# by Nigel vs CaliPro

The clearest difference is in-app purchases: by Nigel at none against CaliPro's 4. by Nigel also leads on iOS requirement (15.1 vs 17.0). CaliPro's advantage is update cadence (weekly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. CaliPro sells 4 in-app purchases, starting at $6.99 per 7 days. by Nigel asks for nothing beyond the download.

by Nigel ships an update every 4 months, CaliPro weekly. The most recent releases landed on October 21, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | by Nigel | CaliPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (24 ratings)](https://appshunter.io/ios/app/calipro/id6762614539/reviews)** |
| Number of ratings | — | **24** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 52 MB | 161 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | +4 |
| Developer | [Nigel Schat](https://appshunter.io/developer/1892297774) | [ofek yahalom](https://appshunter.io/developer/1894842693) |

## What reviewers say

### by Nigel

[App page](https://appshunter.io/ios/app/by-nigel-coaching/id6762087414)

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

**In-app purchases:** none


### CaliPro

[App page](https://appshunter.io/ios/app/calipro/id6762614539)

This app uses AI and on-device pose tracking to analyze your calisthenics form, providing a detailed score and personalized feedback. Film your exercises to receive instant insights and track your progress against other athletes.

**Highlights:** AI form scoring (1-100), On-device pose tracking, Detailed form reports, Personalized fix recommendations, Leaderboards for skill ranking, In-app video recording and trimming

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CaliPro Pro | $6.99 | per 7 days |
| CaliPro Pro | $9.99 | per month |
| Pro Yearly (50% Off) | $39.99 | per year |
| CaliPro Pro | $79.99 | per year |


## Frequently asked questions

### Is by Nigel free?

by Nigel is free to download, with no in-app purchases.

### Is CaliPro free?

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

### Do by Nigel or CaliPro have ads?

Neither by Nigel nor CaliPro shows ads.

### Which is updated more often, by Nigel or CaliPro?

by Nigel ships an update every 4 months, and CaliPro weekly. Most recently, by Nigel was updated on October 21, 2026 and CaliPro on October 2, 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.*