# AU SPARK GUARDIAN vs OPENskill

The clearest difference is update cadence: AU SPARK GUARDIAN at every 3 days against OPENskill's every 3 weeks. AU SPARK GUARDIAN also leads on iOS requirement (11.0 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.

AU SPARK GUARDIAN ships an update every 3 days, OPENskill every 3 weeks. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | AU SPARK GUARDIAN | OPENskill |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 49 MB | 33 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Kiratijuta Bhumichitr](https://appshunter.io/developer/741393942) | [SiamSquared Technologies (Thailand) Co., Ltd.](https://appshunter.io/developer/333207356) |

## What reviewers say

### AU SPARK GUARDIAN

[App page](https://appshunter.io/ios/app/au-spark-guardian/id1531667865)

**In-app purchases:** none


### OPENskill

[App page](https://appshunter.io/ios/app/openskill/id6752234032)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AU SPARK GUARDIAN free?

AU SPARK GUARDIAN is free to download, with no in-app purchases.

### Is OPENskill free?

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

### Do AU SPARK GUARDIAN or OPENskill have ads?

Neither AU SPARK GUARDIAN nor OPENskill shows ads.

### Which is updated more often, AU SPARK GUARDIAN or OPENskill?

AU SPARK GUARDIAN ships an update every 3 days, and OPENskill every 3 weeks. Most recently, AU SPARK GUARDIAN was updated on September 19, 2026 and OPENskill on September 9, 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.*