever seen.” – J Garoppolo “This app will NOT disappoint. The customer service is amazing.” – Ern Saved by grace “Keeps my work shifts on track — love it!” – danii4358 “I recommend it to every small business owner with employees. It’s amazing!!!” – Deedee Mullen Ready to Simplify Time & Attendance? ShiftFlow is built for real teams who need a reliable, easy-to-use solution for time tracking, scheduling, and payroll. Whether you manage a small crew or a growing workforce, we’re here to help you save time, reduce errors, and focus on what matters most — growing your business. Got questions or ideas? We’d love to hear from you. Contact us at team@shiftflow.app. Terms & Conditions: https://www.shiftflow.app/terms-conditions

Screenshots

iSign4 screens
ShiftFlow4 screens

Verdict

The call

The clearest difference is ratings volume: ShiftFlow at 2.3K against iSign's 1. ShiftFlow also leads on chart position (#191 vs unranked) and device support (4 vs 2). iSign's advantage is rating (5.0 vs 4.8) and review sentiment (100% vs 89%). On price, update cadence, ads and in-app purchases 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. iSign sells 4 in-app purchases, starting at $0.99 per month and ShiftFlow sells 13 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

iSign holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: ShiftFlow has 2.3K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of iSign's written reviews are positive against 89% of ShiftFlow's.

UpkeepUpdate frequency

iSign ships an update fortnightly, ShiftFlow every 3 weeks. Both last shipped on October 14, 2026.

Scorecard6 real differences · 5 level
iSign versus ShiftFlow: the parameters behind the verdict, then further details
ParameteriSignShiftFlow
PriceFreeFree
Rating5.0 (1 ratings) — better4.8 (2.3K ratings)
Positive reviews100.0% of reviews — better88.5% of reviews
Number of ratings12.3K — better
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#191 — better
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS18.015.0 — better
Further details — not scored
Size69 MB186 MB
Age rating4+4+
DeveloperBruno WidePixnbit Inc.

Customer experience

iSign

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ShiftFlow

All ratings2,322 ratings
Positive95.0%
Neutral1.6%
Negative3.3%
Written reviews192 reviews
Positive88.5%
Neutral2.6%
Negative8.9%

Bugs and requests

iSign

Not enough reviews yet to summarise bugs or requests.

ShiftFlow

Reported bugs

2 issues
  • Login issues after extended use
  • Discrepancies in estimated pay calculations

Requested features

3 requests
  • Calendar feature for scheduling shifts
  • Mileage tracking functionality
  • Improved group management and sharing

In-app purchases

4 purchases

iSign

Subscriptions4
  • Scanner Pro - Monthly Promo$0.991 Month
  • Scanner Pro - Monthly$1.991 Month
  • Scanner Pro - Yearly Promo$9.991 Year
Show 1 more
  • Scanner Pro - Yearly$19.991 Year
13 purchases

ShiftFlow

Subscriptions13
  • Personal Weekly$1.997 Days
  • Personal Single User Monthly$4.991 Month
  • Team Monthly$19.991 Month
Show 10 more
  • Team Monthly Welcome Offer1 Month trial$19.991 Month
  • Up to 5 Users Monthly$24.991 Month
  • Up to 10 Users Monthly$49.991 Month
  • Personal Yearly3 Days trial$50.001 Year
  • Personal Single User Yearly$50.001 Year
  • Up to 15 Users Monthly$74.991 Month
  • Up to 25 Users Monthly$124.991 Month
  • Team Annual Mid Trial Offer1 Month trial$199.991 Year
  • Team Annual$199.991 Year
  • Up to 5 Users Yearly$250.001 Year

Questions

Is iSign free?
iSign is free to download, with in-app purchases available.
Is ShiftFlow free?
ShiftFlow is free to download, with in-app purchases available.
Which has better reviews, iSign or ShiftFlow?
iSign is rated higher. iSign averages 5.0 out of 5 from 1 ratings, while ShiftFlow averages 4.8 from 2.3K ratings.
Do iSign or ShiftFlow have ads?
Neither iSign nor ShiftFlow shows ads.
Which is updated more often, iSign or ShiftFlow?
iSign ships an update fortnightly, and ShiftFlow every 3 weeks. Most recently, iSign was updated on October 14, 2026 and ShiftFlow on October 14, 2026.

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