# DSP vs Protocol Tracker

The clearest difference is in-app purchases: DSP at none against Protocol Tracker's 2. DSP also leads on iOS requirement (9.0.0 vs 26.0). Protocol Tracker's advantage is update cadence (every 2 weeks vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. Protocol Tracker sells 2 in-app purchases, starting at $3.99 per month. DSP asks for nothing beyond the download.

DSP ships an update every 9 months, Protocol Tracker every 2 weeks. The most recent releases landed on October 2, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | DSP | Protocol Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/dsp/id1588274697/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 62 MB | 20 MB |
| Requires iOS | **9.0.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Benjamin DeLaCruz](https://appshunter.io/developer/1588274699) | [Mc Pol Cruz](https://appshunter.io/developer/1884728788) |

## What reviewers say

### DSP

[App page](https://appshunter.io/ios/app/dsp/id1588274697)

Easily view class schedules and book your fitness sessions. Stay updated with the latest offerings and manage your bookings directly from your device.

**Highlights:** View class schedules, Book fitness sessions, Manage bookings, Device-based access, Updated offerings

**Features:** macOS Compatibility

**In-app purchases:** none


### Protocol Tracker

[App page](https://appshunter.io/ios/app/protocol-tracker-dosefi/id6760504673)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $34.99 | per year |


## Frequently asked questions

### Is DSP free?

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

### Is Protocol Tracker free?

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

### Do DSP or Protocol Tracker have ads?

Neither DSP nor Protocol Tracker shows ads.

### Which is updated more often, DSP or Protocol Tracker?

DSP ships an update every 9 months, and Protocol Tracker every 2 weeks. Most recently, DSP was updated on October 2, 2026 and Protocol Tracker on September 14, 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.*