CSS Calculator Pro vs Triathlon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CSS Calculator Pro
This application helps swimmers learn and calculate their critical swim speed and sprint distance index. It also allows users to predict their race times based on their performance metrics.
- Learn critical swim speed test
- Calculate critical swim speed
- Calculate sprint distance index
- Predict race time
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With this simple app you will - Learn how to perform critical swim speed test - Calculate your critical swim speed and sprint distance index - Predict your race time
Triathlon
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Calculate you event total time. Put in you distance and pace for calculate end time, or pace and end time will give you the distance and so on. All the way thru the three disciplines the total time is calculated and showed under the calculation fields. Perfect for planning your total event end time. You can disable disciplins and calculate for duathlon or single discipline.
Screenshots
Verdict
The clearest difference is price: CSS Calculator Pro at Free against Triathlon's $0.99. CSS Calculator Pro also leads on update cadence (every 2 weeks vs every 8 months) and iOS requirement (8.1 vs 26.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
CSS Calculator Pro is free to download; Triathlon costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
CSS Calculator Pro ships an update every 2 weeks, Triathlon every 8 months. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.
| Parameter | CSS Calculator Pro | Triathlon |
|---|---|---|
| Price | Free — better | $0.99 |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 2 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 2 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexey Ovod | Frank Kalhoj |
In-app purchases
CSS Calculator Pro
No in-app purchases
Triathlon
No in-app purchases
Questions
Is CSS Calculator Pro free?
Is Triathlon free?
Do CSS Calculator Pro or Triathlon have ads?
Which is updated more often, CSS Calculator Pro or Triathlon?
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