# ONE CAG vs Changi Identity

ONE CAG and Changi Identity 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.

ONE CAG ships an update every 2 months, Changi Identity monthly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ONE CAG | Changi Identity |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 47 MB | 87 MB |
| Requires iOS | 16.1 | **16** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [HABITAP PTE. LTD](https://appshunter.io/developer/1131905342) | [Changi Airport Group (Singapore)](https://appshunter.io/developer/391730851) |

## What reviewers say

### ONE CAG

[App page](https://appshunter.io/ios/app/one-cag/id6447958110)

**Features:** Apple Wallet

**In-app purchases:** none


### Changi Identity

[App page](https://appshunter.io/ios/app/changi-identity/id6799029597)

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

**In-app purchases:** none


## Frequently asked questions

### Is ONE CAG free?

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

### Is Changi Identity free?

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

### Do ONE CAG or Changi Identity have ads?

Neither ONE CAG nor Changi Identity shows ads.

### Which is updated more often, ONE CAG or Changi Identity?

ONE CAG ships an update every 2 months, and Changi Identity monthly. Most recently, ONE CAG was updated on October 27, 2026 and Changi Identity 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.*