# 数学口算练习 vs Sweet Diary

The clearest difference is ads: 数学口算练习 at none against Sweet Diary's shown. 数学口算练习 also leads on review sentiment (97% vs 86%) and iOS requirement (10.0 vs 13.0). Sweet Diary's advantage is update cadence (every 6 weeks vs every 7 months). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. 数学口算练习 sells 1 one-off in-app purchase and Sweet Diary sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

数学口算练习 holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 91 and 161 respectively. Written reviews point the same way: 97% of 数学口算练习's written reviews are positive against 86% of Sweet Diary's.

数学口算练习 ships an update every 7 months, Sweet Diary every 6 weeks. The most recent releases landed on September 29, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | 数学口算练习 | Sweet Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (91 ratings)](https://appshunter.io/ios/app/68/id1570086471/reviews)** | [4.4 (161 ratings)](https://appshunter.io/ios/app/sweet-diary-journal-app/id1641857047/reviews) |
| Number of ratings | 91 | **161** |
| Positive reviews | **97.4% of reviews** | 85.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 31 MB | 64 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [森 袁](https://appshunter.io/developer/1345888871) | [敏华 黎](https://appshunter.io/developer/1620356742) |

## What reviewers say

### 数学口算练习

[App page](https://appshunter.io/ios/app/68/id1570086471)

This app provides engaging oral math practice for children aged 6-8, focusing on addition, subtraction, multiplication, and division. Parents can adjust difficulty levels to suit their child's learning progress, with an emphasis on building quick calculation and mental math skills through interactive gameplay and appealing visuals.

**Highlights:** Oral calculation practice, Addition, subtraction, multiplication, division, Adjustable difficulty levels, Engaging game-based learning, Exquisite graphics and animations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 获取完全版本 | $1.99 | one-time |


### Sweet Diary

[App page](https://appshunter.io/ios/app/sweet-diary-journal-app/id1641857047)

This app allows users to create a digital journal to record daily life and precious memories. It offers a fresh and lovely interface for easy diary writing, with features for mood tracking, adding pictures and expressions, and decorating entries with stickers and aesthetic effects.

**Highlights:** Electronic diary creation, Mood tracking with pictures and expressions, Rich sticker library for decoration, Aesthetic movement effects, Free typesetting diary sticker materials

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Version | $2.99 | per month |
| VIP Version | $5.99 | per 3 months |
| VIP Version | $6.99 | one-time |


## Frequently asked questions

### Is 数学口算练习 free?

数学口算练习 is free to download, with in-app purchases available.

### Is Sweet Diary free?

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

### Which has better reviews, 数学口算练习 or Sweet Diary?

数学口算练习 is rated higher. 数学口算练习 averages 4.6 out of 5 from 91 ratings, while Sweet Diary averages 4.4 from 161 ratings.

### Do 数学口算练习 or Sweet Diary have ads?

Sweet Diary shows ads; 数学口算练习 does not.

### Which is updated more often, 数学口算练习 or Sweet Diary?

数学口算练习 ships an update every 7 months, and Sweet Diary every 6 weeks. Most recently, 数学口算练习 was updated on September 29, 2026 and Sweet Diary on September 27, 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.*