# Contrigraph vs Buddhist Repentance

The clearest difference is in-app purchases: Buddhist Repentance at none against Contrigraph's 1. Buddhist Repentance also leads on iOS requirement (12.0 vs 17.5). Contrigraph's advantage is update cadence (every 6 weeks vs every 4 months). On price, ads and device support there is nothing between them.

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

Contrigraph ships an update every 6 weeks, Buddhist Repentance every 4 months. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Contrigraph | Buddhist Repentance |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 46 MB |
| Requires iOS | 17.5 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hajime Nakamura](https://appshunter.io/developer/1011217140) | [JUHWAN LEE](https://appshunter.io/developer/1703441721) |

## What reviewers say

### Contrigraph

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

Focus on a single habit with a visual year-long tracker. Log your daily progress with five effort levels and receive timely, non-intrusive reminders. Available in English and Japanese with dark mode support.

**Highlights:** Track a single habit, Year-long visual progress strip, Monthly calendar view, Five effort levels for logging, Dedicated button for today's entry, Smart, context-aware notifications

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

**In-app purchases (1)**

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


### Buddhist Repentance

[App page](https://appshunter.io/ios/app/buddhist-repentance/id6642658431)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Contrigraph free?

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

### Is Buddhist Repentance free?

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

### Do Contrigraph or Buddhist Repentance have ads?

Neither Contrigraph nor Buddhist Repentance shows ads.

### Which is updated more often, Contrigraph or Buddhist Repentance?

Contrigraph ships an update every 6 weeks, and Buddhist Repentance every 4 months. Most recently, Contrigraph was updated on October 25, 2026 and Buddhist Repentance on October 20, 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.*