# TimeMachine Viewer vs TM2 Interface

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

## The numbers

| Metric | TimeMachine Viewer | TM2 Interface |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/timemachine-viewer/id1481218877/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 20 MB | 10 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Contractor Nation Corporation](https://appshunter.io/developer/1126353201) | [Chargetek Inc.](https://appshunter.io/developer/1749716980) |

## What reviewers say

### TimeMachine Viewer

[App page](https://appshunter.io/ios/app/timemachine-viewer/id1481218877)

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:** macOS Compatibility

**In-app purchases:** none


### TM2 Interface

[App page](https://appshunter.io/ios/app/tm2-interface/id6503637948)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*