# C3 Data vs Tango Reserve Room Panel

The clearest difference is update cadence: C3 Data at every 5 weeks against Tango Reserve Room Panel's every 5 months. C3 Data also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

C3 Data ships an update every 5 weeks, Tango Reserve Room Panel every 5 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | C3 Data | Tango Reserve Room Panel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (8 ratings)](https://appshunter.io/ios/app/c3-data/id1145515518/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 40 MB | 28 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [C3 Data](https://appshunter.io/developer/1145515517) | [Tango Analytics LLC](https://appshunter.io/developer/528056593) |

## What reviewers say

### C3 Data

[App page](https://appshunter.io/ios/app/c3-data/id1145515518)

This application helps pyrometry laboratories and heat treat plants track compliance with industry standards. It provides instant visual feedback on test results against specified criteria, supporting various data collection needs for furnaces.

**Highlights:** Nadcap and CQI-9 compliance tracking, Calibration, SAT, and TUS data collection, Instant pass/fail visual indicators, Test and instrument management, On- and offline operation, Zebra Bluetooth printer support

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

**In-app purchases:** none


### Tango Reserve Room Panel

[App page](https://appshunter.io/ios/app/tango-reserve-room-panel/id1416718344)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is C3 Data free?

C3 Data is free to download, with no in-app purchases.

### Is Tango Reserve Room Panel free?

Tango Reserve Room Panel is free to download, with no in-app purchases.

### Do C3 Data or Tango Reserve Room Panel have ads?

Neither C3 Data nor Tango Reserve Room Panel shows ads.

### Which is updated more often, C3 Data or Tango Reserve Room Panel?

C3 Data ships an update every 5 weeks, and Tango Reserve Room Panel every 5 months. Most recently, C3 Data was updated on October 24, 2026 and Tango Reserve Room Panel on October 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.*