Comparison

Bluebeam vs S1 Timer

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

Head to head
About

Bluebeam

Access and collaborate on PDF documents directly from your mobile device. Communicate project updates with markups and work offline by syncing files. Seamlessly join live collaboration sessions and manage document revisions from the field.

Highlights
  • Real-time PDF collaboration
  • Markup and annotation tools
  • Offline file access
  • Document syncing
  • Studio Project management
  • Live session joining
Features
Read full description

Bluebeam for iOS keeps you connected to your teams and documents, so you can quickly access the information you need in the field and capture what matters for the office. - Communicate with markups using tools like callouts, text, clouds, and status indicators - Import your team's custom Tool Sets from Revu, so your standardized markups are ready to go in the field, even offline - Attach photos captured in the field directly to a markup, so supporting documentation stays organized without cluttering your drawings - Open your files stored on your device, Studio Projects, or Studio Sessions - Join Studio Sessions for live collaboration. If your connection drops, your changes sync when you're back online - Check out files in Studio Projects to make edits, then check them back in when you're ready - Work offline by syncing Project files ahead of time or opening PDFs stored on your device Whether you’re reviewing submittals, placing markups in the field, or tracking revisions with your team, Bluebeam gives you the flexibility to get the job done from anywhere.

About

S1 Timer

Control your compatible coffee machine remotely via Bluetooth. Schedule automatic on/off times for specific days, allowing for up to three time slots per day. Enjoy convenience and ensure your machine is ready when you are.

Highlights
  • Bluetooth connectivity
  • Schedule on/off times
  • Set multiple daily time slots
  • Compatible with specific S1 models
  • Remote machine control
Features
Read full description

This APP is dedicated to S1 LA SPAZIALE coffee machines (Rossini, Mini Vivaldi, Mini Vivaldi II, Vivaldi and Vivaldi II models) equipped with the new S1 universal control board. Thanks to the Bluetooth connection between the coffee machine and your smartphone, the APP allows you to set the switching on and off of your coffee machine. For each single day, you can set up to 3 on/off time slots.

Screenshots

Bluebeam4 screens
S1 Timer4 screens

Verdict

The call

The clearest difference is review sentiment: S1 Timer at 38% against Bluebeam's 3%. S1 Timer also leads on rating (1.8 vs 1.5) and iOS requirement (11.0 vs 18.0). Bluebeam's advantage is update cadence (monthly vs every 4 months) and ratings volume (392 vs 19). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

S1 Timer holds the better App Store score, 1.8 against 1.5. That said, the two scores are not equally well evidenced: Bluebeam has 392 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 3% of Bluebeam's written reviews are positive against 38% of S1 Timer's.

UpkeepUpdate frequency

Bluebeam ships an update monthly, S1 Timer every 4 months. The most recent releases landed on October 20, 2026 and October 4, 2026 respectively.

Scorecard5 real differences · 5 level
Bluebeam versus S1 Timer: the parameters behind the verdict, then further details
ParameterBluebeamS1 Timer
PriceFreeFree
Rating1.5 (392 ratings)1.8 (19 ratings) — better
Positive reviews2.9% of reviews38.5% of reviews — better
Number of ratings392 — better19
Update frequencyMonthly — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.011.0 — better
Further details — not scored
Size288 MB31 MB
Age rating4+4+
DeveloperBluebeam, Inc.La Spaziale S.p.A.

Customer experience

Bluebeam

All ratings392 ratings
Positive9.9%
Neutral2.0%
Negative88.0%
Written reviews240 reviews
Positive2.9%
Neutral2.9%
Negative94.2%

S1 Timer

All ratings19 ratings
Positive21.1%
Neutral0.0%
Negative78.9%
Written reviews13 reviews
Positive38.5%
Neutral0.0%
Negative61.5%

Bugs and requests

Bluebeam

Reported bugs

28 issues
  • Markups fail to load or display correctly
  • App deletes markups instead of saving them
  • Documents wipe clean when reopened
  • Files uploaded disappear from app
  • Corrupted file errors when opening PDFs
Show 23 more
  • Keyboard disappears during login
  • Selection boundaries too large, preventing precise markup selection
  • Apple Pencil input stops working intermittently
  • Pen tool produces no line output despite input
  • App crashes when opening large file sets
  • Session documents fail to load
  • Blank PDF pages displayed
  • Scaling doesn't work properly
  • Blue screen errors
  • Markups missing after checkout and checkin
  • Incomplete markups syncing between devices
  • App freezes during document checkin
  • Unable to add users to sessions
  • Projects not showing up in app
  • App crashes when opening Studio sessions
  • Drawings won't load or open
  • Markup placement doesn't correspond to tap location
  • PDF goes blank when inserting callouts
  • Constant logout requiring re-authentication
  • Links to details don't work
  • App crashes on older iOS versions
  • Audio communication issues
  • File synchronization failures

Requested features

25 requests
  • Restore measurement and scaling tools
  • Add custom toolsets and tool libraries
  • Implement bookmarks for document navigation
  • Enable image embedding in callouts
  • Add undo/redo functionality
Show 20 more
  • Support multiple PDF tabs simultaneously
  • Create stamp library with standardized markups
  • Add dimension markup capabilities
  • Allow local PDF file access and import
  • Full Studio session integration
  • Improve Apple Pencil responsiveness and precision
  • Add eraser tool for pen markups
  • Enable photo capture and attachment to markups
  • Support Dropbox and cloud storage integration
  • Add form field editing capabilities
  • Implement punch list and defect tracking
  • Add RFI creation functionality
  • Support for custom columns and data fields
  • Reset viewpoints feature
  • Pen width and cloud shape customization
  • Settings menu for preferences
  • Better pen and drawing mechanics like Notability
  • Ability to download session documents to device
  • Support for opening PDF attachments from desktop
  • Batch file upload capability

S1 Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Bluebeam

No in-app purchases

None

S1 Timer

No in-app purchases

Questions

Is Bluebeam free?
Bluebeam is free to download, with no in-app purchases.
Is S1 Timer free?
S1 Timer is free to download, with no in-app purchases.
Which has better reviews, Bluebeam or S1 Timer?
S1 Timer is rated higher. Bluebeam averages 1.5 out of 5 from 392 ratings, while S1 Timer averages 1.8 from 19 ratings.
Do Bluebeam or S1 Timer have ads?
Neither Bluebeam nor S1 Timer shows ads.
Which is updated more often, Bluebeam or S1 Timer?
Bluebeam ships an update monthly, and S1 Timer every 4 months. Most recently, Bluebeam was updated on October 20, 2026 and S1 Timer on October 4, 2026.

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