# Exercise Workout Timer vs Indoor Humidity Predictor

The clearest difference is price: Exercise Workout Timer at Free against Indoor Humidity Predictor's $3.99. Indoor Humidity Predictor's advantage is ads (none vs shown) and update cadence (monthly vs every 3 months). On in-app purchases, device support and iOS requirement there is nothing between them.

Exercise Workout Timer is free to download; Indoor Humidity Predictor costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Exercise Workout Timer ships an update every 3 months, Indoor Humidity Predictor monthly. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Exercise Workout Timer | Indoor Humidity Predictor |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[2.0 (4 ratings)](https://appshunter.io/ios/app/indoor-humidity-predictor/id6748092001/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Paid |
| Size | 5 MB | 19 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ihsan Ullah](https://appshunter.io/developer/1488089071) | [Constant Heritage, LLC](https://appshunter.io/developer/1206999958) |

## What reviewers say

### Exercise Workout Timer

[App page](https://appshunter.io/ios/app/exercise-workout-timer/id1643699163)

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

**In-app purchases:** none


### Indoor Humidity Predictor

[App page](https://appshunter.io/ios/app/indoor-humidity-predictor/id6748092001)

Transform your iPhone into a smart hygrometer to measure indoor humidity levels without extra hardware. Track air quality, protect wooden instruments, care for houseplants, and manage allergies with quick scans and actionable tips.

**Highlights:** Measure indoor humidity with phone sensors, Track air quality and health impacts, Protect wooden instruments and houseplants, Receive smart recommendations for air quality, Monitor humidity trends over time, Works offline after initial setup

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Exercise Workout Timer free?

Exercise Workout Timer is free to download, with no in-app purchases.

### Is Indoor Humidity Predictor free?

Indoor Humidity Predictor costs $3.99, with no in-app purchases.

### Do Exercise Workout Timer or Indoor Humidity Predictor have ads?

Exercise Workout Timer shows ads; Indoor Humidity Predictor does not.

### Which is updated more often, Exercise Workout Timer or Indoor Humidity Predictor?

Exercise Workout Timer ships an update every 3 months, and Indoor Humidity Predictor monthly. Most recently, Exercise Workout Timer was updated on September 20, 2026 and Indoor Humidity Predictor on September 18, 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.*