# NSF Connect vs CircularONE (eS)

NSF Connect and CircularONE (eS) are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on May 17, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | NSF Connect | CircularONE (eS) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 5 MB | 61 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [NSF International](https://appshunter.io/developer/489806365) | [ecoSPIRITS Pte. Ltd.](https://appshunter.io/developer/1676631754) |

## What reviewers say

### NSF Connect

[App page](https://appshunter.io/ios/app/nsf-connect/id1235047519)

**Features:** macOS Compatibility

**In-app purchases:** none


### CircularONE (eS)

[App page](https://appshunter.io/ios/app/circularone-es/id6502039065)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NSF Connect free?

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

### Is CircularONE (eS) free?

CircularONE (eS) is free to download, with no in-app purchases.

### Do NSF Connect or CircularONE (eS) have ads?

Neither NSF Connect nor CircularONE (eS) shows ads.

### Which is updated more often, NSF Connect or CircularONE (eS)?

NSF Connect ships an update every 2 months, and CircularONE (eS) every 2 months. Most recently, NSF Connect was updated on May 17, 2026 and CircularONE (eS) on September 24, 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.*