# insphere Alert vs PTE Asia

The clearest difference is update cadence: PTE Asia at every 4 days against insphere Alert's every 9 months. insphere Alert's advantage is iOS requirement (15.1 vs 17.4). 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.

insphere Alert ships an update every 9 months, PTE Asia every 4 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | insphere Alert | PTE Asia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Size | 22 MB | 145 MB |
| Requires iOS | **15.1** | 17.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EP-Tec Solutions Pte. Ltd.](https://appshunter.io/developer/1579009792) | [CLOSERSTILL MEDIA TECNOLOGIA SL.](https://appshunter.io/developer/1588876355) |

## What reviewers say

### insphere Alert

[App page](https://appshunter.io/ios/app/insphere-alert/id6740837481)

**Features:** macOS Compatibility

**In-app purchases:** none


### PTE Asia

[App page](https://appshunter.io/ios/app/pte-asia/id6783832092)

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

**In-app purchases:** none


## Frequently asked questions

### Is insphere Alert free?

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

### Is PTE Asia free?

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

### Do insphere Alert or PTE Asia have ads?

Neither insphere Alert nor PTE Asia shows ads.

### Which is updated more often, insphere Alert or PTE Asia?

insphere Alert ships an update every 9 months, and PTE Asia every 4 days. Most recently, insphere Alert was updated on November 8, 2026 and PTE Asia 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.*