# Shelftrak vs ONE Changi

Shelftrak and ONE Changi 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.

Shelftrak ships an update monthly, ONE Changi every 3 weeks. The most recent releases landed on October 28, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Shelftrak | ONE Changi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 33 MB | 84 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Venture Axis Ltd](https://appshunter.io/developer/918473359) | [Changi Airport Group (Singapore)](https://appshunter.io/developer/391730851) |

## What reviewers say

### Shelftrak

[App page](https://appshunter.io/ios/app/shelftrak/id6741762837)

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

**In-app purchases:** none


### ONE Changi

[App page](https://appshunter.io/ios/app/one-changi/id6743378535)

Stay informed about Changi Airport community news, access e-learning materials, and discover inspiring stories. Earn exclusive rewards for your engagement.

**Highlights:** Airport community news updates, E-learning resources access, Inspiring ground stories, Exclusive rewards program, Engagement features

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

**In-app purchases:** none


## Frequently asked questions

### Is Shelftrak free?

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

### Is ONE Changi free?

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

### Do Shelftrak or ONE Changi have ads?

Neither Shelftrak nor ONE Changi shows ads.

### Which is updated more often, Shelftrak or ONE Changi?

Shelftrak ships an update monthly, and ONE Changi every 3 weeks. Most recently, Shelftrak was updated on October 28, 2026 and ONE Changi on October 23, 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.*