# Sherlock Performance AI vs iSOLID

The clearest difference is update cadence: iSOLID at every 4 days against Sherlock Performance AI's every 2 weeks. Sherlock Performance AI's advantage is iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sherlock Performance AI ships an update every 2 weeks, iSOLID every 4 days. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Sherlock Performance AI | iSOLID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sherlock-performance-ai/id1572941246/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 133 MB | 19 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [XCalibrate](https://appshunter.io/developer/1572941248) | [Nikolai Borisov](https://appshunter.io/developer/1838085350) |

## What reviewers say

### Sherlock Performance AI

[App page](https://appshunter.io/ios/app/sherlock-performance-ai/id1572941246)

This AI-powered coaching app offers personalized development journeys for employees and managers. It utilizes generative AI and proven methods to foster growth, resilience, and performance. The platform also provides analytics for leaders and extensive learning resources.

**Highlights:** AI-powered personalized coaching journeys, Accelerated performance coaching, Transformative coaching for resilience and agility, Breakthrough coaching for daily challenges, AI analytics for workforce development, Extensive learning aids and resources, Enterprise-grade privacy and security

**In-app purchases:** none


### iSOLID

[App page](https://appshunter.io/ios/app/isolid-learn-programming/id6752113008)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sherlock Performance AI free?

Sherlock Performance AI is free to download, with no in-app purchases.

### Is iSOLID free?

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

### Do Sherlock Performance AI or iSOLID have ads?

Neither Sherlock Performance AI nor iSOLID shows ads.

### Which is updated more often, Sherlock Performance AI or iSOLID?

Sherlock Performance AI ships an update every 2 weeks, and iSOLID every 4 days. Most recently, Sherlock Performance AI was updated on September 22, 2026 and iSOLID on September 13, 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.*