# IONISM vs 婇姯TsaiGuang

IONISM and 婇姯TsaiGuang 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 monthly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | IONISM | 婇姯TsaiGuang |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 104 MB | 104 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [WEI-CHIN YANG](https://appshunter.io/developer/1387727043) | [MONTAR INTERNATIONAL CO., Ltd.](https://appshunter.io/developer/1649261605) |

## What reviewers say

### IONISM

[App page](https://appshunter.io/ios/app/ionism/id1387727044)

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

**In-app purchases:** none


### 婇姯TsaiGuang

[App page](https://appshunter.io/ios/app/tsaiguang/id6443785065)

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

**In-app purchases:** none


## Frequently asked questions

### Is IONISM free?

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

### Is 婇姯TsaiGuang free?

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

### Do IONISM or 婇姯TsaiGuang have ads?

Neither IONISM nor 婇姯TsaiGuang shows ads.

### Which is updated more often, IONISM or 婇姯TsaiGuang?

IONISM ships an update monthly, and 婇姯TsaiGuang monthly. Most recently, IONISM was updated on October 24, 2026 and 婇姯TsaiGuang on October 27, 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.*