# Legacy TriDot vs No DNF

The clearest difference is price: Legacy TriDot at Free against No DNF's $0.99. Legacy TriDot also leads on update cadence (fortnightly vs every 12 months) and iOS requirement (11.0 vs 15.1). No DNF's advantage is in-app purchases (none vs 5). On review sentiment, ads and device support there is nothing between them.

Legacy TriDot is free to download; No DNF costs $0.99 up front. Legacy TriDot sells 5 in-app purchases, starting at $14.99 per month. No DNF asks for nothing beyond the download.

Legacy TriDot ships an update fortnightly, No DNF every 12 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Legacy TriDot | No DNF |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.7 (263 ratings)](https://appshunter.io/ios/app/legacy-tridot/id1189088069/reviews)** | — |
| Number of ratings | **263** | — |
| Positive reviews | 97.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 12 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 95 MB | 30 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Predictive Fitness, Inc.](https://appshunter.io/developer/1189088068) | [Oleksandr Kazimirchuk](https://appshunter.io/developer/1730603170) |

## What reviewers say

### Legacy TriDot

[App page](https://appshunter.io/ios/app/legacy-tridot/id1189088069)

This app uses big data and advanced analytics to optimize your future training and race results. It seamlessly auto-syncs with popular fitness tracking devices.

**Highlights:** Big data analytics, Optimized future training, Race result prediction, Seamless auto-sync, Garmin integration, Polar integration

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifestyle | $14.99 | per month |
| Essentials | $39.99 | per month |
| Complete | $99.99 | per month |
| Mark Allen Edition | $149.99 | per month |
| Premium | $249.99 | per month |

**What reviewers like**

- 🚀 Personalized training plans
- 👍 Easy to use and follow
- 🚀 Customized to user's fitness level
- 🚀 Efficient training with less time
- 👍 Injury-free training

**What reviewers complain about**

- 🐛 Occasional app performance issues
- 🔍 Steep learning curve for some features
- 🔍 Limited manual workout customization

**Reported bugs**

- Login issues
- Syncing problems with third-party apps

**Requested features**

- Perceived effort tracking
- More flexibility in workout scheduling


### No DNF

[App page](https://appshunter.io/ios/app/no-dnf/id6477801670)

Plan and execute ultrarunning race strategies with detailed aid station management, multiple pacing options, and real-time tracking. Offers dynamic timeline views and adjustable pace calculations for various race distances and durations.

**Highlights:** Customizable race and aid station layout, Dual pacing plans (goal & backup), Real-time ETA and pace adjustments, Dynamic leg-by-leg timeline view, Min/km or min/mi pace display, Dark mode optimization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Legacy TriDot free?

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

### Is No DNF free?

No DNF costs $0.99, with no in-app purchases.

### Do Legacy TriDot or No DNF have ads?

Neither Legacy TriDot nor No DNF shows ads.

### Which is updated more often, Legacy TriDot or No DNF?

Legacy TriDot ships an update fortnightly, and No DNF every 12 months. Most recently, Legacy TriDot was updated on October 23, 2026 and No DNF on October 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.*