Comparison

OS1 vs Pegasus Mobile

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

Head to head
About

OS1

Features
Read full description

Inspection Software Simplified With OS1 Mobile, gain insight to the cleaning of your property. Inspections are completed and sent to you immediately.  You can create, track and update work tickets from any device that has Internet access. And with OS1Assure, know when high-traffic area have been cleaned using QR technology.  We've eliminated the need for paper logs that never get filled in - anyone with a smart phone can view last cleanings

About

Pegasus Mobile

This platform enhances communication between construction field teams and the office. It automates tasks, provides real-time job site data, and offers offline capabilities for reporting. Designed for ease of use, it supports teams with minimal tech experience.

Highlights
  • Real-time job site data
  • Automated contract administration
  • Offline reporting capability
  • Branded field report templates
  • Photo & video attachments
  • Time, material, and equipment tracking
  • On-demand customer support
Features
Read full description

Pegasus is a construction management and field reporting platform designed for streamlining communication between the field and office on construction projects. Streamline communication with real-time job site data available to your entire project network in real-time. Improve communication, mitigate risk, and substantiate project decision making with construction data that works for you by automating contract administration and project management tasks. Get your team up and running with Pegasus instantly! Our intuitive, easy-to-use platform was designed for construction field personnel first - users with minimal technology experience will have no problem adopting Pegasus from Day 1. Our world class customer success team offers unlimited, on-demand, and personalized training for your team at no additional cost. DAILY CONSTRUCTION REPORTING Capture more construction data in less time with our construction form templates. + Branded Field Report Templates + Over 15 Specialized Construction Report Templates + Photo & Video attachments + Detailed Audit Trail + Easily search & query field data + Weather, Personnel & Equipment time tracking, Daily Log, Material Log, Signatures OFFLINE CAPABILITY No internet? No problem. Work offline and sync with the Pegasus cloud when reconnected. + Offline construction field reporting + Never lose data + Automatically sync when connected REAL-TIME NOTIFICATIONS Measure and improve productivity. + Time Tracking (Time Cards, Time Clock, Kiosk) + Production Tracking + Material Tracking + Equipment Management + Labor Management + Certifications Reporting WHY PEGASUS? Learn why we’re the most intuitive and loved construction management app: + All-in-one app for field and office collaboration + Unlimited, on-demand onboarding & customer support + Simplified project communication + Data-driven decisions + Historical project record available for claims & disputes + Instant deployment for your team See how Pegasus can help your business improve productivity and profitability with a free trial!

Screenshots

OS14 screens
Pegasus Mobile4 screens

Verdict

The call

The clearest difference is update cadence: Pegasus Mobile at every 2 months against OS1's every 8 months. OS1's advantage is iOS requirement (13.0 vs 16.0). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OS1 ships an update every 8 months, Pegasus Mobile every 2 months. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 7 level
OS1 versus Pegasus Mobile: the parameters behind the verdict, then further details
ParameterOS1Pegasus Mobile
PriceFreeFree
Rating—5.0 (4 ratings) — better
Number of ratings—4 — better
Update frequencyEvery 8 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size62 MB144 MB
Age rating4+17+
DeveloperPegasus Building Services Company, IncMorf Corporation

In-app purchases

None

OS1

No in-app purchases

None

Pegasus Mobile

No in-app purchases

Questions

Is OS1 free?
OS1 is free to download, with no in-app purchases.
Is Pegasus Mobile free?
Pegasus Mobile is free to download, with no in-app purchases.
Do OS1 or Pegasus Mobile have ads?
Neither OS1 nor Pegasus Mobile shows ads.
Which is updated more often, OS1 or Pegasus Mobile?
OS1 ships an update every 8 months, and Pegasus Mobile every 2 months. Most recently, OS1 was updated on October 27, 2026 and Pegasus Mobile on October 7, 2026.

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