# Sentinel vs Data Manager Classic

The clearest difference is in-app purchases: Data Manager Classic at none against Sentinel's 2. Data Manager Classic also leads on update cadence (daily vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sentinel sells 2 in-app purchases, starting at $29.99 per month. Data Manager Classic asks for nothing beyond the download.

Sentinel ships an update every 9 days, Data Manager Classic daily. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Sentinel | Data Manager Classic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Size | 39 MB | 7 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Eija Huttunen](https://appshunter.io/developer/1887793867) | [Andreas Grauf](https://appshunter.io/developer/1878952443) |

## What reviewers say

### Sentinel

[App page](https://appshunter.io/ios/app/sentinel-field-intelligence/id6761101801)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sentinel Solo | $29.99 | per month |
| Sentinel Pro | $79.99 | per month |


### Data Manager Classic

[App page](https://appshunter.io/ios/app/data-manager-classic/id6767839103)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sentinel free?

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

### Is Data Manager Classic free?

Data Manager Classic is free to download, with no in-app purchases.

### Do Sentinel or Data Manager Classic have ads?

Neither Sentinel nor Data Manager Classic shows ads.

### Which is updated more often, Sentinel or Data Manager Classic?

Sentinel ships an update every 9 days, and Data Manager Classic daily. Most recently, Sentinel was updated on September 10, 2026 and Data Manager Classic 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.*