# 慧数学 vs 一日一字

The clearest difference is rating: 一日一字 at 5.0 against 慧数学's 1.0. 一日一字 also leads on in-app purchases (none vs 10) and update cadence (daily vs monthly). 慧数学's advantage is iOS requirement (9.0 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. 慧数学 sells 10 one-off in-app purchases. 一日一字 asks for nothing beyond the download.

一日一字 holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

慧数学 ships an update monthly, 一日一字 daily. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 慧数学 | 一日一字 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/id1486560323/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/journal/id6502180048/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | — | Free |
| Size | 105 MB | 561 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [北京京师讯飞教育科技有限公司](https://appshunter.io/developer/1237054109) | [书豪 何](https://appshunter.io/developer/1695877642) |

## What reviewers say

### 慧数学

[App page](https://appshunter.io/ios/app/id1486560323)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 慧数学6学币 | $0.99 | one-time |
| 慧数学1学币 | $0.99 | one-time |
| 慧数学3学币 | $0.99 | one-time |
| 慧数学12学币 | $1.99 | one-time |
| 慧数学18学币 | $2.99 | one-time |
| 慧数学25学币 | $3.99 | one-time |
| 慧数学30学币 | $3.99 | one-time |
| 慧数学40学币 | $5.99 | one-time |
| 慧数学88学币 | $12.99 | one-time |
| 慧数学视频包 | $14.99 | one-time |


### 一日一字

[App page](https://appshunter.io/ios/app/journal/id6502180048)

This minimalist journal app focuses on learning a single character each day, inspired by annual character selections. It supports various East Asian typefaces and offers features for Chinese, Japanese, and Korean learners, including Pinyin fonts and calendar views for easy sharing.

**Highlights:** Daily character learning, Minimalist writing interface, Multiple East Asian typefaces, Pinyin fonts for pronunciation, Calendar view for records, Screenshot saving for sharing, Home screen widgets

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 慧数学 free?

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

### Is 一日一字 free?

一日一字 is free to download, with no in-app purchases.

### Which has better reviews, 慧数学 or 一日一字?

一日一字 is rated higher. 慧数学 averages 1.0 out of 5 from 1 ratings, while 一日一字 averages 5.0 from 1 ratings.

### Do 慧数学 or 一日一字 have ads?

Neither 慧数学 nor 一日一字 shows ads.

### Which is updated more often, 慧数学 or 一日一字?

慧数学 ships an update monthly, and 一日一字 daily. Most recently, 慧数学 was updated on November 3, 2026 and 一日一字 on November 4, 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.*