# Personal Trainer Log vs KOBP Strength

The clearest difference is update cadence: KOBP Strength at every 6 days against Personal Trainer Log's every 4 weeks. KOBP Strength also leads on iOS requirement (16.6 vs 18). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Personal Trainer Log sells 3 in-app purchases, starting at $4.99 per month and KOBP Strength sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Personal Trainer Log ships an update every 4 weeks, KOBP Strength every 6 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Personal Trainer Log | KOBP Strength |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kobp-strength/id6761443268/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 16 MB | 38 MB |
| Requires iOS | 18 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Karol Jaworski](https://appshunter.io/developer/1799974477) | [BRIAN PEREZ](https://appshunter.io/developer/1889682804) |

## What reviewers say

### Personal Trainer Log

[App page](https://appshunter.io/ios/app/personal-trainer-log-rep/id6760669701)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rep Pro Monthly | $4.99 | per month |
| Rep Pro Annual | $39.99 | per year |
| Rep Pro Annual - 50% Off | $39.99 | per year |


### KOBP Strength

[App page](https://appshunter.io/ios/app/kobp-strength/id6761443268)

This app helps serious lifters track every set, benchmark their strength against global standards, and receive AI-driven coaching. It offers detailed progress charts, global leaderboards, and shareable session summaries. Users can import existing training data to get started quickly.

**Highlights:** Strength percentile rankings, AI coaching based on training data, Track every lift with precision, Global leaderboard for top sets, Import training history from any format, Shareable session summary cards

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KOBP Fitness Premium-monthly | $6.99 | per month |
| KOBP Fitness Premium-Annual | $49.99 | per year |


## Frequently asked questions

### Is Personal Trainer Log free?

Personal Trainer Log is free to download, with in-app purchases available.

### Is KOBP Strength free?

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

### Do Personal Trainer Log or KOBP Strength have ads?

Neither Personal Trainer Log nor KOBP Strength shows ads.

### Which is updated more often, Personal Trainer Log or KOBP Strength?

Personal Trainer Log ships an update every 4 weeks, and KOBP Strength every 6 days. Most recently, Personal Trainer Log was updated on October 24, 2026 and KOBP Strength 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.*