I vs TAS Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
I
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The I-Watcher™ is a compact, versatile cellular alarm unit that was designed for the motorcycle and vehicle market. I-Watcher™ offers online monitoring capabilities. It uses both cellular and satellite networks for real time data transmission from\to the Vehicle or Motorcycle. It enables on-line bi-directional communication with App. I-Watcher™ has several inputs that are connected to vehicle devices (i.e. vehicle battery, ignition switch, alarm system etc.) that trigger I-Watcher™ to generate event massages. Those messages could be sent via App. In addition, outgoing call is supported by I-Watcher™ in case of theft event. This feature provides another capability of informing clients about theft event occurrences. The following inputs are used to generate real time information by the unit: •Alarm/Pager •Ignition switch (ON/OFF status indication) •Vehicle battery (low power warning) •Vehicle doors (left unlocked while ignition is off) •Vehicle lights (left ON while ignition is off)
TAS Viewer
This application provides tools for the secondary analysis of infrared imaging data. It allows users to examine and interpret thermal images for various purposes.
- Infrared imaging secondary analysis
- Thermal image interpretation
- Data examination tools
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TAS Viewer is an app for infrared imaging secondary analysis.
Screenshots
Verdict
The clearest difference is update cadence: TAS Viewer at every 2 months against I's every 4 months. I's advantage is iOS requirement (8.0 vs 14.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
I ships an update every 4 months, TAS Viewer every 2 months. The most recent releases landed on October 6, 2026 and September 15, 2026 respectively.
| Parameter | I | TAS Viewer |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 11 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Spetrotec LTD | 红杰 李 |
In-app purchases
I
No in-app purchases
TAS Viewer
No in-app purchases
