G vs S & I Group
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
G
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G-Book is a unique application that allows your customers to find you easily and efficiently, save your details in favorites, automatically send your details to customers, combined with a fast and efficient QR code reader.
S & I Group
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.
- Deposit funds for elevator usage
- Grant guest elevator access
- Track real-time card transactions
- Manage multiple access cards
- Secure elevator experience
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Easily manage your elevator access and payments with the S & I Group! Designed for convenience, our app allows users to: Deposit Funds – Add money to your account for seamless elevator usage. Guest Access – Allow guests to use the elevator with just a few taps. Transaction History – Track and manage all your card transactions in real time. Multi-Card Support – Add and manage multiple cards for different locations. Built by LTD S & I Group, a trusted name in the industry since 2013, our app ensures a smooth and secure elevator experience for all users. Download now and take full control of your elevator access!
Screenshots
Verdict
The clearest difference is update cadence: G at every 5 days against S & I Group's every 3 weeks. G also leads on iOS requirement (9.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
G ships an update every 5 days, S & I Group every 3 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | G | S & I Group |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 16 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Guy Machluf | Shakro Zoidze |
In-app purchases
G
No in-app purchases
S & I Group
No in-app purchases
