# QuiltingCalc vs Butterfly Identifier

The clearest difference is review sentiment: QuiltingCalc at 66% against Butterfly Identifier's 0%. QuiltingCalc also leads on rating (4.3 vs 1.0) and in-app purchases (none vs 1). Butterfly Identifier's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Butterfly Identifier sells 1 in-app purchase, starting at $9.99 per month. QuiltingCalc asks for nothing beyond the download.

QuiltingCalc holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: QuiltingCalc has 148 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 66% of QuiltingCalc's written reviews are positive against 0% of Butterfly Identifier's.

## The numbers

| Metric | QuiltingCalc | Butterfly Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (148 ratings)](https://appshunter.io/ios/app/quiltingcalc/id390366459/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/butterfly-identifier-moth-id/id1630885839/reviews) |
| Number of ratings | **148** | 2 |
| Positive reviews | **65.8% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 53 MB | 9 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Handmade Interactive LLC](https://appshunter.io/developer/390366462) | [Tolkyn Raimbayeva](https://appshunter.io/developer/1692087944) |

## What reviewers say

### QuiltingCalc

[App page](https://appshunter.io/ios/app/quiltingcalc/id390366459)

This app offers eight essential quilting calculators to simplify fabric calculations. It helps with conversions, determining fabric needs for backing, borders, and binding, and calculating piece cuts from larger fabric pieces. It also includes specialized calculators for common quilting blocks and triangles.

**Highlights:** Fabric measurement conversion (yards/inches, meters/cm), Backing and batting yardage calculation, Piece cutting from larger fabric, Binding fabric calculation, Border fabric calculation, Square-in-a-square block dimensions, Triangle calculations for blocks

**In-app purchases:** none

**What reviewers like**

- 🎯 Accurate fabric calculations for borders, bindings, and backing
- ⚡ Quick and easy-to-use interface for on-the-go shopping
- 💰 Free app with valuable quilting functionality
- 🔄 Reliable performance for most users over extended periods
- 📱 Helpful tool for beginners learning quilting math

**What reviewers complain about**

- 🐛 Frequent crashes and freezing issues
- 🐛 App won't open or gets stuck on loading screen
- 🐛 Back button navigation doesn't work properly
- 🐛 Unable to exit app and return to enter new measurements
- ⚠️ Calculation errors for certain fabric widths (especially 108" backing)

**Reported bugs**

- App crashes on startup or during use
- Freezes on title/loading screen indefinitely
- Black screen errors when exiting app
- Back button ('<') doesn't function
- Cannot return to previous screens to modify inputs

**Requested features**

- Metric to imperial conversion tool
- Landscape mode and full iPad support
- Default settings for binding strip width (2.5") and border type
- Wide-backing fabric support (108 inch)
- Quilt size templates (baby, lap, throw sizes)


### Butterfly Identifier

[App page](https://appshunter.io/ios/app/butterfly-identifier-moth-id/id1630885839)

Instantly identify butterflies and moths from photos with a vast database and high accuracy. Unlock full access to all features with a monthly subscription.

**Highlights:** Instant photo processing, High accuracy identification, Extensive database, Monthly subscription for full access

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Butterfly ID Full Access | $9.99 | per month |


## Frequently asked questions

### Is QuiltingCalc free?

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

### Is Butterfly Identifier free?

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

### Which has better reviews, QuiltingCalc or Butterfly Identifier?

QuiltingCalc is rated higher. QuiltingCalc averages 4.3 out of 5 from 148 ratings, while Butterfly Identifier averages 1.0 from 2 ratings.

### Do QuiltingCalc or Butterfly Identifier have ads?

QuiltingCalc shows ads; Butterfly Identifier does not.

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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.*