Comparison

TimeMachine Viewer vs TM2 Interface

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

Head to head
About

TimeMachine Viewer

Monitor your home's basement or crawl space conditions remotely. Track temperature, humidity, and sump pump status with historical data analysis to ensure a dry environment. Integrates with specific home monitoring hardware.

Highlights
  • Remote basement/crawl space monitoring
  • Temperature and humidity tracking
  • Historical data analysis
  • Sump pump status monitoring
  • Backup battery usage tracking
Features
Read full description

Use TimeMachine Viewer to monitor the status of your basement or crawl space by connecting to a Time Machine Data Logger already installed in your home. Keep track of the temperature and relative humidity in your home, and look through historical data to make sure that your basement or crawl space is staying dry throughout the year. If the Time Machine Data Logger is hooked up to an UltraSump 4, you'll also be able to track the status of your sump pump, including how often it turns on and how many times it has been running on backup battery power.

About

TM2 Interface

Features
Read full description

Stay Ahead of Potential Issues with Our Internet-Connected Sump Pump System Our app seamlessly integrates with your Internet-connected sump pump system, providing you with real-time updates on your pump's status, environmental temperature, and humidity levels. Keep track of your pump’s performance and environmental conditions to ensure your home stays safe and dry. Key Features: • Real-Time Monitoring: View your pump's current status, operational stats, and environmental data at any time. • Historical Data: Access detailed historical data on pump activity, temperature, and humidity to spot trends and predict potential issues. • Easy Setup: Use unique QR codes to quickly add and configure your devices to your account and Wi-Fi network. • Admin Mode: Technicians can access advanced diagnostic features via Bluetooth for direct device interrogation. • User-Friendly Interface: Our intuitive app design makes monitoring and managing your sump pump system straightforward and hassle-free. Whether you’re a homeowner wanting peace of mind or a technician performing maintenance, our app provides all the tools you need to keep your sump pump system running smoothly. Download now and stay connected to your sump pump system, no matter where you are!

Screenshots

TimeMachine Viewer3 screens
TM2 Interface4 screens

Verdict

The call

The clearest difference is update cadence: TM2 Interface at every 3 weeks against TimeMachine Viewer's every 2 months. TimeMachine Viewer's advantage is iOS requirement (10.0 vs 16.6). 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

TimeMachine Viewer ships an update every 2 months, TM2 Interface every 3 weeks. The most recent releases landed on September 8, 2026 and May 19, 2026 respectively.

Scorecard2 real differences · 8 level
TimeMachine Viewer versus TM2 Interface: the parameters behind the verdict, then further details
ParameterTimeMachine ViewerTM2 Interface
PriceFreeFree
Rating3.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better16.6
Further details — not scored
Size20 MB10 MB
Age rating4+4+
DeveloperContractor Nation CorporationChargetek Inc.

In-app purchases

None

TimeMachine Viewer

No in-app purchases

None

TM2 Interface

No in-app purchases

Questions

Is TimeMachine Viewer free?
TimeMachine Viewer is free to download, with no in-app purchases.
Is TM2 Interface free?
TM2 Interface is free to download, with no in-app purchases.
Do TimeMachine Viewer or TM2 Interface have ads?
Neither TimeMachine Viewer nor TM2 Interface shows ads.
Which is updated more often, TimeMachine Viewer or TM2 Interface?
TimeMachine Viewer ships an update every 2 months, and TM2 Interface every 3 weeks. Most recently, TimeMachine Viewer was updated on September 8, 2026 and TM2 Interface on May 19, 2026.

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