# SuperSlowTrainingTimer vs TruFIT20 Studio

The clearest difference is in-app purchases: TruFIT20 Studio at none against SuperSlowTrainingTimer's 1. TruFIT20 Studio also leads on ads (none vs shown) and iOS requirement (16.4 vs 18.0). SuperSlowTrainingTimer's advantage is update cadence (every 3 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. SuperSlowTrainingTimer sells 1 one-off in-app purchase. TruFIT20 Studio asks for nothing beyond the download.

SuperSlowTrainingTimer ships an update every 3 weeks, TruFIT20 Studio every 4 months. The most recent releases landed on October 23, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | SuperSlowTrainingTimer | TruFIT20 Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/superslowtrainingtimer/id1611303827/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 122 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [KENICHI YAMAMOTO](https://appshunter.io/developer/1335325739) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### SuperSlowTrainingTimer

[App page](https://appshunter.io/ios/app/superslowtrainingtimer/id1611303827)

This app guides you through slow training exercises with voice and screen prompts for lifting, holding, and lowering. Create custom training menus with adjustable repetitions, sets, and intervals. Supports background operation and dark mode for convenient use during workouts.

**Highlights:** Voice and screen counting for movements, Customizable training menus, Adjustable reps, sets, and intervals, Background operation support, Dark mode display, Silent mode operation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADs | $3.99 | one-time |


### TruFIT20 Studio

[App page](https://appshunter.io/ios/app/trufit20-studio/id6767682474)

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

**In-app purchases:** none


## Frequently asked questions

### Is SuperSlowTrainingTimer free?

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

### Is TruFIT20 Studio free?

TruFIT20 Studio is free to download, with no in-app purchases.

### Do SuperSlowTrainingTimer or TruFIT20 Studio have ads?

SuperSlowTrainingTimer shows ads; TruFIT20 Studio does not.

### Which is updated more often, SuperSlowTrainingTimer or TruFIT20 Studio?

SuperSlowTrainingTimer ships an update every 3 weeks, and TruFIT20 Studio every 4 months. Most recently, SuperSlowTrainingTimer was updated on October 23, 2026 and TruFIT20 Studio on October 4, 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.*