# SecondStrength vs KeyLifter

The clearest difference is update cadence: KeyLifter at daily against SecondStrength's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SecondStrength sells 2 in-app purchases, starting at $12.99 per month and KeyLifter sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

SecondStrength ships an update every 10 days, KeyLifter daily. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | SecondStrength | KeyLifter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (11 ratings)](https://appshunter.io/ios/app/secondstrength/id6767779754/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Monetization | Freemium | — |
| Size | 82 MB | 65 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [A2 Apps Inc](https://appshunter.io/developer/1632751836) | [KeyInventions LLC](https://appshunter.io/developer/6776918079) |

## What reviewers say

### SecondStrength

[App page](https://appshunter.io/ios/app/secondstrength/id6767779754)

This fitness app is designed for women over 40 to build muscle, improve mobility, and support weight loss. It offers guided strength training and mobility routines tailored for perimenopause, menopause, and postmenopause stages.

**Highlights:** Guided strength training workouts, Menopause-friendly fitness plans, At-home and gym workout options, Core, glute, mobility, and full-body training, Beginner-friendly exercise guidance, Progressive plans to build strength

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $12.99 | per month |
| Annual Pro | $79.99 | per year |


### KeyLifter

[App page](https://appshunter.io/ios/app/keylifter-ai-workouts-daily/id6777023979)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $6.99 | per month |
| Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is SecondStrength free?

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

### Is KeyLifter free?

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

### Do SecondStrength or KeyLifter have ads?

Neither SecondStrength nor KeyLifter shows ads.

### Which is updated more often, SecondStrength or KeyLifter?

SecondStrength ships an update every 10 days, and KeyLifter daily. Most recently, SecondStrength was updated on September 10, 2026 and KeyLifter on September 19, 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.*