# StrengthAnalytics vs locknn

The clearest difference is update cadence: StrengthAnalytics at every 6 days against locknn's every 6 weeks. locknn's advantage is iOS requirement (15.1 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. StrengthAnalytics sells 3 in-app purchases, starting at $5.99 per month and locknn sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

StrengthAnalytics ships an update every 6 days, locknn every 6 weeks. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | StrengthAnalytics | locknn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/locknn-workout-log-and-ai-coach/id6760326768/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 205 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [StrengthAnalytics LLC](https://appshunter.io/developer/1876962341) | [appsix](https://appshunter.io/developer/1867625178) |

## What reviewers say

### StrengthAnalytics

[App page](https://appshunter.io/ios/app/strengthanalytics/id6759115956)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $5.99 | per month |
| Premium - Yearly | $34.99 | per year |
| Premium - Lifetime | $89.99 | one-time |


### locknn

[App page](https://appshunter.io/ios/app/locknn-workout-log-and-ai-coach/id6760326768)

This app logs detailed workout sessions, including sets, reps, mood, and photos. It features an AI coach that analyzes your training history for personalized advice and offers live tracking for various activities. Track progress with body scans and review your performance with insightful charts and trends.

**Highlights:** AI coach for personalized training advice, Detailed workout logging (sets, reps, weight, mood), Live tracking for various activities (running, gym, etc.), Body scan for progress monitoring, Extensive exercise library with video guides, Workout plan creation and saving, Apple Health sync

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LOCKNN MAXX (1-Week) | $2.99 | per 7 days |
| LOCKNN MAXX (1-Year) | $39.99 | per year |


## Frequently asked questions

### Is StrengthAnalytics free?

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

### Is locknn free?

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

### Do StrengthAnalytics or locknn have ads?

Neither StrengthAnalytics nor locknn shows ads.

### Which is updated more often, StrengthAnalytics or locknn?

StrengthAnalytics ships an update every 6 days, and locknn every 6 weeks. Most recently, StrengthAnalytics was updated on October 31, 2026 and locknn on October 28, 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.*