# Time Under Tension vs HyperFlow

The clearest difference is device support: HyperFlow at 4 against Time Under Tension's 2. HyperFlow also leads on iOS requirement (15.1 vs 18.5). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Time Under Tension sells 2 in-app purchases, starting at $3.99 per month and HyperFlow sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Time Under Tension ships an update every 5 days, HyperFlow every 4 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Time Under Tension | HyperFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/time-under-tension-gym-timer/id6751932698/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 12 MB | 68 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [SIMON NGIN](https://appshunter.io/developer/1828355382) | [Oliwia Ratajczak](https://appshunter.io/developer/6777810849) |

## What reviewers say

### Time Under Tension

[App page](https://appshunter.io/ios/app/time-under-tension-gym-timer/id6751932698)

This app teaches smart training techniques based on the science of tempo, helping you build muscle, recover faster, and prevent injuries. It offers research-backed protocols for every rep, making your workouts more effective.

**Highlights:** Tempo-controlled workout guidance, Research-backed training protocols, Injury prevention techniques, Accelerated recovery methods, Customizable workout phases, Evidence-based program delivery

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Time under Tension Pro Monthly | $3.99 | per month |
| Time under Tension Pro Yearly | $29.99 | per year |


### HyperFlow

[App page](https://appshunter.io/ios/app/hyperflow-hypertrophy-coach/id6777810847)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HyperFlow Max — Monthly | $12.99 | per month |
| HyperFlow Max — Yearly | $49.99 | per year |


## Frequently asked questions

### Is Time Under Tension free?

Time Under Tension is free to download, with in-app purchases available.

### Is HyperFlow free?

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

### Do Time Under Tension or HyperFlow have ads?

Neither Time Under Tension nor HyperFlow shows ads.

### Which is updated more often, Time Under Tension or HyperFlow?

Time Under Tension ships an update every 5 days, and HyperFlow every 4 days. Most recently, Time Under Tension was updated on October 30, 2026 and HyperFlow on October 28, 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.*