# GROUNDUP vs Dotti

The clearest difference is in-app purchases: GROUNDUP at none against Dotti's 5. Dotti's advantage is update cadence (weekly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Dotti sells 5 in-app purchases, starting at $1.99 per month. GROUNDUP asks for nothing beyond the download.

GROUNDUP ships an update every 6 weeks, Dotti weekly. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | GROUNDUP | Dotti |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 167 MB | 100 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 9+ | 12+ |
| Developer | [VIVA Leisure](https://appshunter.io/developer/1474760145) | [BFF Ignite Pty Ltd](https://appshunter.io/developer/6799273511) |

## What reviewers say

### GROUNDUP

[App page](https://appshunter.io/ios/app/groundup/id6479574546)

This app allows users to book fitness classes and manage their accounts for a variety of movement disciplines. It offers a supportive community and expert instructors for all skill levels, with unlimited class options.

**Highlights:** Book fitness classes, Manage user accounts, Variety of class types (Reformer, Pilates, Yoga, Barre), Supportive community, Expert instructors, Unlimited class options

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

**In-app purchases:** none


### Dotti

[App page](https://appshunter.io/ios/app/dotti-private-period-tracker/id6799273509)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $1.99 | per month |
| Premium Monthly | $4.99 | per month |
| Basic Annual | $19.99 | per year |
| Premium Annual | $49.99 | per year |
| Founding Supporter | $149.99 | one-time |


## Frequently asked questions

### Is GROUNDUP free?

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

### Is Dotti free?

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

### Do GROUNDUP or Dotti have ads?

Neither GROUNDUP nor Dotti shows ads.

### Which is updated more often, GROUNDUP or Dotti?

GROUNDUP ships an update every 6 weeks, and Dotti weekly. Most recently, GROUNDUP was updated on October 30, 2026 and Dotti on November 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.*