# TC 71 Netphen vs Athlog

The clearest difference is in-app purchases: TC 71 Netphen at none against Athlog's 2. Athlog's advantage is update cadence (every 2 weeks vs every 16 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Athlog sells 2 in-app purchases, starting at $7.99 per month. TC 71 Netphen asks for nothing beyond the download.

TC 71 Netphen ships an update every 16 months, Athlog every 2 weeks. The most recent releases landed on November 13, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TC 71 Netphen | Athlog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/athlog/id6749859246/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 46 MB | 58 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Felix Wansing](https://appshunter.io/developer/1145308443) | [Silas Stulz](https://appshunter.io/developer/1832498243) |

## What reviewers say

### TC 71 Netphen

[App page](https://appshunter.io/ios/app/tc-71-netphen/id1552744800)

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

**In-app purchases:** none


### Athlog

[App page](https://appshunter.io/ios/app/athlog/id6749859246)

This app serves as a comprehensive journal for athletes, allowing them to track workouts, sleep, energy, and other performance-impacting factors. It streamlines data logging through voice or manual input and facilitates collaboration with coaching teams for smarter training decisions.

**Highlights:** Workout, sleep, and energy tracking, Voice-to-text entry logging, AI-powered auto-writing, Performance trend analysis, Coach collaboration and data sharing, Attachment of photos, PDFs, and videos

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Athlog Pro Monthly | $7.99 | per month |
| Athlog Athlete Yearly | $49.99 | per year |


## Frequently asked questions

### Is TC 71 Netphen free?

TC 71 Netphen is free to download, with no in-app purchases.

### Is Athlog free?

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

### Do TC 71 Netphen or Athlog have ads?

Neither TC 71 Netphen nor Athlog shows ads.

### Which is updated more often, TC 71 Netphen or Athlog?

TC 71 Netphen ships an update every 16 months, and Athlog every 2 weeks. Most recently, TC 71 Netphen was updated on November 13, 2026 and Athlog on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*