# JustTrain by Haredev vs Thermos Pro

The clearest difference is in-app purchases: Thermos Pro at none against JustTrain by Haredev's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. JustTrain by Haredev sells 3 one-off in-app purchases. Thermos Pro asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | JustTrain by Haredev | Thermos Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 41 MB |
| Requires iOS | **15** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HareDev LTD](https://appshunter.io/developer/623584742) | [Prabal Verma](https://appshunter.io/developer/1751691320) |

## What reviewers say

### JustTrain by Haredev

[App page](https://appshunter.io/ios/app/justtrain-by-haredev/id1316399507)

This app helps fitness professionals manage clients, schedule sessions, and track progress. It offers business reporting, secure data backup, and offline functionality. Boost your brand and streamline operations with this comprehensive tool.

**Highlights:** Client discovery and service trials, Easy scheduling for clients and personal time, Client progress tracking and training optimization, Brand enhancement with technology, Business financial reporting, Secure data backup, Offline functionality

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Concierge Credits | $2.99 | one-time |
| 10 Concierge Credits | $4.99 | one-time |
| 20 Concierge Credits | $8.99 | one-time |


### Thermos Pro

[App page](https://appshunter.io/ios/app/thermos-pro-bluetooth-print/id6738410444)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JustTrain by Haredev free?

JustTrain by Haredev is free to download, with in-app purchases available.

### Is Thermos Pro free?

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

### Do JustTrain by Haredev or Thermos Pro have ads?

Neither JustTrain by Haredev nor Thermos Pro shows ads.

### Which is updated more often, JustTrain by Haredev or Thermos Pro?

JustTrain by Haredev ships an update every 3 weeks, and Thermos Pro every 3 weeks. Most recently, JustTrain by Haredev was updated on November 2, 2026 and Thermos Pro on October 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.*