# Training Arc vs Stackd

The clearest difference is in-app purchases: Stackd at none against Training Arc's 6. Stackd also leads on update cadence (daily vs fortnightly) and rating (5.0 vs 4.8). Training Arc's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 26.2). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Training Arc sells 6 in-app purchases, starting at $9.99 per month. Stackd asks for nothing beyond the download.

Stackd holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Training Arc ships an update fortnightly, Stackd daily. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Training Arc | Stackd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/training-arc-hypertrophy-app/id6478929961/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stackd-ai-workout-tracker/id6760304570/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Freemium | **Free** |
| Size | 162 MB | 9 MB |
| Requires iOS | **15.5** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Boring Buffs LLC](https://appshunter.io/developer/1734481201) | [Jovan Petrovic](https://appshunter.io/developer/1827616732) |

## What reviewers say

### Training Arc

[App page](https://appshunter.io/ios/app/training-arc-hypertrophy-app/id6478929961)

This app helps you train smarter by tracking your progress and providing insights into your performance. It uses gamified elements to keep you motivated and encourages you to develop your own training instincts rather than following generic plans.

**Highlights:** Fast, frictionless logging, Automatic PR tracking, Intensity scale reflection, Volume & intensity targets, Custom technique cues, Built-in rest timer

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Annual | $59.99 | per year |
| Boost | $2.99 | one-time |
| Infinite Energy | $24.99 | one-time |
| 300 Energy | $39.99 | one-time |
| +1000 Energy | $89.99 | one-time |


### Stackd

[App page](https://appshunter.io/ios/app/stackd-ai-workout-tracker/id6760304570)

This app allows you to import AI-generated workout and meal plans directly into a tracking interface. Log your sessions, monitor progress with strength charts, and track nutrition macros all in one place without manual template entry.

**Highlights:** Import AI workouts via JSON, Log sets, reps, and weight, Automatic weight recommendations, Estimated 1-rep max charts, Full session history, Nutrition and macro tracking

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Training Arc free?

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

### Is Stackd free?

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

### Which has better reviews, Training Arc or Stackd?

Stackd is rated higher. Training Arc averages 4.8 out of 5 from 4 ratings, while Stackd averages 5.0 from 2 ratings.

### Do Training Arc or Stackd have ads?

Neither Training Arc nor Stackd shows ads.

### Which is updated more often, Training Arc or Stackd?

Training Arc ships an update fortnightly, and Stackd daily. Most recently, Training Arc was updated on October 14, 2026 and Stackd on October 3, 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.*