# ProData vs CIGRE Calgary 2026

The clearest difference is update cadence: CIGRE Calgary 2026 at every 3 days against ProData's every 4 months. ProData's advantage is iOS requirement (8.0 vs 15.5). 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.

ProData ships an update every 4 months, CIGRE Calgary 2026 every 3 days. The most recent releases landed on September 23, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ProData | CIGRE Calgary 2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Size | 66 MB | 42 MB |
| Requires iOS | **8.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Usagi Ebanking Innovation Ltd](https://appshunter.io/developer/1560303891) | [Groupe Léni](https://appshunter.io/developer/803306239) |

## What reviewers say

### ProData

[App page](https://appshunter.io/ios/app/prodata/id1560303889)

**In-app purchases:** none


### CIGRE Calgary 2026

[App page](https://appshunter.io/ios/app/cigre-calgary-2026/id6791191841)

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

**In-app purchases:** none


## Frequently asked questions

### Is ProData free?

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

### Is CIGRE Calgary 2026 free?

CIGRE Calgary 2026 is free to download, with no in-app purchases.

### Do ProData or CIGRE Calgary 2026 have ads?

Neither ProData nor CIGRE Calgary 2026 shows ads.

### Which is updated more often, ProData or CIGRE Calgary 2026?

ProData ships an update every 4 months, and CIGRE Calgary 2026 every 3 days. Most recently, ProData was updated on September 23, 2026 and CIGRE Calgary 2026 on October 8, 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.*