# Thenx vs AmpShift.ai

The clearest difference is update cadence: Thenx at every 3 days against AmpShift.ai's every 5 days. AmpShift.ai's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Thenx sells 10 in-app purchases, starting at $9.99 per month and AmpShift.ai sells 1 in-app purchase, starting at $59.99 per month. Whichever you choose, the download price is not the number that matters.

Thenx ships an update every 3 days, AmpShift.ai every 5 days. The most recent releases landed on November 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Thenx | AmpShift.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12K ratings)](https://appshunter.io/ios/app/thenx-calisthenics-training/id1192413645/reviews)** | — |
| Number of ratings | **12K** | — |
| Positive reviews | 66.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 174 MB | 28 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Calisthenics Online LLC](https://appshunter.io/developer/1192413644) | [AmpShift Company](https://appshunter.io/developer/1828206130) |

## What reviewers say

### Thenx

[App page](https://appshunter.io/ios/app/thenx-calisthenics-training/id1192413645)

This app offers personalized daily workouts and expert-led programs for calisthenics and bodyweight fitness. Master advanced skills like muscle-ups and handstands, track your progress, and build strength anywhere with no equipment needed.

**Highlights:** Personalized daily workouts, Expert-led training programs, Advanced skill tutorials, Full-body strength training, Progress tracking & muscle analytics, No equipment needed

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Monthly Subscription | $19.99 | per month |
| Yearly Subscription | $89.99 | per year |
| Yearly Subscription | $119.99 | per year |
| Tip | $9.99 | one-time |
| Tip | $14.99 | one-time |
| Tip | $19.99 | one-time |
| Tip | $29.99 | one-time |
| Tip | $49.99 | one-time |
| Tip | $99.99 | one-time |

**What reviewers like**

- 👍 Great workouts
- 🚀 Variety of programs
- 💪 Effective for building strength
- 🤩 Helpful for getting in shape
- 🏆 Challenging but rewarding

**What reviewers complain about**

- 🐛 App crashes and bugs
- 🕰️ Clunky timer and workout tracking
- 🤔 Confusing user interface
- 💰 Paywall locks out content
- 🔍 Lack of beginner-friendly options

**Reported bugs**

- App crashes frequently
- Workout progress not saved
- Timer issues and sync problems
- Difficulty accessing paid content

**Requested features**

- Add Apple Watch app
- Improve workout timer and tracking
- Provide more beginner-friendly programs
- Allow customization of workouts
- Improve app stability and reduce crashes


### AmpShift.ai

[App page](https://appshunter.io/ios/app/ampshiftai/id6760284661)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $59.99 | per month |


## Frequently asked questions

### Is Thenx free?

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

### Is AmpShift.ai free?

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

### Do Thenx or AmpShift.ai have ads?

Neither Thenx nor AmpShift.ai shows ads.

### Which is updated more often, Thenx or AmpShift.ai?

Thenx ships an update every 3 days, and AmpShift.ai every 5 days. Most recently, Thenx was updated on November 6, 2026 and AmpShift.ai on October 13, 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.*