# Stark Bag vs Aikido Encyclopedia

The clearest difference is rating: Stark Bag at 4.8 against Aikido Encyclopedia's 4.2. Stark Bag also leads on update cadence (every 17 months vs every 97 months) and price ($4.99 vs $9.99). Aikido Encyclopedia's advantage is iOS requirement (12.0 vs 15.1). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

Stark Bag costs $4.99 and Aikido Encyclopedia $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stark Bag holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Stark Bag has 50 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 80% of Stark Bag's written reviews are positive against 75% of Aikido Encyclopedia's.

Stark Bag ships an update every 17 months, Aikido Encyclopedia every 97 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stark Bag | Aikido Encyclopedia |
| --- | --- | --- |
| Price | **$4.99** | $9.99 |
| Rating | **[4.8 (50 ratings)](https://appshunter.io/ios/app/stark-bag/id887426211/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/aikido-encyclopedia/id1104990681/reviews) |
| Number of ratings | **50** | 6 |
| Positive reviews | **80.0% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 17 months** | Every 97 months |
| Monetization | Paid | Paid |
| Size | 57 MB | 417 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Postra AB](https://appshunter.io/developer/1807937957) | [Nerd Alchemy LLC](https://appshunter.io/developer/927008025) |

## What reviewers say

### Stark Bag

[App page](https://appshunter.io/ios/app/stark-bag/id887426211)

This app offers a virtual training experience with HD exercise videos and customizable workout plans. It supports various training styles like Tabata and HIIT, tracks progress, and integrates with Apple Health to log burned calories and completed workouts.

**Highlights:** HD exercise videos, Customizable workout plans, Tabata, HIIT, and Circuit training timers, Progress tracking and scoring, Targeted muscle group exercises, Apple Health integration

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

**In-app purchases:** none


### Aikido Encyclopedia

[App page](https://appshunter.io/ios/app/aikido-encyclopedia/id1104990681)

Access a comprehensive video library of over 460 traditional Aikido techniques, including empty-hand, Jo, and Ken exercises. This tool aids practitioners of all levels in studying specific moves, expanding their repertoire, and organizing techniques for class planning or exam preparation.

**Highlights:** Extensive video library of 460+ techniques, Covers empty-hand, Jo, and Ken exercises, Detailed examples for study, Helps expand technique repertoire, Create and edit custom technique collections, Useful for teachers and students

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

**In-app purchases:** none


## Frequently asked questions

### Is Stark Bag free?

Stark Bag costs $4.99, with no in-app purchases.

### Is Aikido Encyclopedia free?

Aikido Encyclopedia costs $9.99, with no in-app purchases.

### Which has better reviews, Stark Bag or Aikido Encyclopedia?

Stark Bag is rated higher. Stark Bag averages 4.8 out of 5 from 50 ratings, while Aikido Encyclopedia averages 4.2 from 6 ratings.

### Do Stark Bag or Aikido Encyclopedia have ads?

Neither Stark Bag nor Aikido Encyclopedia shows ads.

### Which is updated more often, Stark Bag or Aikido Encyclopedia?

Stark Bag ships an update every 17 months, and Aikido Encyclopedia every 97 months. Most recently, Stark Bag was updated on October 26, 2026 and Aikido Encyclopedia on October 24, 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.*