# Contrigraph vs Daily Coding

The clearest difference is in-app purchases: Daily Coding at none against Contrigraph's 1. Contrigraph's advantage is ads (none vs shown) and update cadence (every 6 days vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Contrigraph sells 1 one-off in-app purchase. Daily Coding asks for nothing beyond the download.

Contrigraph ships an update every 6 days, Daily Coding every 6 weeks. The most recent releases landed on September 19, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Contrigraph | Daily Coding |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Size | 10 MB | 4 MB |
| Requires iOS | 17.5 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hajime Nakamura](https://appshunter.io/developer/1011217140) | [Hyunwoo Lee](https://appshunter.io/developer/1883358620) |

## What reviewers say

### Contrigraph

[App page](https://appshunter.io/ios/app/contrigraph-habit-tracker/id6612007595)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Daily Coding

[App page](https://appshunter.io/ios/app/daily-coding/id6762553257)

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

**In-app purchases:** none


## Frequently asked questions

### Is Contrigraph free?

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

### Is Daily Coding free?

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

### Do Contrigraph or Daily Coding have ads?

Daily Coding shows ads; Contrigraph does not.

### Which is updated more often, Contrigraph or Daily Coding?

Contrigraph ships an update every 6 days, and Daily Coding every 6 weeks. Most recently, Contrigraph was updated on September 19, 2026 and Daily Coding on September 18, 2026.

---

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