# Factris vs Bit Trainer

The clearest difference is review sentiment: Bit Trainer at 100% against Factris's 0%. Factris's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.

Factris ships an update every 6 days, Bit Trainer every 9 days. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Factris | Bit Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (4 ratings)](https://appshunter.io/ios/app/factris/id1248555092/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 9 days |
| Monetization | **Free** | Ad-supported |
| Size | 28 MB | 28 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mathematics in Education and Industry](https://appshunter.io/developer/1045060090) | [Sapientia Data Limited](https://appshunter.io/developer/1630711968) |

## What reviewers say

### Factris

[App page](https://appshunter.io/ios/app/factris/id1248555092)

A challenging puzzle game where players reshape falling rectangles based on their factors to pack them efficiently. Improve numeracy and factor knowledge while aiming for a high score in this risk/reward experience.

**Highlights:** Factor-based rectangle reshaping, High score chasing, Numeracy skill improvement, Packing strategy, Challenging gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Bit Trainer

[App page](https://appshunter.io/ios/app/bit-trainer/id1630711966)

Master binary, decimal, and hexadecimal number systems through engaging conversion challenges. This game offers tutorials and practice exercises for beginners and those looking to enhance their mental math skills with a unique approach.

**Highlights:** Binary, Decimal, Hexadecimal conversion, Tutorials on number systems, Practice exercises, Mental calculation improvement, Alternative to traditional math games

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Factris free?

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

### Is Bit Trainer free?

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

### Do Factris or Bit Trainer have ads?

Bit Trainer shows ads; Factris does not.

### Which is updated more often, Factris or Bit Trainer?

Factris ships an update every 6 days, and Bit Trainer every 9 days. Most recently, Factris was updated on October 2, 2026 and Bit Trainer on September 30, 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.*