# TFDB Transformers fan database vs Sci

The clearest difference is review sentiment: TFDB Transformers fan database at 100% against Sci's 0%. TFDB Transformers fan database also leads on rating (4.3 vs 3.6) and in-app purchases (none vs 22). Sci's advantage is update cadence (every 3 weeks vs every 2 months). On price, ratings volume and device support there is nothing between them.

Both are free to download. Sci sells 22 in-app purchases, starting at $2.99 per month. TFDB Transformers fan database asks for nothing beyond the download.

TFDB Transformers fan database holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 100% of TFDB Transformers fan database's written reviews are positive against 0% of Sci's.

TFDB Transformers fan database ships an update every 2 months, Sci every 3 weeks. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | TFDB Transformers fan database | Sci |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/tfdb-transformers-fan-database/id892582934/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/sci-fi-writers-companion/id6742932039/reviews) |
| Number of ratings | **6** | 5 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 297 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Pluribus Web LLC](https://appshunter.io/developer/883212120) | [Alexander Winn](https://appshunter.io/developer/652547902) |

## What reviewers say

### TFDB Transformers fan database

[App page](https://appshunter.io/ios/app/tfdb-transformers-fan-database/id892582934)

This app serves as a comprehensive database for fans of the Transformers franchise. It provides detailed information on characters, vehicles, and other aspects of the universe, curated by the fan community.

**Highlights:** Transformers character database, Vehicle information, Fan-curated content, Lore details, Comprehensive franchise information

**Features:** macOS Compatibility

**In-app purchases:** none


### Sci

[App page](https://appshunter.io/ios/app/sci-fi-writers-companion/id6742932039)

This app helps users create science fiction worlds by generating elements like starships, alien species, and societies. It offers tools for detailed customization and full-text backstory generation, with options for character portraits and environmental art.

**Highlights:** Specialized generators for sci-fi elements, Customizable generator creation, Full-text backstory and detail generation, Character portrait generation, Environmental concept art generation, Worldbuilding tools for writers and GMs

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

**In-app purchases (22)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Subscription (Monthly) | $2.99 | per month |
| Pro Subscription (Monthly) | $5.99 | per month |
| Pro Subscription (Monthly) | $7.99 | per month |
| Pro Subscription (Monthly) | $9.99 | per month |
| Pro Subscription (Yearly) | $79.99 | per year |
| Pro Subscription (Yearly) | $99.99 | per year |
| Alien Creatures Generator | $0.99 | one-time |
| Post-Apocalyptic Communities | $0.99 | one-time |
| Space Battles Generator | $0.99 | one-time |
| Alien Plants Generator | $0.99 | one-time |
| Robots & Droids Generator | $0.99 | one-time |
| Space Fleets Generator | $0.99 | one-time |
| Starships Generator | $0.99 | one-time |
| Star Knights Generator | $0.99 | one-time |
| Exploration Missions Generator | $0.99 | one-time |
| Space Marines Generator | $0.99 | one-time |
| Steampunk Characters Generator | $0.99 | one-time |
| Post-Apocalyptic Survivors | $0.99 | one-time |
| Zombies Generator | $0.99 | one-time |
| Infinite Custom Generators | $1.99 | one-time |
| Vehicles & Weapons Bundle | $2.99 | one-time |
| All Generators | $9.99 | one-time |


## Frequently asked questions

### Is TFDB Transformers fan database free?

TFDB Transformers fan database is free to download, with no in-app purchases.

### Is Sci free?

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

### Which has better reviews, TFDB Transformers fan database or Sci?

TFDB Transformers fan database is rated higher. TFDB Transformers fan database averages 4.3 out of 5 from 6 ratings, while Sci averages 3.6 from 5 ratings.

### Which is updated more often, TFDB Transformers fan database or Sci?

TFDB Transformers fan database ships an update every 2 months, and Sci every 3 weeks. Most recently, TFDB Transformers fan database was updated on October 4, 2026 and Sci on October 2, 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.*