# Seismic App vs Thundr App

The clearest difference is rating: Seismic App at 4.5 against Thundr App's 3.9. Seismic App also leads on update cadence (every 6 weeks vs every 27 months) and review sentiment (79% vs 64%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Seismic App holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 42 and 13 respectively. Written reviews point the same way: 79% of Seismic App's written reviews are positive against 64% of Thundr App's.

Seismic App ships an update every 6 weeks, Thundr App every 27 months. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Seismic App | Thundr App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (42 ratings)](https://appshunter.io/ios/app/seismic-app/id1466841701/reviews)** | [3.9 (13 ratings)](https://appshunter.io/ios/app/thundr-app/id6480428125/reviews) |
| Number of ratings | **42** | 13 |
| Positive reviews | **78.9% of reviews** | 63.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 27 months |
| Monetization | Free | Free |
| Size | 33 MB | 46 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Working Against Gravity Technologies, LLC](https://appshunter.io/developer/1466841700) | [DSS Sports Group Inc](https://appshunter.io/developer/1738995467) |

## What reviewers say

### Seismic App

[App page](https://appshunter.io/ios/app/seismic-app/id1466841701)

This platform facilitates personalized nutrition coaching, enabling seamless communication between users and their coaches. It supports various dietary choices and helps users achieve specific nutrition goals like muscle gain or performance enhancement.

**Highlights:** Personalized nutrition coaching, Coach-user communication, Dietary guidance (paleo, keto, vegan), Nutrition goal support, Muscle gain, Performance enhancement

**Features:** macOS Compatibility

**In-app purchases:** none


### Thundr App

[App page](https://appshunter.io/ios/app/thundr-app/id6480428125)

Access your training and nutrition plans, join group challenges, and schedule appointments with coaches. This app supports physical training and mental toughness for a winning mindset.

**Highlights:** Workout tracking, Nutrition information access, Group challenges, Scheduled workout viewing, Coach appointment booking

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

**In-app purchases:** none


## Frequently asked questions

### Is Seismic App free?

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

### Is Thundr App free?

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

### Which has better reviews, Seismic App or Thundr App?

Seismic App is rated higher. Seismic App averages 4.5 out of 5 from 42 ratings, while Thundr App averages 3.9 from 13 ratings.

### Do Seismic App or Thundr App have ads?

Neither Seismic App nor Thundr App shows ads.

### Which is updated more often, Seismic App or Thundr App?

Seismic App ships an update every 6 weeks, and Thundr App every 27 months. Most recently, Seismic App was updated on October 17, 2026 and Thundr App on October 24, 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.*