# Classifindex vs Fall Heights Calculator

The clearest difference is update cadence: Fall Heights Calculator at every 3 weeks against Classifindex's every 19 months. Fall Heights Calculator also leads on iOS requirement (11.0 vs 15.0). 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.

Classifindex ships an update every 19 months, Fall Heights Calculator every 3 weeks. The most recent releases landed on September 17, 2026 and May 14, 2026 respectively.

## The numbers

| Metric | Classifindex | Fall Heights Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Size | 68 MB | 19 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CNRS Prévention du risque chimique](https://appshunter.io/developer/892400333) | [Span Set GmbH & Co. KG](https://appshunter.io/developer/569512606) |

## What reviewers say

### Classifindex

[App page](https://appshunter.io/ios/app/classifindex/id892400330)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fall Heights Calculator

[App page](https://appshunter.io/ios/app/fall-heights-calculator/id1491345340)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Classifindex free?

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

### Is Fall Heights Calculator free?

Fall Heights Calculator is free to download, with no in-app purchases.

### Do Classifindex or Fall Heights Calculator have ads?

Neither Classifindex nor Fall Heights Calculator shows ads.

### Which is updated more often, Classifindex or Fall Heights Calculator?

Classifindex ships an update every 19 months, and Fall Heights Calculator every 3 weeks. Most recently, Classifindex was updated on September 17, 2026 and Fall Heights Calculator on May 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.*