# CASTELGARDEN.GO vs SDProg Tools

The clearest difference is update cadence: SDProg Tools at monthly against CASTELGARDEN.GO's every 3 months. CASTELGARDEN.GO's advantage is iOS requirement (13.0 vs 15.0). 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.

CASTELGARDEN.GO ships an update every 3 months, SDProg Tools monthly. Both last shipped on September 18, 2026.

## The numbers

| Metric | CASTELGARDEN.GO | SDProg Tools |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 160 MB | 24 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [STIGA S.p.A.](https://appshunter.io/developer/1101072795) | [NexDiag Sp z o. o.](https://appshunter.io/developer/1316943345) |

## What reviewers say

### CASTELGARDEN.GO

[App page](https://appshunter.io/ios/app/castelgardengo/id6740234783)

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

**In-app purchases:** none


### SDProg Tools

[App page](https://appshunter.io/ios/app/sdprog-tools/id6741516445)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CASTELGARDEN.GO free?

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

### Is SDProg Tools free?

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

### Do CASTELGARDEN.GO or SDProg Tools have ads?

Neither CASTELGARDEN.GO nor SDProg Tools shows ads.

### Which is updated more often, CASTELGARDEN.GO or SDProg Tools?

CASTELGARDEN.GO ships an update every 3 months, and SDProg Tools monthly. Most recently, CASTELGARDEN.GO was updated on September 18, 2026 and SDProg Tools on September 18, 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.*