# Kettlebell Functional Training vs Single Standard

The clearest difference is in-app purchases: Single Standard at none against Kettlebell Functional Training's 8. Single Standard also leads on update cadence (every 10 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Kettlebell Functional Training sells 8 in-app purchases, starting at $19.99 per month. Single Standard asks for nothing beyond the download.

Kettlebell Functional Training ships an update every 2 months, Single Standard every 10 days. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Kettlebell Functional Training | Single Standard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (248 ratings)](https://appshunter.io/ios/app/kettlebell-functional-training/id1603885876/reviews)** | — |
| Number of ratings | **248** | — |
| Positive reviews | 70.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 93 MB | 67 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Adriell Mayes](https://appshunter.io/developer/1603885878) | [The Single Standard Injury Prevention and Physical Therapy PLLC](https://appshunter.io/developer/6801801971) |

## What reviewers say

### Kettlebell Functional Training

[App page](https://appshunter.io/ios/app/kettlebell-functional-training/id1603885876)

Achieve your fitness goals with custom workout programs designed for an integrated, balanced approach. This app focuses on varied exercises to prevent injuries and plateaus, maximizing your results and motivating you to move, look, and feel your best.

**Highlights:** Custom workout programs, Integrated, balanced approach, Exercise variety, Injury risk minimization, Plateau prevention, Motivation tools

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memberships | $19.99 | per month |
| Single Kettlebell Program | $79.99 | one-time |
| Single-kettlebell Circuit | $79.99 | one-time |
| Mobility & Kettlebell Flows | $84.99 | one-time |
| Single Kettlebell Functional | $89.99 | one-time |
| Functional Muscle Building | $99.99 | one-time |
| Kettlebells & Bodyweight | $99.99 | one-time |
| Posterior Chain Strength | $99.99 | one-time |

**What reviewers like**

- 👍 Excellent kettlebell programs
- 👍 Inspiring and motivating workouts
- 👍 Great for building strength and muscle
- 👍 High-quality content
- 👍 Easy to follow lessons

**What reviewers complain about**

- 💰 Price is ridiculous
- 👎 No explanation of exercises
- 👎 No option to adjust repetitions
- 👎 Beginner course not beginner-friendly
- 👎 Some videos don't pop up

**Reported bugs**

- 🐛 Program week missing days
- 🐛 Some videos don't pop up
- 🐛 Videos not edited to show exact flow
- 🐛 In-app videos don't work for some plans

**Requested features**

- 💡 Ability to favorite exercises
- 💡 Input kettlebell weight and track progression
- 💡 Recommended beginner weights/tiers
- 💡 Recommended RPE per set
- 💡 Coaching cues for exercises


### Single Standard

[App page](https://appshunter.io/ios/app/single-standard/id6801801969)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kettlebell Functional Training free?

Kettlebell Functional Training is free to download, with in-app purchases available.

### Is Single Standard free?

Single Standard is free to download, with no in-app purchases.

### Do Kettlebell Functional Training or Single Standard have ads?

Neither Kettlebell Functional Training nor Single Standard shows ads.

### Which is updated more often, Kettlebell Functional Training or Single Standard?

Kettlebell Functional Training ships an update every 2 months, and Single Standard every 10 days. Most recently, Kettlebell Functional Training was updated on October 12, 2026 and Single Standard on October 16, 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.*