Comparison

Si vs TSheets

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

Head to head
About

Si

Remotely control and interact with specific combustion gas analyzers via Bluetooth. View real-time data, save measurements, and generate reports in various formats directly from your mobile device.

Highlights
  • Bluetooth connectivity
  • Real-time data viewing
  • Save measurements
  • Generate reports (CSV, PDF, XML)
  • Email reports
  • Remote control
Read full description

Si-CA MobileApp allows you to interact with the Si-CA-120, Si-CA-220 and Si-CA-320 Sauermann combustion gas analyzers through the Bluetooth® communication protocol. Pair your analyzer with a smartphone/tablet in order to remotely: - View real-time combustion data - Save measurements on the analyzer and your smartphone/tablet (simultaneously) - Generate reports (csv, pdf or xml format) and send by e-mail from your smartphone/tablet - View and send combustion reports previously saved on your smartphone/tablet

About

TSheets

Features
Read full description

TSheets makes it easy to record your work shifts, keep your hours organised, and generate timesheets you can share. Whether you’re tracking shifts across different jobs or just need a clean record of your hours, TSheets helps you stay on top of your time with a simple workflow: What you can do • Create Jobs to organise your work (use initials or codes instead of client names) • Add Shifts with date, start/end time, and optional notes • View your Shifts list and search quickly • Create Timesheets by selecting a period and grouping shifts • Export a PDF timesheet for sharing or record keeping Privacy note TSheets is designed to avoid sensitive information. When naming shifts, use initials or a code (e.g., “JS” or “Client 04”) rather than full client names.

Screenshots

Si4 screens
TSheets4 screens

Verdict

The call

The clearest difference is update cadence: TSheets at weekly against Si's monthly. Si's advantage is iOS requirement (12 vs 15.6). 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

Si ships an update monthly, TSheets weekly. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 7 level
Si versus TSheets: the parameters behind the verdict, then further details
ParameterSiTSheets
PriceFreeFree
Rating3.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12 — better15.6
Further details — not scored
Size94 MB34 MB
Age rating4+4+
DeveloperSAUERMANN INDUSTRIEclaus Mugabe

In-app purchases

None

Si

No in-app purchases

None

TSheets

No in-app purchases

Questions

Is Si free?
Si is free to download, with no in-app purchases.
Is TSheets free?
TSheets is free to download, with no in-app purchases.
Do Si or TSheets have ads?
Neither Si nor TSheets shows ads.
Which is updated more often, Si or TSheets?
Si ships an update monthly, and TSheets weekly. Most recently, Si was updated on October 6, 2026 and TSheets on October 1, 2026.

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