# Corner Calculus vs SnoTel Mapper

The clearest difference is in-app purchases: Corner Calculus at none against SnoTel Mapper's 2. Corner Calculus also leads on update cadence (weekly vs every 6 weeks) and iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Corner Calculus costs $1.99 and SnoTel Mapper $2.49 up front. SnoTel Mapper sells 2 in-app purchases, starting at $2.99 per month. Corner Calculus asks for nothing beyond the download.

Corner Calculus ships an update weekly, SnoTel Mapper every 6 weeks. The most recent releases landed on June 16, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Corner Calculus | SnoTel Mapper |
| --- | --- | --- |
| Price | **$1.99** | $2.49 |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/corner-calculus/id1532990651/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | Paid | — |
| Size | 12 MB | 82 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Kirichenko](https://appshunter.io/developer/1532990653) | [Jason Flaherty](https://appshunter.io/developer/1714314673) |

## What reviewers say

### Corner Calculus

[App page](https://appshunter.io/ios/app/corner-calculus/id1532990651)

This professional tool simplifies the calculation of corner miter joints for woodworking projects. It accurately determines edge angles and dimensions for various joint configurations, including corner rounding with a specified radius.

**Highlights:** Miter joint calculation, Edge angle and dimension calculation, Corner rounding with radius, Supports various joint configurations, Professional woodworking tool

**Features:** macOS Compatibility

**In-app purchases:** none


### SnoTel Mapper

[App page](https://appshunter.io/ios/app/snotel-mapper-snow-data/id6470841771)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Subscription | $2.99 | per month |
| Premium Yearly Subscription | $24.99 | per year |


## Frequently asked questions

### Is Corner Calculus free?

Corner Calculus costs $1.99, with no in-app purchases.

### Is SnoTel Mapper free?

SnoTel Mapper costs $2.49, and also offers in-app purchases.

### Do Corner Calculus or SnoTel Mapper have ads?

Neither Corner Calculus nor SnoTel Mapper shows ads.

### Which is updated more often, Corner Calculus or SnoTel Mapper?

Corner Calculus ships an update weekly, and SnoTel Mapper every 6 weeks. Most recently, Corner Calculus was updated on June 16, 2026 and SnoTel Mapper on September 11, 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.*