# Fido Calcul vs Proon. PMS

The clearest difference is in-app purchases: Proon. PMS at none against Fido Calcul's 8. Proon. PMS also leads on ads (none vs shown) and update cadence (every 2 weeks vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Fido Calcul sells 8 in-app purchases, starting at $4.99 per month. Proon. PMS asks for nothing beyond the download.

Fido Calcul ships an update monthly, Proon. PMS every 2 weeks. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Fido Calcul | Proon. PMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 30 MB | 64 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Fido s.r.o.](https://appshunter.io/developer/1707016081) | [MR. Digital Studio s. r. o.](https://appshunter.io/developer/6793054209) |

## What reviewers say

### Fido Calcul

[App page](https://appshunter.io/ios/app/fido-calcul/id6466178356)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | per month |
| Services and Others | $6.99 | per month |
| Construciton | $12.99 | per month |
| Attendance | $22.99 | per month |
| Pro | $49.99 | per year |
| Services and Others | $69.99 | per year |
| Construciton | $129.99 | per year |
| Attendance | $229.99 | per year |


### Proon. PMS

[App page](https://appshunter.io/ios/app/proon-pms/id6793054207)

**In-app purchases:** none


## Frequently asked questions

### Is Fido Calcul free?

Fido Calcul is free to download, with in-app purchases available.

### Is Proon. PMS free?

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

### Do Fido Calcul or Proon. PMS have ads?

Fido Calcul shows ads; Proon. PMS does not.

### Which is updated more often, Fido Calcul or Proon. PMS?

Fido Calcul ships an update monthly, and Proon. PMS every 2 weeks. Most recently, Fido Calcul was updated on October 5, 2026 and Proon. PMS on October 14, 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.*