# burrow sleep vs RepLens

The clearest difference is update cadence: RepLens at every 3 days against burrow sleep's every 2 months. burrow sleep's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. burrow sleep sells 3 in-app purchases, starting at $5.00 per month and RepLens sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

burrow sleep ships an update every 2 months, RepLens every 3 days. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | burrow sleep | RepLens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/replens/id6780207330/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 20 MB | 18 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shawn Barr](https://appshunter.io/developer/1890571016) | [Nicholas Oganesoff](https://appshunter.io/developer/1880111572) |

## What reviewers say

### burrow sleep

[App page](https://appshunter.io/ios/app/burrow-sleep/id6761636706)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.00 | per month |
| 3 Months | $12.00 | per 3 months |
| Annual | $40.00 | per year |


### RepLens

[App page](https://appshunter.io/ios/app/replens/id6780207330)

Get personalized feedback on your weightlifting form using AI. Simply record a set, and receive clear, actionable advice to improve technique and prevent injuries. See your form compared to an ideal model for better understanding.

**Highlights:** AI form analysis, Specific lift feedback, Injury prevention tips, Ideal form comparison, Pain-focused adjustments, On-device body tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RepLens Pro (Monthly) | $4.99 | per month |
| RepLens Pro (Annual) | $29.99 | per year |


## Frequently asked questions

### Is burrow sleep free?

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

### Is RepLens free?

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

### Do burrow sleep or RepLens have ads?

Neither burrow sleep nor RepLens shows ads.

### Which is updated more often, burrow sleep or RepLens?

burrow sleep ships an update every 2 months, and RepLens every 3 days. Most recently, burrow sleep was updated on October 7, 2026 and RepLens on September 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.*