# 1 Rep Max Calc vs Blue Light Filter

The clearest difference is rating: 1 Rep Max Calc at 4.5 against Blue Light Filter's 3.3. 1 Rep Max Calc also leads on in-app purchases (none vs 5) and iOS requirement (15.0 vs 17.0). Blue Light Filter's advantage is ratings volume (137 vs 11). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Blue Light Filter sells 5 in-app purchases, starting at $4.99 per 7 days. 1 Rep Max Calc asks for nothing beyond the download.

1 Rep Max Calc holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: Blue Light Filter has 137 ratings behind it against 11, so its average is the more settled of the two.

1 Rep Max Calc ships an update every 5 days, Blue Light Filter weekly. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 1 Rep Max Calc | Blue Light Filter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/1-rep-max-calc/id6449542297/reviews)** | [3.3 (137 ratings)](https://appshunter.io/ios/app/blue-light-filter/id6463748819/reviews) |
| Number of ratings | 11 | **137** |
| Positive reviews | — | 2.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 19 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Will Stankus](https://appshunter.io/developer/1451105607) | [Rivia Corp s.r.o.](https://appshunter.io/developer/1698333588) |

## What reviewers say

### 1 Rep Max Calc

[App page](https://appshunter.io/ios/app/1-rep-max-calc/id6449542297)

Calculate your one rep max (1RM) and explore potential rep maxes at various intensities. Supports both pounds and kilograms, with an intuitive interface and offline functionality for seamless strength training tracking.

**Highlights:** Accurate one rep max calculation, Comprehensive rep maxes (95%-70%), Seamless unit conversion (lbs/kg), User-friendly interface, Offline support

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

**In-app purchases:** none


### Blue Light Filter

[App page](https://appshunter.io/ios/app/blue-light-filter/id6463748819)

Reduce eye strain and improve sleep with an adjustable blue light filter. Organize your files, photos, and videos with an integrated file manager. Enjoy a seamless web browsing experience with built-in filtering and bookmarking.

**Highlights:** Adjustable blue light filter, Eye strain relief, Improved sleep quality, Intuitive file manager, Zip/unzip support, Integrated web browser

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| 1 month | $6.99 | per month |
| Blue Light Filter - Monthly | $7.99 | per month |
| 1 year | $24.99 | per year |
| Annually | $29.99 | per year |

**What reviewers complain about**

- 💸 Expensive subscription model
- 🚫 Blue light filter limited to app
- ⚠️ Difficult subscription cancellation
- 😠 App not free as expected
- ❌ Poor user interface

**Reported bugs**

- App doesn't open
- App keeps crashing
- App doesn't work on Mac
- Blank 'Trial Page' window
- Free cancellation not working

**Requested features**

- Automatically turn on at login
- Toggle on/off with shortcut key
- Apply blue light filter to entire phone
- More customization options


## Frequently asked questions

### Is 1 Rep Max Calc free?

1 Rep Max Calc is free to download, with no in-app purchases.

### Is Blue Light Filter free?

Blue Light Filter is free to download, with in-app purchases available.

### Which has better reviews, 1 Rep Max Calc or Blue Light Filter?

1 Rep Max Calc is rated higher. 1 Rep Max Calc averages 4.5 out of 5 from 11 ratings, while Blue Light Filter averages 3.3 from 137 ratings.

### Do 1 Rep Max Calc or Blue Light Filter have ads?

Neither 1 Rep Max Calc nor Blue Light Filter shows ads.

### Which is updated more often, 1 Rep Max Calc or Blue Light Filter?

1 Rep Max Calc ships an update every 5 days, and Blue Light Filter weekly. Most recently, 1 Rep Max Calc was updated on October 3, 2026 and Blue Light Filter on October 17, 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.*