# SAI Alerts vs Box Builder

The clearest difference is update cadence: SAI Alerts at every 2 months against Box Builder's every 7 months. SAI Alerts also leads on iOS requirement (13.4 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SAI Alerts ships an update every 2 months, Box Builder every 7 months. Both last shipped on October 3, 2026.

## The numbers

| Metric | SAI Alerts | Box Builder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Size | 27 MB | 1 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SAI Groups](https://appshunter.io/developer/1582185208) | [Neill Mclachlan](https://appshunter.io/developer/1527884833) |

## What reviewers say

### SAI Alerts

[App page](https://appshunter.io/ios/app/sai-alerts/id1582185206)

**Features:** macOS Compatibility

**In-app purchases:** none


### Box Builder

[App page](https://appshunter.io/ios/app/box-builder/id1640513711)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SAI Alerts free?

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

### Is Box Builder free?

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

### Do SAI Alerts or Box Builder have ads?

Neither SAI Alerts nor Box Builder shows ads.

### Which is updated more often, SAI Alerts or Box Builder?

SAI Alerts ships an update every 2 months, and Box Builder every 7 months. Most recently, SAI Alerts was updated on October 3, 2026 and Box Builder on October 3, 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.*