# EnvLogger Viewer vs Rapagra

The clearest difference is update cadence: EnvLogger Viewer at every 2 months against Rapagra's every 6 months. 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.

EnvLogger Viewer ships an update every 2 months, Rapagra every 6 months. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | EnvLogger Viewer | Rapagra |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | — |
| Size | 2 MB | 45 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Electricblue, CRL](https://appshunter.io/developer/1490568569) | [RapAgra](https://appshunter.io/developer/1752859250) |

## What reviewers say

### 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


### Rapagra

[App page](https://appshunter.io/ios/app/rapagra/id6504560528)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EnvLogger Viewer free?

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

### Is Rapagra free?

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

### Do EnvLogger Viewer or Rapagra have ads?

Neither EnvLogger Viewer nor Rapagra shows ads.

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

EnvLogger Viewer ships an update every 2 months, and Rapagra every 6 months. Most recently, EnvLogger Viewer was updated on June 1, 2026 and Rapagra on September 10, 2026.

---

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