# Blendstylez vs Ring Sizer

The clearest difference is price: Ring Sizer at Free against Blendstylez's $3.99. Blendstylez's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Ring Sizer is free to download; Blendstylez costs $3.99 up front. Blendstylez sells 1 in-app purchase, starting at $8.99 per year and Ring Sizer sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Blendstylez | Ring Sizer |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/blendstylez-rescalc/id1543592667/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 429 MB | 10 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | +4 |
| Developer | [Martin Maurer](https://appshunter.io/developer/1543592669) | [Grima Hdez](https://appshunter.io/developer/1741481582) |

## What reviewers say

### Blendstylez

[App page](https://appshunter.io/ios/app/blendstylez-rescalc/id1543592667)

Calculate electrical resistance for heating coils with this specialized tool. Developed for iPhone and iPad, it receives regular updates to enhance functionality. Offers a Pro subscription for advanced features.

**Highlights:** Electrical resistance calculation, Heating coil specific, iPhone and iPad support, Frequent updates, Pro subscription option

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ResCalc Pro | $8.99 | per year |


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-iring/id6746928106)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Weekly premium | $0.99 | per 7 days |
| Ring Sizer Pro Month | $1.99 | per month |
| Ring Sizer Premium Yearly | $2.99 | per year |
| Ring Sizer Pro Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Blendstylez free?

Blendstylez costs $3.99, and also offers in-app purchases.

### Is Ring Sizer free?

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

### Do Blendstylez or Ring Sizer have ads?

Ring Sizer shows ads; Blendstylez does not.

### Which is updated more often, Blendstylez or Ring Sizer?

Blendstylez ships an update every 2 months, and Ring Sizer every 2 months. Most recently, Blendstylez was updated on October 22, 2026 and Ring Sizer 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.*