# TrainIQ Timer vs Second Wind

The clearest difference is in-app purchases: TrainIQ Timer at none against Second Wind's 2. Second Wind's advantage is update cadence (every 9 days vs every 3 weeks) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Second Wind sells 2 in-app purchases, starting at $12.99 per month. TrainIQ Timer asks for nothing beyond the download.

TrainIQ Timer ships an update every 3 weeks, Second Wind every 9 days. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | TrainIQ Timer | Second Wind |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 3 MB | 137 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MICHAEL ANTHONY ROBERTS](https://appshunter.io/developer/1890858382) | [FastCart LLC](https://appshunter.io/developer/6803015413) |

## What reviewers say

### TrainIQ Timer

[App page](https://appshunter.io/ios/app/trainiq-timer/id6761770980)

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

**In-app purchases:** none


### Second Wind

[App page](https://appshunter.io/ios/app/second-wind-knee-exercises/id6803015411)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $12.99 | per month |
| Premium Yearly | $59.99 | per year |


## Frequently asked questions

### Is TrainIQ Timer free?

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

### Is Second Wind free?

Second Wind is free to download, with in-app purchases available.

### Do TrainIQ Timer or Second Wind have ads?

Neither TrainIQ Timer nor Second Wind shows ads.

### Which is updated more often, TrainIQ Timer or Second Wind?

TrainIQ Timer ships an update every 3 weeks, and Second Wind every 9 days. Most recently, TrainIQ Timer was updated on October 9, 2026 and Second Wind 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.*