# SimTunnel Pro vs Collections Database

The clearest difference is price: Collections Database at Free against SimTunnel Pro's $1.99. Collections Database also leads on update cadence (fortnightly vs every 39 months) and device support (4 vs 2). SimTunnel Pro's advantage is in-app purchases (none vs 3). On ads and iOS requirement there is nothing between them.

Collections Database is free to download; SimTunnel Pro costs $1.99 up front. Collections Database sells 3 one-off in-app purchases. SimTunnel Pro asks for nothing beyond the download.

SimTunnel Pro ships an update every 39 months, Collections Database fortnightly. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SimTunnel Pro | Collections Database |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.6 (187 ratings)](https://appshunter.io/ios/app/collections-database/id1568395334/reviews)** |
| Number of ratings | — | **187** |
| Positive reviews | — | 87.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 39 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 25 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Roozbeh Geraili Mikola](https://appshunter.io/developer/1403201499) | [Matteo D'Ignazio](https://appshunter.io/developer/634863524) |

## What reviewers say

### SimTunnel Pro

[App page](https://appshunter.io/ios/app/simtunnel-pro/id1493879721)

**In-app purchases:** none


### Collections Database

[App page](https://appshunter.io/ios/app/collections-database/id1568395334)

Organize anything with a personal database app. It offers over 20 field types, customizable layouts, and pre-built templates for common uses like books or expenses. Advanced features and iCloud sync are available.

**Highlights:** 20+ field types (text, number, picture, barcode, etc.), Customizable fields and display styles, Pre-built templates (books, contacts, expenses, etc.), Organize with collections and subcollections, Password, Face ID, and Touch ID protection, iCloud synchronization across devices, Advanced fields and calculations (Pro version)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Collections Ultra (Upgrade) | $1.99 | one-time |
| Collections Pro | $7.99 | one-time |
| Collections Ultra | $9.99 | one-time |

**What reviewers like**

- 👍 Flexible and customizable
- 🚀 Powerful and feature-rich
- 💡 Excellent integration with Apple ecosystem
- 🔒 Secure and private data storage
- 💰 Good value for money

**What reviewers complain about**

- 🐛 Occasional crashes and sync issues
- 📚 Lacking comprehensive documentation
- 🔍 Limited search and filtering capabilities
- 🔀 Difficulty moving/copying data between collections

**Reported bugs**

- Keyboard issues when using search
- Inconsistent behavior between iOS and macOS versions

**Requested features**

- Collaborative features for sharing databases
- More advanced reporting and visualization options
- Improved import/export functionality
- Ability to customize the appearance and layout


## Frequently asked questions

### Is SimTunnel Pro free?

SimTunnel Pro costs $1.99, with no in-app purchases.

### Is Collections Database free?

Collections Database is free to download, with in-app purchases available.

### Do SimTunnel Pro or Collections Database have ads?

Neither SimTunnel Pro nor Collections Database shows ads.

### Which is updated more often, SimTunnel Pro or Collections Database?

SimTunnel Pro ships an update every 39 months, and Collections Database fortnightly. Most recently, SimTunnel Pro was updated on October 3, 2026 and Collections Database 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.*