# StitchEcho vs KnitCalc

The clearest difference is update cadence: StitchEcho at every 4 days against KnitCalc's every 8 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. StitchEcho sells 1 one-off in-app purchase and KnitCalc sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

StitchEcho ships an update every 4 days, KnitCalc every 8 days. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | StitchEcho | KnitCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 8 days |
| Size | 10 MB | 47 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [诗彤 刘](https://appshunter.io/developer/1896743894) | [SmartCode AS](https://appshunter.io/developer/6777349503) |

## What reviewers say

### StitchEcho

[App page](https://appshunter.io/ios/app/stitchecho/id6770457667)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 终身会员 | $2.99 | one-time |


### KnitCalc

[App page](https://appshunter.io/ios/app/knitcalc/id6781950627)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KnitCalc Monthly | $0.99 | per month |
| KnitCalc Yearly | $7.99 | per year |


## Frequently asked questions

### Is StitchEcho free?

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

### Is KnitCalc free?

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

### Do StitchEcho or KnitCalc have ads?

Neither StitchEcho nor KnitCalc shows ads.

### Which is updated more often, StitchEcho or KnitCalc?

StitchEcho ships an update every 4 days, and KnitCalc every 8 days. Most recently, StitchEcho was updated on September 9, 2026 and KnitCalc on September 21, 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.*