# ReadiOne by Fatigue Science vs MicDrop Workout Tools

The clearest difference is update cadence: ReadiOne by Fatigue Science at every 2 months against MicDrop Workout Tools's every 3 months. ReadiOne by Fatigue Science also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

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

ReadiOne by Fatigue Science ships an update every 2 months, MicDrop Workout Tools every 3 months. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ReadiOne by Fatigue Science | MicDrop Workout Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (13 ratings)](https://appshunter.io/ios/app/readione-by-fatigue-science/id1042111872/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 62 MB | 3 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fatigue Science](https://appshunter.io/developer/1042111871) | [MarXie Labs LLC](https://appshunter.io/developer/1717255114) |

## What reviewers say

### ReadiOne by Fatigue Science

[App page](https://appshunter.io/ios/app/readione-by-fatigue-science/id1042111872)

This app helps workers visualize their real-time and future fatigue levels using a biomathematical model. It analyzes sleep data to predict performance impacts and identify periods of greatest fatigue risk, ensuring fitness for duty.

**Highlights:** Real-time and future fatigue level visualization (ReadiScores), SAFTE biomathematical sleep analysis, Wearable data integration (Gamin, Fitbit), Sleep forecasting engine (ReadiML), Personal risk assessment for 18 hours ahead, Alerts for critical fatigue levels, Track daily readiness improvements

**Features:** Vision Pro support

**In-app purchases:** none


### MicDrop Workout Tools

[App page](https://appshunter.io/ios/app/micdrop-workout-tools/id6762029404)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ReadiOne by Fatigue Science free?

ReadiOne by Fatigue Science is free to download, with no in-app purchases.

### Is MicDrop Workout Tools free?

MicDrop Workout Tools is free to download, with no in-app purchases.

### Do ReadiOne by Fatigue Science or MicDrop Workout Tools have ads?

Neither ReadiOne by Fatigue Science nor MicDrop Workout Tools shows ads.

### Which is updated more often, ReadiOne by Fatigue Science or MicDrop Workout Tools?

ReadiOne by Fatigue Science ships an update every 2 months, and MicDrop Workout Tools every 3 months. Most recently, ReadiOne by Fatigue Science was updated on November 2, 2026 and MicDrop Workout Tools on November 5, 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.*