# 1RM Calculator vs 1RM

The clearest difference is ads: 1RM Calculator at none against 1RM's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 1RM Calculator sells 1 one-off in-app purchase and 1RM sells 1 in-app purchase, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 1RM Calculator | 1RM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (222 ratings)](https://appshunter.io/ios/app/1rm-calculator-one-rep-max/id681279192/reviews)** | — |
| Number of ratings | **222** | — |
| Positive reviews | 36.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 67 MB |
| Requires iOS | 12.1 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [David Bai](https://appshunter.io/developer/609405595) | [ABDULLAH YAVUZ](https://appshunter.io/developer/1724192354) |

## What reviewers say

### 1RM Calculator

[App page](https://appshunter.io/ios/app/1rm-calculator-one-rep-max/id681279192)

Estimate your maximum weight lifted for a single repetition. Input your successful lifts and reps to gauge strength, compare progress, and plan future training. Offers advanced features for detailed tracking and analysis.

**Highlights:** Estimate 1-rep max, Track lift history and progress, Historical chart and list views, Multiple estimation formulas, Calculate multiple rep maxes, Switch between lbs and kgs, View percentages of 1-rep max

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $1.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Calculates 1 rep max quickly
- 💡 Helps figure out percentages
- 👍 Good for tracking routines
- 👍 Clean design

**What reviewers complain about**

- 🐛 Pro version not working
- 🐛 Paid features inaccessible
- 🐛 App crashes after upgrade
- 🐛 UI needs improvement
- 🐛 Missing features

**Reported bugs**

- Pro not working after purchase
- Paid upgrade not granting access
- App crashes after upgrade
- Feedback email link broken
- + button crashes app

**Requested features**

- Ability to re-arrange exercises
- Ability to re-name exercises
- Ability to delete exercises
- See all trend lines on one graph
- Track more than one set per day


### 1RM

[App page](https://appshunter.io/ios/app/1rm-one-rep-max-calculator/id6480014506)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1RM Pro | $0.99 | per 7 days |


## Frequently asked questions

### Is 1RM Calculator free?

1RM Calculator is free to download, with in-app purchases available.

### Is 1RM free?

1RM is free to download, with in-app purchases available.

### Do 1RM Calculator or 1RM have ads?

1RM shows ads; 1RM Calculator does not.

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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.*