# FitCalcPro+ vs Intervo

The clearest difference is price: FitCalcPro+ at Free against Intervo's $0.99. Intervo's advantage is in-app purchases (none vs 4). On update cadence, ads, device support and iOS requirement there is nothing between them.

FitCalcPro+ is free to download; Intervo costs $0.99 up front. FitCalcPro+ sells 4 in-app purchases, starting at $2.99 per 7 days. Intervo asks for nothing beyond the download.

FitCalcPro+ ships an update every 5 days, Intervo weekly. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | FitCalcPro+ | Intervo |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/fitcalcpro-plus/id6740578685/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Paid | — |
| Size | 11 MB | 5 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [James Harrison Burt](https://appshunter.io/developer/1578505380) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## What reviewers say

### FitCalcPro+

[App page](https://appshunter.io/ios/app/fitcalcpro-plus/id6740578685)

This app provides over 40 health and fitness calculators to help users track body metrics, set fitness goals, monitor performance, and gain nutritional insights. It offers tools for weight management, macronutrient splitting, and specialized health needs like pregnancy.

**Highlights:** 40+ health and fitness calculators, Body metrics tracking (BMI, BMR, TDEE), Fitness goal calculators (weight loss, macros), Performance tracking (VO2 Max, heart rate), Specialized health tools (pregnancy, ideal weight), Nutritional insights (hydration, fiber, glycemic load)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FitCalcPro+ Pro | $2.99 | per 7 days |
| FitCalcPro+ Pro | $12.99 | per month |
| FitCalcPro+ Pro | $39.99 | per year |
| FitCalcPro+ Full Access | $59.99 | one-time |


### Intervo

[App page](https://appshunter.io/ios/app/intervo-hiit-interval-timer/id6775499898)

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

**In-app purchases:** none


## Frequently asked questions

### Is FitCalcPro+ free?

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

### Is Intervo free?

Intervo costs $0.99, with no in-app purchases.

### Do FitCalcPro+ or Intervo have ads?

Neither FitCalcPro+ nor Intervo shows ads.

### Which is updated more often, FitCalcPro+ or Intervo?

FitCalcPro+ ships an update every 5 days, and Intervo weekly. Most recently, FitCalcPro+ was updated on October 24, 2026 and Intervo on October 4, 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.*