# Terricon vs D

The clearest difference is update cadence: Terricon at every 6 weeks against D's every 11 months. Terricon also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

Terricon ships an update every 6 weeks, D every 11 months. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Terricon | D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 6 weeks** | Every 11 months |
| Size | 63 MB | 71 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Terricon Valley](https://appshunter.io/developer/1669015802) | [Devart.kz](https://appshunter.io/developer/1652833039) |

## What reviewers say

### Terricon

[App page](https://appshunter.io/ios/app/terricon/id1669015800)

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

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-one/id6447796138)

**In-app purchases:** none


## Frequently asked questions

### Is Terricon free?

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

### Is D free?

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

### Which is updated more often, Terricon or D?

Terricon ships an update every 6 weeks, and D every 11 months. Most recently, Terricon was updated on October 9, 2026 and D on October 13, 2026.

---

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