# 現代小數 AR 2 vs 自我挑戰獎勵計劃

現代小數 AR 2 and 自我挑戰獎勵計劃 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 現代小數 AR 2 | 自我挑戰獎勵計劃 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 541 MB | 105 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [Big Dipper Studio](https://appshunter.io/developer/962643670) |

## What reviewers say

### 現代小數 AR 2

[App page](https://appshunter.io/ios/app/ar-2/id1537758169)

**In-app purchases:** none


### 自我挑戰獎勵計劃

[App page](https://appshunter.io/ios/app/id1546065745)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 現代小數 AR 2 free?

現代小數 AR 2 is free to download, with no in-app purchases.

### Is 自我挑戰獎勵計劃 free?

自我挑戰獎勵計劃 is free to download, with no in-app purchases.

### Do 現代小數 AR 2 or 自我挑戰獎勵計劃 have ads?

Neither 現代小數 AR 2 nor 自我挑戰獎勵計劃 shows ads.

### Which is updated more often, 現代小數 AR 2 or 自我挑戰獎勵計劃?

現代小數 AR 2 ships an update every 2 months, and 自我挑戰獎勵計劃 every 2 months. Most recently, 現代小數 AR 2 was updated on October 7, 2026 and 自我挑戰獎勵計劃 on October 14, 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.*