Saga vs Lact8
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Saga
This app helps athletes and coaches plan, execute, and analyze blood lactate tests for running and cycling. It streamlines the process of finding an athlete's lactate inflection point, a key metric for endurance performance.
- Lactate testing protocols for running and cycling
- Determine lactate inflection point (LIP)
- Analyze endurance performance
- Streamline testing process
- Metabolic efficiency indicator
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The application is a comprehensive tool designed to assist athletes and coaches in the meticulous planning, execution, and analysis of blood lactate testing protocols specifically for running and cycling activities. Its core objective is to streamline the process of determining an athlete's lactate inflection point (LIP) or lactate threshold, a critical indicator of endurance performance and metabolic efficiency.
Lact8
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Lact8 helps athletes identify their lactate thresholds (LT1 and LT2) from step test data and calculate personalized training zones. Features: • Record lactate, heart rate, and power/pace from step tests • Automatic threshold detection using proven methods • Multiple zone systems (3-Zone, 7-Zone Touretski, 8-Zone Couzens) • Track threshold progression over time • Export data as CSV, JSON, or Markdown Perfect for cyclists, runners, and triathletes who want data-driven training zones based on their own physiology.
Screenshots
Verdict
Saga and Lact8 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Saga | Lact8 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | — | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Nucleon AS | BEN REEVE |
In-app purchases
Saga
No in-app purchases
Lact8
No in-app purchases
