# Hold Strong vs KLU Longevity

The clearest difference is device support: Hold Strong at 3 against KLU Longevity's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Hold Strong sells 1 one-off in-app purchase and KLU Longevity sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Hold Strong ships an update fortnightly, KLU Longevity every 2 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hold Strong | KLU Longevity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/hold-strong-train-smarter/id6738137196/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 497 MB | 93 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Peter Ong](https://appshunter.io/developer/1779521186) | [LifeUnlocked s.r.o.](https://appshunter.io/developer/1896421480) |

## What reviewers say

### Hold Strong

[App page](https://appshunter.io/ios/app/hold-strong-train-smarter/id6738137196)

Build strength with static holds like dead hangs and planks using a precision timer and smart tracking. Offers a 30-day challenge with progressive daily plans and integrates with Apple Watch for hands-free workouts. No equipment is needed for these effective, joint-friendly exercises.

**Highlights:** Precision timing with tension-arc progress ring, Smart progress tracking and personal best logging, Apple Watch companion app with haptic feedback, Voice control for hands-free operation, Motion detection to automatically stop timers, 30-day progressive workout challenges, Syncs with Apple Health

**Features:** Apple Watch app, iMessage stickers

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hold Strong: Train Smarter | $7.99 | one-time |


### KLU Longevity

[App page](https://appshunter.io/ios/app/klu-longevity/id6760349826)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KLU Monthly Subscription | $4.99 | per month |
| KLU Yearly Subscription | $49.99 | per year |
| Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is Hold Strong free?

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

### Is KLU Longevity free?

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

### Do Hold Strong or KLU Longevity have ads?

Neither Hold Strong nor KLU Longevity shows ads.

### Which is updated more often, Hold Strong or KLU Longevity?

Hold Strong ships an update fortnightly, and KLU Longevity every 2 weeks. Most recently, Hold Strong was updated on October 23, 2026 and KLU Longevity 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.*