# Tacho vs STACK DAYS Elite Training

The clearest difference is price: STACK DAYS Elite Training at Free against Tacho's $4.99. Tacho's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

STACK DAYS Elite Training is free to download; Tacho costs $4.99 up front. STACK DAYS Elite Training sells 1 in-app purchase, starting at $249.00 per month. Tacho asks for nothing beyond the download.

Tacho ships an update every 6 weeks, STACK DAYS Elite Training every 2 months. The most recent releases landed on October 2, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Tacho | STACK DAYS Elite Training |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/tacho/id1458913257/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 73.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Paid | — |
| Size | 7 MB | 52 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Friedemann Bartels](https://appshunter.io/developer/1458913256) | [Mobile Trainer, LLC](https://appshunter.io/developer/1793616106) |

## What reviewers say

### Tacho

[App page](https://appshunter.io/ios/app/tacho/id1458913257)

Track your cycling workouts with this app, which functions as a bike computer on your Apple Watch and iPhone. It records key metrics like speed, heart rate, and elevation, syncing data to Apple Health.

**Highlights:** Bike computer functionality, Track speed, heart rate, elevation, Syncs with Apple Health, Auto-pause feature, Barometric altimeter for accuracy, Real-time weather data

**Features:** Apple Watch app

**In-app purchases:** none


### STACK DAYS Elite Training

[App page](https://appshunter.io/ios/app/stack-days-elite-training/id6741225635)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STACK PRO | $249.00 | per month |


## Frequently asked questions

### Is Tacho free?

Tacho costs $4.99, with no in-app purchases.

### Is STACK DAYS Elite Training free?

STACK DAYS Elite Training is free to download, with in-app purchases available.

### Do Tacho or STACK DAYS Elite Training have ads?

Neither Tacho nor STACK DAYS Elite Training shows ads.

### Which is updated more often, Tacho or STACK DAYS Elite Training?

Tacho ships an update every 6 weeks, and STACK DAYS Elite Training every 2 months. Most recently, Tacho was updated on October 2, 2026 and STACK DAYS Elite Training on September 20, 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.*