# One word One day vs 教城教師

The clearest difference is iOS requirement: One word One day at 12.0 against 教城教師's 15.1. On price, update cadence, 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.

One word One day ships an update monthly, 教城教師 every 3 weeks. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | One word One day | 教城教師 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 420 MB | 37 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YIU LEUNG RANDY CHAN](https://appshunter.io/developer/1474191447) | [Hong Kong Education City Limited](https://appshunter.io/developer/672104764) |

## What reviewers say

### One word One day

[App page](https://appshunter.io/ios/app/one-word-one-day/id1527974870)

**Features:** macOS Compatibility

**In-app purchases:** none


### 教城教師

[App page](https://appshunter.io/ios/app/id1664047385)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is One word One day free?

One word One day is free to download, with no in-app purchases.

### Is 教城教師 free?

教城教師 is free to download, with no in-app purchases.

### Do One word One day or 教城教師 have ads?

Neither One word One day nor 教城教師 shows ads.

### Which is updated more often, One word One day or 教城教師?

One word One day ships an update monthly, and 教城教師 every 3 weeks. Most recently, One word One day was updated on October 25, 2026 and 教城教師 on November 3, 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.*