# CelPal vs IDF

The clearest difference is update cadence: IDF at every 6 weeks against CelPal's every 5 months. IDF also leads on iOS requirement (13.4 vs 15.1). 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.

CelPal ships an update every 5 months, IDF every 6 weeks. The most recent releases landed on July 5, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | CelPal | IDF |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 48 MB | 8 MB |
| Requires iOS | 15.1 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mateusz Gawlinski](https://appshunter.io/developer/1562006195) | [International Diving Federation sp. z o.o.](https://appshunter.io/developer/1788336335) |

## What reviewers say

### CelPal

[App page](https://appshunter.io/ios/app/celpal/id1562006193)

This app allows users to quickly log their attendance in an electronic guest book at shooting ranges. It simplifies the check-in process for range visitors.

**Highlights:** Electronic guest book, Quick attendance logging, Shooting range check-in, Simplified visitor process

**Features:** macOS Compatibility

**In-app purchases:** none


### IDF

[App page](https://appshunter.io/ios/app/idf/id6740090312)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CelPal free?

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

### Is IDF free?

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

### Do CelPal or IDF have ads?

Neither CelPal nor IDF shows ads.

### Which is updated more often, CelPal or IDF?

CelPal ships an update every 5 months, and IDF every 6 weeks. Most recently, CelPal was updated on July 5, 2026 and IDF on September 15, 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.*