# Loop vs CPTNS

The clearest difference is update cadence: CPTNS at monthly against Loop's every 7 months. Loop's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Loop ships an update every 7 months, CPTNS monthly. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Loop | CPTNS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Size | 17 MB | 63 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Fisherlea Systems](https://appshunter.io/developer/527179203) | [Classic Pool Tile & Stone Corporation](https://appshunter.io/developer/1705352003) |

## What reviewers say

### Loop

[App page](https://appshunter.io/ios/app/loop-loc-a-b-measure-pro/id1618784600)

**Features:** macOS Compatibility

**In-app purchases:** none


### CPTNS

[App page](https://appshunter.io/ios/app/cptns/id6471968004)

**In-app purchases:** none


## Frequently asked questions

### Is Loop free?

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

### Is CPTNS free?

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

### Do Loop or CPTNS have ads?

Neither Loop nor CPTNS shows ads.

### Which is updated more often, Loop or CPTNS?

Loop ships an update every 7 months, and CPTNS monthly. Most recently, Loop was updated on October 25, 2026 and CPTNS on October 8, 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.*