# Mercury Retrograde Tracker vs CM Nails

The clearest difference is in-app purchases: CM Nails at none against Mercury Retrograde Tracker's 3. Mercury Retrograde Tracker's advantage is update cadence (every 3 weeks vs every 11 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mercury Retrograde Tracker sells 3 in-app purchases, starting at $1.99 per month. CM Nails asks for nothing beyond the download.

Mercury Retrograde Tracker ships an update every 3 weeks, CM Nails every 11 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Mercury Retrograde Tracker | CM Nails |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (55 ratings)](https://appshunter.io/ios/app/mercury-retrograde-tracker/id6443472258/reviews)** | — |
| Number of ratings | **55** | — |
| Positive reviews | 30.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 11 months |
| Monetization | Freemium | — |
| Size | 29 MB | 76 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Infinite Wave Media, LLC](https://appshunter.io/developer/495187294) | [Styler Digital Limited](https://appshunter.io/developer/1506387468) |

## What reviewers say

### Mercury Retrograde Tracker

[App page](https://appshunter.io/ios/app/mercury-retrograde-tracker/id6443472258)

Stay ahead of astrological disruptions with this tool that tracks Mercury retrograde dates. Receive advance notifications, access personalized horoscopes, and use the note-taking feature to reflect on each period. Plan your life and avoid potential issues caused by planetary shifts.

**Highlights:** Mercury retrograde event dates, Personalized horoscopes, Advance event notifications, Note-taking for retrograde periods, Astrology forecasts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Annual | $9.99 | per year |
| Pro Lifetime | $14.99 | one-time |


### CM Nails

[App page](https://appshunter.io/ios/app/cm-nails/id6474021841)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Mercury Retrograde Tracker free?

Mercury Retrograde Tracker is free to download, with in-app purchases available.

### Is CM Nails free?

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

### Do Mercury Retrograde Tracker or CM Nails have ads?

Neither Mercury Retrograde Tracker nor CM Nails shows ads.

### Which is updated more often, Mercury Retrograde Tracker or CM Nails?

Mercury Retrograde Tracker ships an update every 3 weeks, and CM Nails every 11 months. Most recently, Mercury Retrograde Tracker was updated on October 24, 2026 and CM Nails on October 10, 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.*