# mTrigger Flex Sledding vs Atmosphere Trivia

The clearest difference is rating: Atmosphere Trivia at 4.8 against mTrigger Flex Sledding's 2.6. Atmosphere Trivia also leads on review sentiment (67% vs 33%) and update cadence (every 3 weeks vs every 5 months). 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.

Atmosphere Trivia holds the better App Store score, 4.8 against 2.6. That said, the two scores are not equally well evidenced: Atmosphere Trivia has 15K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 33% of mTrigger Flex Sledding's written reviews are positive against 67% of Atmosphere Trivia's.

mTrigger Flex Sledding ships an update every 5 months, Atmosphere Trivia every 3 weeks. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | mTrigger Flex Sledding | Atmosphere Trivia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/mtrigger-flex-sledding/id1438462797/reviews) | **[4.8 (15K ratings)](https://appshunter.io/ios/app/atmosphere-trivia/id1671630544/reviews)** |
| Number of ratings | 5 | **15K** |
| Positive reviews | 33.3% of reviews | **67.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Best chart rank | — | **#14** |
| Size | 157 MB | 37 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [mTrigger](https://appshunter.io/developer/1240335568) | [Rarefied Atmosphere, Inc.](https://appshunter.io/developer/1557287819) |

## What reviewers say

### mTrigger Flex Sledding

[App page](https://appshunter.io/ios/app/mtrigger-flex-sledding/id1438462797)

Turn your biofeedback exercises into an engaging game. This app uses your muscle flexes to control in-game actions, like avoiding obstacles and collecting rewards. Customize exercise parameters for a personalized therapeutic gaming experience.

**Highlights:** Gamified biofeedback therapy, Use mTrigger device as controller, Muscle flex controls gameplay, Avoid obstacles and collect medals, Customize exercise time and reps

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

**In-app purchases:** none


### Atmosphere Trivia

[App page](https://appshunter.io/ios/app/atmosphere-trivia/id1671630544)

**Currently charting:** #14 Top Free · Trivia, #66 Top Free · Strategy (US App Store)

Engage in a fun, interactive trivia game show experience with thousands of questions across various categories. Compete with friends or other players, join live games at specific locations, or play from home. Special weekly events offer chances to win real cash prizes.

**Highlights:** Thousands of trivia questions, Multiple game categories, Live location-based games, Play from home with friends, Weekly global takeover events, Win real cash prizes

**In-app purchases:** none

**What reviewers like**

- 🎉 Fun and engaging trivia
- 👍 Easy to use app
- 💡 Novel gameplay mechanics
- 🤩 Captivating and entertaining

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- ⏱️ Time pressure too fast
- 🤔 Incorrect or grammatically poor questions
- 🚫 Forced phone number requirement

**Reported bugs**

- Inability to cash out points
- Scores not tracking accurately
- Trouble logging in or creating account
- Venue codes not working

**Requested features**

- Ability to report incorrect questions
- More detailed explanations for answers
- Option to disable GIFs
- Improved performance and stability


## Frequently asked questions

### Is mTrigger Flex Sledding free?

mTrigger Flex Sledding is free to download, with no in-app purchases.

### Is Atmosphere Trivia free?

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

### Which has better reviews, mTrigger Flex Sledding or Atmosphere Trivia?

Atmosphere Trivia is rated higher. mTrigger Flex Sledding averages 2.6 out of 5 from 5 ratings, while Atmosphere Trivia averages 4.8 from 15K ratings.

### Do mTrigger Flex Sledding or Atmosphere Trivia have ads?

Neither mTrigger Flex Sledding nor Atmosphere Trivia shows ads.

### Which is updated more often, mTrigger Flex Sledding or Atmosphere Trivia?

mTrigger Flex Sledding ships an update every 5 months, and Atmosphere Trivia every 3 weeks. Most recently, mTrigger Flex Sledding was updated on October 10, 2026 and Atmosphere Trivia on October 17, 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.*