# MyPrinciple vs SparkRing

The clearest difference is in-app purchases: SparkRing at none against MyPrinciple's 2. SparkRing also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. MyPrinciple sells 2 in-app purchases, starting at $3.99 per year. SparkRing asks for nothing beyond the download.

## The numbers

| Metric | MyPrinciple | SparkRing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 59 MB | 6 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [柱 杨](https://appshunter.io/developer/1680327782) | [鑫 宋](https://appshunter.io/developer/1886011792) |

## What reviewers say

### MyPrinciple

[App page](https://appshunter.io/ios/app/myprinciple/id6757670697)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Membership | $3.99 | per year |
| Lifetime Membership | $9.99 | one-time |


### SparkRing

[App page](https://appshunter.io/ios/app/sparkring/id6760737774)

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

**In-app purchases:** none


## Frequently asked questions

### Is MyPrinciple free?

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

### Is SparkRing free?

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

### Do MyPrinciple or SparkRing have ads?

Neither MyPrinciple nor SparkRing shows ads.

---

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