# Smart Systems ESS vs Data Collection+

Smart Systems ESS and Data Collection+ 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.

Smart Systems ESS ships an update every 4 days, Data Collection+ every 6 days. Both last shipped on September 24, 2026.

## The numbers

| Metric | Smart Systems ESS | Data Collection+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 days |
| Size | 12 MB | 163 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Smart Software Systems And Solutions](https://appshunter.io/developer/1871115025) | [Circana, Inc.](https://appshunter.io/developer/925641919) |

## What reviewers say

### Smart Systems ESS

[App page](https://appshunter.io/ios/app/smart-systems-ess/id6758136855)

**Features:** macOS Compatibility

**In-app purchases:** none


### Data Collection+

[App page](https://appshunter.io/ios/app/data-collection-plus/id6775377899)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Systems ESS free?

Smart Systems ESS is free to download, with no in-app purchases.

### Is Data Collection+ free?

Data Collection+ is free to download, with no in-app purchases.

### Do Smart Systems ESS or Data Collection+ have ads?

Neither Smart Systems ESS nor Data Collection+ shows ads.

### Which is updated more often, Smart Systems ESS or Data Collection+?

Smart Systems ESS ships an update every 4 days, and Data Collection+ every 6 days. Most recently, Smart Systems ESS was updated on September 24, 2026 and Data Collection+ 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.*