# CDG ENERGY vs Birds@SG

The clearest difference is in-app purchases: CDG ENERGY at none against Birds@SG's 2. CDG ENERGY also leads on ads (none vs shown). Birds@SG's advantage is update cadence (weekly vs every 2 months) and device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Birds@SG sells 2 in-app purchases, starting at $1.99 per month. CDG ENERGY asks for nothing beyond the download.

CDG ENERGY ships an update every 2 months, Birds@SG weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CDG ENERGY | Birds@SG |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 13.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 59 MB | 59 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ComfortDelGro Corporation Limited](https://appshunter.io/developer/429899932) | [Hosay Studios](https://appshunter.io/developer/599398754) |

## What reviewers say

### CDG ENERGY

[App page](https://appshunter.io/ios/app/cdg-energy/id6670190438)

Easily find and navigate to electric vehicle charging stations across Singapore. Get real-time availability, charging speed details, and plan your route. Securely pay for charging and track your usage history.

**Highlights:** Find charging stations, Real-time station updates, Navigation to stations, Secure payment options, Charging history tracking, Station availability notifications

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

**In-app purchases:** none


### Birds@SG

[App page](https://appshunter.io/ios/app/birdssg/id6759211949)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Birds@SG Pro Monthly | $1.99 | per month |
| Birds@SG Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is CDG ENERGY free?

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

### Is Birds@SG free?

Birds@SG is free to download, with in-app purchases available.

### Do CDG ENERGY or Birds@SG have ads?

Birds@SG shows ads; CDG ENERGY does not.

### Which is updated more often, CDG ENERGY or Birds@SG?

CDG ENERGY ships an update every 2 months, and Birds@SG weekly. Most recently, CDG ENERGY was updated on October 30, 2026 and Birds@SG on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*