# 統一發票兌獎 vs Swap It.

The clearest difference is in-app purchases: 統一發票兌獎 at none against Swap It.'s 3. Swap It.'s advantage is update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Swap It. sells 3 in-app purchases, starting at $1.99 per month. 統一發票兌獎 asks for nothing beyond the download.

統一發票兌獎 ships an update every 2 months, Swap It. every 5 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 統一發票兌獎 | Swap It. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (60 ratings)](https://appshunter.io/ios/app/id1445981329/reviews)** | — |
| Number of ratings | **60** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 96 MB | 82 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [財政部](https://appshunter.io/developer/1445981328) | [KaiHsiang Yang](https://appshunter.io/developer/1859499755) |

## What reviewers say

### 統一發票兌獎

[App page](https://appshunter.io/ios/app/id1445981329)

**Features:** Vision Pro support

**In-app purchases:** none


### Swap It.

[App page](https://appshunter.io/ios/app/swap-it/id6762584972)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Swap It. Pro Monthly | $1.99 | per month |
| Swap It. Pro Yearly | $11.99 | per year |
| Swap It. Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is 統一發票兌獎 free?

統一發票兌獎 is free to download, with no in-app purchases.

### Is Swap It. free?

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

### Do 統一發票兌獎 or Swap It. have ads?

Neither 統一發票兌獎 nor Swap It. shows ads.

### Which is updated more often, 統一發票兌獎 or Swap It.?

統一發票兌獎 ships an update every 2 months, and Swap It. every 5 days. Most recently, 統一發票兌獎 was updated on October 29, 2026 and Swap It. on October 31, 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.*