# Optimal Trainer vs BiteChat

The clearest difference is update cadence: Optimal Trainer at every 4 days against BiteChat's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Optimal Trainer sells 4 in-app purchases, starting at $2.99 per 7 days and BiteChat sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Optimal Trainer ships an update every 4 days, BiteChat every 3 weeks. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Optimal Trainer | BiteChat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 81 MB | 65 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [AppFriend Pty Ltd](https://appshunter.io/developer/1842185843) | [Rizk Gendy](https://appshunter.io/developer/6788119762) |

## What reviewers say

### Optimal Trainer

[App page](https://appshunter.io/ios/app/optimal-trainer/id6753577364)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Base Weekly Plan | $2.99 | per 7 days |
| Platinum Weekly Plan | $5.99 | per 7 days |
| Optimal Trainer Base Monthly | $12.99 | per month |
| Platinum 1_1 Coaching | $49.99 | per month |


### BiteChat

[App page](https://appshunter.io/ios/app/bitechat-ai-calorie-tracker/id6788119760)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bitechat Pro Monthly | $6.99 | per month |
| Bitechat Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Optimal Trainer free?

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

### Is BiteChat free?

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

### Do Optimal Trainer or BiteChat have ads?

Neither Optimal Trainer nor BiteChat shows ads.

### Which is updated more often, Optimal Trainer or BiteChat?

Optimal Trainer ships an update every 4 days, and BiteChat every 3 weeks. Most recently, Optimal Trainer was updated on October 14, 2026 and BiteChat on October 8, 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.*