# StopTags vs SDSP

StopTags and SDSP 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 October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | StopTags | SDSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 23 MB | 31 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Smartrak Ltd](https://appshunter.io/developer/1100537512) | [Cultura Technologies Inc](https://appshunter.io/developer/1130864545) |

## What reviewers say

### StopTags

[App page](https://appshunter.io/ios/app/stoptags/id405852164)

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

**In-app purchases:** none


### SDSP

[App page](https://appshunter.io/ios/app/sdsp-hpp/id1561594198)

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

**In-app purchases:** none


## Frequently asked questions

### Is StopTags free?

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

### Is SDSP free?

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

### Do StopTags or SDSP have ads?

Neither StopTags nor SDSP shows ads.

### Which is updated more often, StopTags or SDSP?

StopTags ships an update every 2 months, and SDSP every 2 months. Most recently, StopTags was updated on October 6, 2026 and SDSP on October 7, 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.*