# Skill Series vs E7 Sidekick

The clearest difference is review sentiment: E7 Sidekick at 100% against Skill Series's 0%. Skill Series's advantage is update cadence (every 10 days vs every 5 weeks) and iOS requirement (11.0 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Skill Series ships an update every 10 days, E7 Sidekick every 5 weeks. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Skill Series | E7 Sidekick |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/e7-sidekick/id6746834685/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 78 MB | 67 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [UpSurgeOn](https://appshunter.io/developer/1193542467) | [Travis Ma](https://appshunter.io/developer/995816824) |

## What reviewers say

### Skill Series

[App page](https://appshunter.io/ios/app/skill-series/id1642351463)

Learn and practice essential surgical techniques like microsurgery and anastomoses through guided exercises and video tutorials. This app is specifically designed for medical students and surgery residents to hone their skills.

**Highlights:** Microsurgery exercises, Anastomoses practice, Macrosurgery training, Video tutorials, Skill development

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

**In-app purchases:** none


### E7 Sidekick

[App page](https://appshunter.io/ios/app/e7-sidekick/id6746834685)

Access and search game data offline from your mobile device. This fan-made tool allows you to browse publicly available information without an internet connection.

**Highlights:** Offline data browsing, Search game data, Fan-made tool, Mobile access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Skill Series free?

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

### Is E7 Sidekick free?

E7 Sidekick is free to download, with no in-app purchases.

### Do Skill Series or E7 Sidekick have ads?

Neither Skill Series nor E7 Sidekick shows ads.

### Which is updated more often, Skill Series or E7 Sidekick?

Skill Series ships an update every 10 days, and E7 Sidekick every 5 weeks. Most recently, Skill Series was updated on October 3, 2026 and E7 Sidekick on October 1, 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.*