# STUDIO A 舊機換新機 vs DoubleLife雙全生活館

The clearest difference is update cadence: DoubleLife雙全生活館 at every 3 weeks against STUDIO A 舊機換新機's every 2 months. STUDIO A 舊機換新機's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

STUDIO A 舊機換新機 ships an update every 2 months, DoubleLife雙全生活館 every 3 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | STUDIO A 舊機換新機 | DoubleLife雙全生活館 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 38 MB | 104 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [STUDIO A](https://appshunter.io/developer/1229645980) | [Doublelife International Co., Ltd.](https://appshunter.io/developer/1743737710) |

## What reviewers say

### STUDIO A 舊機換新機

[App page](https://appshunter.io/ios/app/studio-a-trade-in/id1537540483)

**Features:** Vision Pro support

**In-app purchases:** none


### DoubleLife雙全生活館

[App page](https://appshunter.io/ios/app/doublelife/id6499516414)

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

**In-app purchases:** none


## Frequently asked questions

### Is STUDIO A 舊機換新機 free?

STUDIO A 舊機換新機 is free to download, with no in-app purchases.

### Is DoubleLife雙全生活館 free?

DoubleLife雙全生活館 is free to download, with no in-app purchases.

### Do STUDIO A 舊機換新機 or DoubleLife雙全生活館 have ads?

Neither STUDIO A 舊機換新機 nor DoubleLife雙全生活館 shows ads.

### Which is updated more often, STUDIO A 舊機換新機 or DoubleLife雙全生活館?

STUDIO A 舊機換新機 ships an update every 2 months, and DoubleLife雙全生活館 every 3 weeks. Most recently, STUDIO A 舊機換新機 was updated on November 3, 2026 and DoubleLife雙全生活館 on October 25, 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.*