# PerScaler vs 建筑摄影

The clearest difference is in-app purchases: 建筑摄影 at none against PerScaler's 1. 建筑摄影 also leads on update cadence (every 5 days vs every 11 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PerScaler sells 1 one-off in-app purchase. 建筑摄影 asks for nothing beyond the download.

PerScaler ships an update every 11 days, 建筑摄影 every 5 days. The most recent releases landed on October 6, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | PerScaler | 建筑摄影 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 5 days** |
| Size | 140 MB | 4 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [12px, LLC](https://appshunter.io/developer/306578083) | [liu xiaoyong](https://appshunter.io/developer/6802644081) |

## What reviewers say

### PerScaler

[App page](https://appshunter.io/ios/app/perscaler/id6760159037)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.49 | one-time |


### 建筑摄影

[App page](https://appshunter.io/ios/app/id6802644079)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PerScaler free?

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

### Is 建筑摄影 free?

建筑摄影 is free to download, with no in-app purchases.

### Do PerScaler or 建筑摄影 have ads?

Neither PerScaler nor 建筑摄影 shows ads.

### Which is updated more often, PerScaler or 建筑摄影?

PerScaler ships an update every 11 days, and 建筑摄影 every 5 days. Most recently, PerScaler was updated on October 6, 2026 and 建筑摄影 on October 21, 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.*