# 小学数学培优学习通 vs DK汽车知识库

The clearest difference is update cadence: 小学数学培优学习通 at every 2 weeks against DK汽车知识库's every 3 months. 小学数学培优学习通 also leads on iOS requirement (10.3 vs 17.0). DK汽车知识库's advantage is price ($0.99 vs $3.99). On ads, in-app purchases and device support there is nothing between them.

小学数学培优学习通 costs $3.99 and DK汽车知识库 $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

小学数学培优学习通 ships an update every 2 weeks, DK汽车知识库 every 3 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 小学数学培优学习通 | DK汽车知识库 |
| --- | --- | --- |
| Price | $3.99 | **$0.99** |
| Positive reviews | 47.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Paid | — |
| Size | 203 MB | 7 MB |
| Requires iOS | **10.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [正洪 王](https://appshunter.io/developer/1041876354) | [龙 王](https://appshunter.io/developer/1889120838) |

## What reviewers say

### 小学数学培优学习通

[App page](https://appshunter.io/ios/app/letgo-12123/id1289066053)

This app offers comprehensive elementary school math enrichment, including Olympiad-style problems, detailed explanations with animated examples, and practice tests. It features a digital notebook for collecting and reviewing incorrect answers, covering grades 1-6.

**Highlights:** Olympiad math problem explanations, Animated and voiced examples, Self-testing question bank, Digital error notebook, Covers grades 1-6 math, Real competition practice problems

**Features:** Vision Pro support

**In-app purchases:** none


### DK汽车知识库

[App page](https://appshunter.io/ios/app/dk/id6770294691)

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

**In-app purchases:** none


## Frequently asked questions

### Is 小学数学培优学习通 free?

小学数学培优学习通 costs $3.99, with no in-app purchases.

### Is DK汽车知识库 free?

DK汽车知识库 costs $0.99, with no in-app purchases.

### Do 小学数学培优学习通 or DK汽车知识库 have ads?

Neither 小学数学培优学习通 nor DK汽车知识库 shows ads.

### Which is updated more often, 小学数学培优学习通 or DK汽车知识库?

小学数学培优学习通 ships an update every 2 weeks, and DK汽车知识库 every 3 months. Most recently, 小学数学培优学习通 was updated on October 9, 2026 and DK汽车知识库 on October 8, 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.*