# Vita Epsilon vs BiteBook

The clearest difference is update cadence: Vita Epsilon at weekly against BiteBook's every 3 months. Vita Epsilon also leads on iOS requirement (11.0 vs 17). 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.

Vita Epsilon ships an update weekly, BiteBook every 3 months. The most recent releases landed on September 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Vita Epsilon | BiteBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 7 MB | 2 MB |
| Requires iOS | **11.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [nikos mantis](https://appshunter.io/developer/1265829948) | [Anastasiia Malinina](https://appshunter.io/developer/1720435896) |

## What reviewers say

### Vita Epsilon

[App page](https://appshunter.io/ios/app/vita-epsilon/id6453518771)

**Features:** macOS Compatibility

**In-app purchases:** none


### BiteBook

[App page](https://appshunter.io/ios/app/bitebook/id6747762815)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vita Epsilon free?

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

### Is BiteBook free?

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

### Do Vita Epsilon or BiteBook have ads?

Neither Vita Epsilon nor BiteBook shows ads.

### Which is updated more often, Vita Epsilon or BiteBook?

Vita Epsilon ships an update weekly, and BiteBook every 3 months. Most recently, Vita Epsilon was updated on September 16, 2026 and BiteBook on October 6, 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.*