Comparison

TMU Calculator vs gmCalSync

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

Head to head
About

TMU Calculator

This application streamlines the preparation and transfer of MTM analyses directly on-site. It offers transparency through clear steps and stored definitions, making it ideal for training and improving production processes. The tool helps identify waste, reduce costs, and increase productivity.

Highlights
  • On-site MTM analysis preparation
  • Direct data transfer to systems
  • Transparent selection steps and definitions
  • Supports MTM and other pre-determined time systems
  • Cost-effective MTM implementation
  • Facilitates employee training
Features
Read full description

The MTM-App TMU Calculator® allows you to prepare your MTM-analyses directly on site and transfer them to your system at the touch of a button to keep the costs for MTM implementation low and profitable and is a valuable tool for training employees in the use of pre-determined time systems. The device provides a high degree of transparency through its comprehensible selection steps, stored definitions, message notifications and sets of rules. These can be viewed at any time, even during mobile device application. The TMU CALCULATOR® finds application in individual-, series- and mass production whose areas are already valuated and should be continuously improved, or should be valuated from scratch with standardized time modules from pre-determined time systems such as Methods-Time Measurement (MTM). The basic idea in developing an MTM application as a tablet solution was to develop a software package that’s functional and intuitive to use, and that makes the process for preparing MTM calculations more cost-effective and more comprehensible for third parties . This is why we also placed special importance on making the solution transparent to and understandable by production employees, so as to achieve higher acceptance for MTM. “Increase your productivity by using the right equipment.” The device processes pre-determined time systems (e.g. MTM) and thus provides the user with reproducible methods that include a clear method-time relationship. It is especially well-suited for pointing out wastefulness over the entire value-added chain, lowering unnecessary costs and increasing the competitive ability. As its productivity is greater than that of conventional analytical methods, the TMU CALCULATOR® is an optimal instrument in supporting continuous improvement processes. The factors that drove development of the TMU CALCULATOR® were solutions that were “tried and tested” and complete. Again, these included current methods for preparing MTM analyses and process modules with different types of level II data and their compression previously: documenting processes on paper, typing this into the recording system, verifying with timer modules.) The idea in development was therefore not to question MTM as a pre-determined time system, but rather entirely the opposite—to optimize the use of the up to now successful, and rightly so, MTM process for calculating industrial production processes. We did this by shortening the path from process monitoring on site, through documentation of individual process steps on paper, up to their representation on the PC for CIP purposes. In this way, process paths, unnecessary waiting times and quality defects could be reduced to a virtually insignificant magnitude. This in turn would lead to a high productivity increase in preparing MTM analyses.

About

gmCalSync

Features
Read full description

Every GroupMe calendar. Your calendar. Always up to date. Your group posts a practice change, a game time, a meeting — and it disappears into the chat. gmCalSync turns the calendar events in your GroupMe groups into private calendar subscriptions that keep themselves current in Apple Calendar, Google Calendar, or Outlook. Connect GroupMe once. Stop retyping events forever. HOW IT WORKS 1. Sign in with Apple, Google, or email. 2. Connect your GroupMe account through GroupMe's own secure sign-in. We never see your password. 3. Pick your groups. Each one becomes its own private calendar feed. 4. Subscribe in Apple Calendar with one tap, or paste the link into Google Calendar or Outlook. That's it. From then on, new events posted in GroupMe show up in your calendar on its own, and edits follow along on the next refresh. EVERY GROUP, ONE SUBSCRIPTION • Each GroupMe group gets its own calendar, so you can subscribe to some and skip others • Subgroups are supported and stay grouped under their parent • No per-calendar fees — one plan covers every group on your account • Add a group later and it works the same way ONE CALENDAR, OR ONE PER GROUP • Merge up to 25 groups into a single calendar subscription • Every event carries a label for the group it came from — the group's name, or a short label you pick • New groups you join can fold themselves into it automatically • The merged calendar doesn't replace the per-group ones: keep subscribing to those too WORKS WITH THE CALENDAR YOU ALREADY USE • Apple Calendar on iPhone, iPad, and Mac — one tap to subscribe • Google Calendar — add by URL, then it syncs to every device signed into your account • Outlook on the web — subscribe from web • Anything else that accepts a calendar URL, including many family and wall calendars READ-ONLY, ON PURPOSE • We read your GroupMe groups and their calendar events. That's all. • We never post to GroupMe, never message anyone, and never edit your calendar • Your calendar links are private to you, and you can rotate or remove them any time • Disconnect GroupMe or delete your account from inside the app whenever you want BUILT FOR THE PERSON WHO RUNS THE GROUP Organizing a team, a troop, a class, or a carpool? Group plans let one subscription cover your whole group: share a join code or QR, approve members, and everyone gets their own calendar link. Manage members, admins, and approvals right in the app. (Group plans are purchased and upgraded on our website — the app shows and manages the plans you already have.) CANCELLED EVENTS, HANDLED Google Calendar likes to keep cancelled events on the grid. gmCalSync can prefix those titles with CANCELLED so nobody shows up to a game that isn't happening — or hide them entirely. Your choice, in Settings. SUBSCRIPTION gmCalSync is a subscription, available monthly, every six months, or yearly. The six-month and yearly plans include a 3-day free trial. One subscription covers every GroupMe group on your account. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel any time in your App Store account settings. Already subscribed on gmcalsync.com? Just sign in — your plan comes with you. A NOTE ON REFRESH TIMING Subscribed calendars are refreshed by your calendar app, not by us, and iOS in particular can lag by hours. You can shorten it in Settings → Apps → Calendar → Accounts → Subscribed Calendars → Fetch New Data. We explain this in the app when you add a calendar, because it is the single most common surprise. Terms of Service: https://gmcalsync.com/terms Privacy Policy: https://gmcalsync.com/privacy Stop scrolling back through the chat to find out when practice is.

Screenshots

gmCalSync4 screens

Verdict

The call

The clearest difference is in-app purchases: TMU Calculator at none against gmCalSync's 3. TMU Calculator also leads on iOS requirement (9.3 vs 17.0). gmCalSync's advantage is update cadence (every 4 days vs every 6 months). On price, ads 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. gmCalSync sells 3 in-app purchases, starting at $4.49 per month. TMU Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

TMU Calculator ships an update every 6 months, gmCalSync every 4 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 5 level
TMU Calculator versus gmCalSync: the parameters behind the verdict, then further details
ParameterTMU CalculatorgmCalSync
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 6 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPadiPhone, iPad — better
Requires iOS9.3 — better17.0
Further details — not scored
Size58 MB18 MB
Age rating4+4+
DeveloperCut Corners GmbHStatus Recap, LLC

In-app purchases

None

TMU Calculator

No in-app purchases

3 purchases

gmCalSync

Subscriptions3
  • Monthly$4.491 Month
  • 6 Months3 Days trial$19.996 Months
  • Annual3 Days trial$26.991 Year

Questions

Is TMU Calculator free?
TMU Calculator is free to download, with no in-app purchases.
Is gmCalSync free?
gmCalSync is free to download, with in-app purchases available.
Do TMU Calculator or gmCalSync have ads?
Neither TMU Calculator nor gmCalSync shows ads.
Which is updated more often, TMU Calculator or gmCalSync?
TMU Calculator ships an update every 6 months, and gmCalSync every 4 days. Most recently, TMU Calculator was updated on October 24, 2026 and gmCalSync on October 16, 2026.

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