# ChallengeMeTop vs S & I Group

ChallengeMeTop and S & I Group are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

ChallengeMeTop ships an update every 4 weeks, S & I Group every 3 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | ChallengeMeTop | S & I Group |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/s-and-i-group/id6742444875/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 79 MB | 46 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [chme](https://appshunter.io/developer/1749852574) | [Shakro Zoidze](https://appshunter.io/developer/1798425956) |

## What reviewers say

### ChallengeMeTop

[App page](https://appshunter.io/ios/app/challengemetop/id6503660055)

**Features:** macOS Compatibility

**In-app purchases:** none


### S & I Group

[App page](https://appshunter.io/ios/app/s-and-i-group/id6742444875)

Manage elevator access and payments effortlessly. Deposit funds, grant guest access, and track transactions in real time. Supports multiple cards for various locations, ensuring a smooth and secure experience.

**Highlights:** Deposit funds for elevator usage, Grant guest elevator access, Track real-time card transactions, Manage multiple access cards, Secure elevator experience

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

**In-app purchases:** none


## Frequently asked questions

### Is ChallengeMeTop free?

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

### Is S & I Group free?

S & I Group is free to download, with no in-app purchases.

### Do ChallengeMeTop or S & I Group have ads?

Neither ChallengeMeTop nor S & I Group shows ads.

### Which is updated more often, ChallengeMeTop or S & I Group?

ChallengeMeTop ships an update every 4 weeks, and S & I Group every 3 weeks. Most recently, ChallengeMeTop was updated on October 25, 2026 and S & I Group on October 25, 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.*