# TerraIndex vs Chemrade DP

The clearest difference is update cadence: TerraIndex at every 8 days against Chemrade DP's every 2 months. Chemrade DP's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 13.0). On price, ads and in-app purchases there is nothing between them.

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

TerraIndex ships an update every 8 days, Chemrade DP every 2 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | TerraIndex | Chemrade DP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 months |
| Size | 58 MB | 44 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TerraIndex B.V.](https://appshunter.io/developer/981551686) | [Chemrade Software BV](https://appshunter.io/developer/1543885669) |

## What reviewers say

### TerraIndex

[App page](https://appshunter.io/ios/app/terraindex/id999729209)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chemrade DP

[App page](https://appshunter.io/ios/app/chemrade-dp/id1599120896)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TerraIndex free?

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

### Is Chemrade DP free?

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

### Do TerraIndex or Chemrade DP have ads?

Neither TerraIndex nor Chemrade DP shows ads.

### Which is updated more often, TerraIndex or Chemrade DP?

TerraIndex ships an update every 8 days, and Chemrade DP every 2 months. Most recently, TerraIndex was updated on November 6, 2026 and Chemrade DP on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*