# Efort vs Kaizer

The clearest difference is in-app purchases: Efort at none against Kaizer's 11. Kaizer's advantage is rating (5.0 vs 4.8). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Kaizer sells 11 in-app purchases, starting at $3.99 per 7 days. Efort asks for nothing beyond the download.

Kaizer holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 15 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Efort ships an update every 8 days, Kaizer every 10 days. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Efort | Kaizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (15 ratings)](https://appshunter.io/ios/app/efort/id6448868299/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/kaizer-your-personal-trainer/id6748926600/reviews)** |
| Number of ratings | **15** | 9 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 10 days |
| Monetization | **Free** | Freemium |
| Size | 71 MB | 121 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [EFORT SYSTEMS S.L.](https://appshunter.io/developer/1686726371) | [KAIZER](https://appshunter.io/developer/1828054877) |

## What reviewers say

### Efort

[App page](https://appshunter.io/ios/app/efort/id6448868299)

This application is designed for powerlifting athletes to enhance their performance. It offers custom program creation, performance insights, and optional integration with coaches.

**Highlights:** Custom program creation, Performance insights, Optional coach integration, 100% free

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

**In-app purchases:** none


### Kaizer

[App page](https://appshunter.io/ios/app/kaizer-your-personal-trainer/id6748926600)

This AI-powered fitness planner creates hyper-personalized workout routines based on your goals, limitations, and available equipment. It intelligently adapts your training over time to ensure continuous progress and prevent burnout.

**Highlights:** AI-powered routine creation via natural language, Hyper-personalized plans based on user data, Smart progressive overload and weight updates, Exercise replacement suggestions, Professional coaching principles integrated

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $3.99 | per 7 days |
| Pro Monthly | $8.99 | per month |
| Trainer Plan — $39.99 | $39.99 | per month |
| Pro Yearly | $39.99 | per year |
| Trainer Plan — $59.99 | $59.99 | per month |
| Trainer Plan — $79.99 | $79.99 | per month |
| Trainer Plan — $99.99 | $99.99 | per month |
| Trainer Plan — $109.99 | $109.99 | per month |
| Trainer Plan — $129.99 | $129.99 | per month |
| Trainer Plan — $159.99 | $159.99 | per month |
| Pro Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is Efort free?

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

### Is Kaizer free?

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

### Which has better reviews, Efort or Kaizer?

Kaizer is rated higher. Efort averages 4.8 out of 5 from 15 ratings, while Kaizer averages 5.0 from 9 ratings.

### Do Efort or Kaizer have ads?

Neither Efort nor Kaizer shows ads.

### Which is updated more often, Efort or Kaizer?

Efort ships an update every 8 days, and Kaizer every 10 days. Most recently, Efort was updated on October 6, 2026 and Kaizer on October 5, 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.*