# SGFlight vs Bondsai

The clearest difference is in-app purchases: SGFlight at none against Bondsai's 1. Bondsai's advantage is update cadence (weekly vs every 5 months) and iOS requirement (14.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Bondsai sells 1 one-off in-app purchase. SGFlight asks for nothing beyond the download.

SGFlight ships an update every 5 months, Bondsai weekly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SGFlight | Bondsai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Size | 51 MB | 43 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Civil Aviation Authority of Singapore](https://appshunter.io/developer/1019486003) | [Yong Hui Kevin Yu](https://appshunter.io/developer/6778457352) |

## What reviewers say

### SGFlight

[App page](https://appshunter.io/ios/app/sgflight/id1509491329)

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

**In-app purchases:** none


### Bondsai

[App page](https://appshunter.io/ios/app/bondsai-relationship-journal/id6778457350)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bondsai Pro | $12.99 | one-time |


## Frequently asked questions

### Is SGFlight free?

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

### Is Bondsai free?

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

### Do SGFlight or Bondsai have ads?

Neither SGFlight nor Bondsai shows ads.

### Which is updated more often, SGFlight or Bondsai?

SGFlight ships an update every 5 months, and Bondsai weekly. Most recently, SGFlight was updated on October 29, 2026 and Bondsai on October 24, 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.*