# JetBlack Trainer vs Mix My Bottle

The clearest difference is review sentiment: Mix My Bottle at 100% against JetBlack Trainer's 11%. Mix My Bottle also leads on rating (5.0 vs 2.6) and ads (none vs shown). JetBlack Trainer's advantage is price (Free vs $2.99) and ratings volume (5 vs 1). On in-app purchases and device support there is nothing between them.

JetBlack Trainer is free to download; Mix My Bottle costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mix My Bottle holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: JetBlack Trainer has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 11% of JetBlack Trainer's written reviews are positive against 100% of Mix My Bottle's.

JetBlack Trainer ships an update every 7 months, Mix My Bottle weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | JetBlack Trainer | Mix My Bottle |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/jetblack-trainer/id1595969097/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mix-my-bottle/id6808853329/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 11.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | **Ad-supported** | Paid |
| Size | 153 MB | 3 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JetBlack Products Pty Ltd](https://appshunter.io/developer/1181803244) | [Alberto Martinez-Alvarez](https://appshunter.io/developer/6808853331) |

## What reviewers say

### JetBlack Trainer

[App page](https://appshunter.io/ios/app/jetblack-trainer/id1595969097)

Connect and manage your smart cycling trainer with this app. Designed by a professional coach, it helps you optimize your training sessions. Compatible with various Apple devices.

**Highlights:** Connect and manage smart trainer, Designed by professional coach, Optimize training sessions, Compatible with iPhone, iPad, iPod

**In-app purchases:** none


### Mix My Bottle

[App page](https://appshunter.io/ios/app/mix-my-bottle/id6808853329)

Calculate custom sports drinks for cycling, running, and triathlon. Input bottle size, desired carbs per hour, and duration to get ingredient weights, sodium content, and osmolality estimates. Supports various ingredients and sodium targets for optimal hydration.

**Highlights:** Customizable carbohydrate targets, Adjustable glucose:fructose ratios, Multiple ingredient options, Variable sodium targets, Osmolality estimation, Batch mode for premixes, Recipe sharing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JetBlack Trainer free?

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

### Is Mix My Bottle free?

Mix My Bottle costs $2.99, with no in-app purchases.

### Which has better reviews, JetBlack Trainer or Mix My Bottle?

Mix My Bottle is rated higher. JetBlack Trainer averages 2.6 out of 5 from 5 ratings, while Mix My Bottle averages 5.0 from 1 ratings.

### Do JetBlack Trainer or Mix My Bottle have ads?

JetBlack Trainer shows ads; Mix My Bottle does not.

### Which is updated more often, JetBlack Trainer or Mix My Bottle?

JetBlack Trainer ships an update every 7 months, and Mix My Bottle weekly. Most recently, JetBlack Trainer was updated on November 3, 2026 and Mix My Bottle on October 31, 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.*