# OPSWAT SDP vs Subscription Manager

The clearest difference is in-app purchases: OPSWAT SDP at none against Subscription Manager's 4. OPSWAT SDP also leads on iOS requirement (13.0 vs 15.1). Subscription Manager's advantage is update cadence (monthly vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Subscription Manager sells 4 in-app purchases, starting at $1.99 per 7 days. OPSWAT SDP asks for nothing beyond the download.

OPSWAT SDP ships an update every 6 months, Subscription Manager monthly. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | OPSWAT SDP | Subscription Manager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Size | 62 MB | 28 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OPSWAT](https://appshunter.io/developer/987603817) | [Reda Boubkraoui](https://appshunter.io/developer/1821642957) |

## What reviewers say

### OPSWAT SDP

[App page](https://appshunter.io/ios/app/opswat-sdp/id1574377620)

**Features:** macOS Compatibility

**In-app purchases:** none


### Subscription Manager

[App page](https://appshunter.io/ios/app/subscription-manager-tracker/id6749838489)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Manager PRO | $1.99 | per 7 days |
| Subscription Manager PRO | $4.99 | per month |
| Subscription Manager PRO | $19.99 | per year |
| Subscription Manager PRO | $24.99 | one-time |


## Frequently asked questions

### Is OPSWAT SDP free?

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

### Is Subscription Manager free?

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

### Do OPSWAT SDP or Subscription Manager have ads?

Neither OPSWAT SDP nor Subscription Manager shows ads.

### Which is updated more often, OPSWAT SDP or Subscription Manager?

OPSWAT SDP ships an update every 6 months, and Subscription Manager monthly. Most recently, OPSWAT SDP was updated on October 12, 2026 and Subscription Manager on October 4, 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.*