# StashBot vs YarnMath Studio

The clearest difference is price: YarnMath Studio at Free against StashBot's $4.99. YarnMath Studio also leads on update cadence (monthly vs every 11 months) and device support (3 vs 1). StashBot's advantage is in-app purchases (none vs 2). On ads there is nothing between them.

YarnMath Studio is free to download; StashBot costs $4.99 up front. YarnMath Studio sells 2 in-app purchases, starting at $3.99 per month. StashBot asks for nothing beyond the download.

StashBot ships an update every 11 months, YarnMath Studio monthly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | StashBot | YarnMath Studio |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.8 (325 ratings)](https://appshunter.io/ios/app/stashbot-knitting-and-crochet/id928131718/reviews)** | — |
| Number of ratings | **325** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Monthly** |
| Monetization | Paid | — |
| Size | 1 MB | 48 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Applorium Ltd](https://appshunter.io/developer/1688522804) | [SERAP ERKORKMAZ KADOGLU](https://appshunter.io/developer/1880487524) |

## What reviewers say

### StashBot

[App page](https://appshunter.io/ios/app/stashbot-knitting-and-crochet/id928131718)

This app helps knitters and crocheters calculate precise yarn quantities needed for projects, preventing overspending or underbuying. It supports various garment types, sizes, and provides requirements in both yards and meters.

**Highlights:** Yarn quantity calculation, Project yardage estimation, Supports various garment types, Multiple size options, Imperial and metric measurements, Yarn shopping companion

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

**In-app purchases:** none

**What reviewers like**

- 👍 Handy for yarn shopping
- 👍 Useful for spontaneous purchases
- 👍 Great for estimating yardage
- 👍 Saves money on excess yarn
- 👍 Easy to use interface

**What reviewers complain about**

- 👎 Limited stitch/inch options
- 👎 No yarn weight input
- 👎 Doesn't calculate skein quantity
- 👎 Inaccurate yardage calculations (reported)
- 👎 Limited project options

**Reported bugs**

- Not updating for iPhone X and over display
- App will not open on iPhone 6s running iOS 9.1

**Requested features**

- Switch between knit and crochet
- Add cowls and different scarf types
- More categories/options for summer items (shirts, tanks)
- Add baby blankets
- Add afghans


### YarnMath Studio

[App page](https://appshunter.io/ios/app/yarnmath-studio/id6759754674)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock YarnMath Studio Pro | $3.99 | per month |
| Unlock YarnMath Studio Pro | $29.99 | per year |


## Frequently asked questions

### Is StashBot free?

StashBot costs $4.99, with no in-app purchases.

### Is YarnMath Studio free?

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

### Do StashBot or YarnMath Studio have ads?

Neither StashBot nor YarnMath Studio shows ads.

### Which is updated more often, StashBot or YarnMath Studio?

StashBot ships an update every 11 months, and YarnMath Studio monthly. Most recently, StashBot was updated on November 1, 2026 and YarnMath Studio 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.*