# SchoolTrackerApp vs EnvLogger Viewer

The clearest difference is iOS requirement: EnvLogger Viewer at 14.0 against SchoolTrackerApp's 16.2. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SchoolTrackerApp ships an update every 3 months, EnvLogger Viewer every 2 months. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | SchoolTrackerApp | EnvLogger Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 59 MB | 2 MB |
| Requires iOS | 16.2 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ElitAd Internet Limited](https://appshunter.io/developer/876372370) | [Electricblue, CRL](https://appshunter.io/developer/1490568569) |

## What reviewers say

### SchoolTrackerApp

[App page](https://appshunter.io/ios/app/schooltrackerapp/id1420024924)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### EnvLogger Viewer

[App page](https://appshunter.io/ios/app/envlogger-viewer/id1490568570)

Communicate with contactless temperature loggers using NFC. Configure missions, plot data, and save it as CSV files for easy import into analysis software. Share your data instantaneously.

**Highlights:** NFC communication with EnvLoggers, Configure missions, Plot mission data, Save data as CSV, Instantaneous data sharing, Human-readable CSV format

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SchoolTrackerApp free?

SchoolTrackerApp is free to download, with no in-app purchases.

### Is EnvLogger Viewer free?

EnvLogger Viewer is free to download, with no in-app purchases.

### Do SchoolTrackerApp or EnvLogger Viewer have ads?

Neither SchoolTrackerApp nor EnvLogger Viewer shows ads.

### Which is updated more often, SchoolTrackerApp or EnvLogger Viewer?

SchoolTrackerApp ships an update every 3 months, and EnvLogger Viewer every 2 months. Most recently, SchoolTrackerApp was updated on September 10, 2026 and EnvLogger Viewer on June 1, 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.*