# Hachi vs 経穴暗記１

The clearest difference is in-app purchases: 経穴暗記１ at none against Hachi's 1. 経穴暗記１ also leads on update cadence (weekly vs every 3 months) and iOS requirement (12.0 vs 16.4). Hachi's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Hachi sells 1 one-off in-app purchase. 経穴暗記１ asks for nothing beyond the download.

Hachi ships an update every 3 months, 経穴暗記１ weekly. The most recent releases landed on August 19, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Hachi | 経穴暗記１ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 70 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kotobaz](https://appshunter.io/developer/1634727152) | [Ryusuke Sudo](https://appshunter.io/developer/1562796940) |

## What reviewers say

### Hachi

[App page](https://appshunter.io/ios/app/hachi-exam-countdown-timer/id6472025719)

This application helps students track upcoming exams with a simple countdown timer. It offers calendar integration, notifications, and a lock screen widget for easy access to exam dates. An in-app purchase unlocks the full widget functionality.

**Highlights:** Exam countdown timer, Calendar integration, Customizable notifications, Lock screen widget, In-app purchase for full widget functionality

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Widget Function | $0.99 | one-time |


### 経穴暗記１

[App page](https://appshunter.io/ios/app/id6478476834)

**In-app purchases:** none


## Frequently asked questions

### Is Hachi free?

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

### Is 経穴暗記１ free?

経穴暗記１ is free to download, with no in-app purchases.

### Do Hachi or 経穴暗記１ have ads?

経穴暗記１ shows ads; Hachi does not.

### Which is updated more often, Hachi or 経穴暗記１?

Hachi ships an update every 3 months, and 経穴暗記１ weekly. Most recently, Hachi was updated on August 19, 2026 and 経穴暗記１ on September 24, 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.*