# Time Under Tension vs SHIFT with Jamie

The clearest difference is in-app purchases: Time Under Tension at none against SHIFT with Jamie's 2. SHIFT with Jamie's advantage is update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SHIFT with Jamie sells 2 in-app purchases, starting at $99.99 per month. Time Under Tension asks for nothing beyond the download.

Time Under Tension ships an update every 3 months, SHIFT with Jamie monthly. The most recent releases landed on October 21, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Time Under Tension | SHIFT with Jamie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (16 ratings)](https://appshunter.io/ios/app/time-under-tension/id1638040069/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 121 MB | 67 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) | [Organic Jamie Inc](https://appshunter.io/developer/1824682708) |

## What reviewers say

### Time Under Tension

[App page](https://appshunter.io/ios/app/time-under-tension/id1638040069)

This app fuses Pilates-inspired movements with strength training and cardio, focusing on tempo to engage different muscle fibers. It offers on-demand videos and online or in-person classes to provide a full-body workout.

**Highlights:** Pilates-inspired movements, Strength training and cardio fusion, Tempo-focused workouts, Engages fast and slow twitch muscle fibers, On-demand video classes, Online and in-person class options

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

**In-app purchases:** none


### SHIFT with Jamie

[App page](https://appshunter.io/ios/app/shift-with-jamie/id6748228747)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $99.99 | per month |
| Annual Subscription | $999.99 | per year |


## Frequently asked questions

### Is Time Under Tension free?

Time Under Tension is free to download, with no in-app purchases.

### Is SHIFT with Jamie free?

SHIFT with Jamie is free to download, with in-app purchases available.

### Do Time Under Tension or SHIFT with Jamie have ads?

Neither Time Under Tension nor SHIFT with Jamie shows ads.

### Which is updated more often, Time Under Tension or SHIFT with Jamie?

Time Under Tension ships an update every 3 months, and SHIFT with Jamie monthly. Most recently, Time Under Tension was updated on October 21, 2026 and SHIFT with Jamie on October 30, 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.*