# 三双 vs Arize

The clearest difference is in-app purchases: Arize at none against 三双's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 三双 sells 3 in-app purchases, starting at $3.99 per month. Arize asks for nothing beyond the download.

## The numbers

| Metric | 三双 | Arize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/arize-show-up/id6759380656/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 72.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | — | Free |
| Size | 34 MB | 61 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Xi'an Mengdong Network Technology Co., Ltd.](https://appshunter.io/developer/1687598458) | [Yifan Huang](https://appshunter.io/developer/1878356996) |

## What reviewers say

### 三双

[App page](https://appshunter.io/ios/app/id6740458396)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月会员 | $3.99 | per month |
| 连续包年会员 | $24.99 | per year |
| 永久会员 | $9.99 | one-time |


### Arize

[App page](https://appshunter.io/ios/app/arize-show-up/id6759380656)

This app encourages daily productivity by requiring users to submit a photo within a specific morning window. It features a scoring system, team challenges, and potential cash rewards for top performers. It's designed for disciplined individuals seeking accountability.

**Highlights:** Daily photo check-in between 6-9 AM, Build an Arize Score with multipliers, Team up for double scores, Monthly cash rewards for top scorers, Social feed to see others' progress

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

**In-app purchases:** none


## Frequently asked questions

### Is 三双 free?

三双 is free to download, with in-app purchases available.

### Is Arize free?

Arize is free to download, with no in-app purchases.

### Do 三双 or Arize have ads?

Neither 三双 nor Arize shows ads.

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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.*