# Repstack vs KOBP Strength

Repstack and KOBP Strength are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Repstack sells 2 in-app purchases, starting at $3.99 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.

Repstack ships an update every 8 days, KOBP Strength every 6 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Repstack | 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 8 days | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 41 MB | 38 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Steven LaGuardia](https://appshunter.io/developer/1832396630) | [BRIAN PEREZ](https://appshunter.io/developer/1889682804) |

## What reviewers say

### Repstack

[App page](https://appshunter.io/ios/app/repstack-workout-planner/id6757782341)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Repstack Pro (Monthly) | $3.99 | per month |
| Repstack Pro (Yearly) | $23.99 | per year |


### KOBP Strength

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

This app is designed for serious lifters to track every set, see global rankings, and receive AI-powered coaching based on actual performance data. It offers detailed progress charts, custom lift logging, and a unique session sharing feature.

**Highlights:** Log every set, rep, and weight, Strength percentile rankings, AI-powered personalized coaching, Global leaderboard and competitor import, Shareable session summary cards, Import training history from any format

**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 Repstack free?

Repstack 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 Repstack or KOBP Strength have ads?

Neither Repstack nor KOBP Strength shows ads.

### Which is updated more often, Repstack or KOBP Strength?

Repstack ships an update every 8 days, and KOBP Strength every 6 days. Most recently, Repstack was updated on November 9, 2026 and KOBP Strength on November 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.*