# nSuns 5/3/1 vs 라운드제로(RoundZero)

The clearest difference is in-app purchases: 라운드제로(RoundZero) at none against nSuns 5/3/1's 6. 라운드제로(RoundZero) also leads on update cadence (every 4 days vs every 9 days) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. nSuns 5/3/1 sells 6 one-off in-app purchases. 라운드제로(RoundZero) asks for nothing beyond the download.

nSuns 5/3/1 ships an update every 9 days, 라운드제로(RoundZero) every 4 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | nSuns 5/3/1 | 라운드제로(RoundZero) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (4.9K ratings)](https://appshunter.io/ios/app/nsuns-531/id1265494052/reviews)** | — |
| Number of ratings | **4.9K** | — |
| Positive reviews | 96.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 52 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Jonas Reichert](https://appshunter.io/developer/991237310) | [kwang min bae](https://appshunter.io/developer/1867694419) |

## What reviewers say

### nSuns 5/3/1

[App page](https://appshunter.io/ios/app/nsuns-531/id1265494052)

This app is a dedicated companion for the nSuns 5/3/1 strength training program. It allows users to log lifts, track progress, and automatically calculates weight progression based on training max and AMRAP results. Customizable features and progress charts help users optimize their workouts.

**Highlights:** Log lifts and track progress, Automatic weight progression, AMRAP-driven programming, Customizable accessory exercises, Rest timer with Apple Watch support, Progress charts for main lifts, iCloud sync

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Beer | $0.99 | one-time |
| Coffee | $1.99 | one-time |
| Protein Brownie | $2.99 | one-time |
| Protein Shake | $3.99 | one-time |
| Gym Weekly Fee | $4.99 | one-time |
| Supporter | $8.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Helps track progress
- 🚀 Seamless workout tracking
- 👍 Customizable templates
- 🚀 Automatic weight calculations

**What reviewers complain about**

- 🐛 Occasional bugs or glitches
- 💡 Lack of ability to change workout days
- 💡 Limited accessory exercise customization
- 💡 No option to carry over accessory exercises
- 💡 No plate calculator or weight breakdown

**Reported bugs**

- Workout template not updating correctly
- Timer issues or disappearing on app switch
- Inconsistencies with training max updates

**Requested features**

- Ability to customize workout days
- Option to add and track custom accessory exercises
- Carry over accessory exercises to next cycle
- Plate calculator or weight breakdown feature
- Notes section for each workout


### 라운드제로(RoundZero)

[App page](https://appshunter.io/ios/app/roundzero/id6757588010)

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

**In-app purchases:** none


## Frequently asked questions

### Is nSuns 5/3/1 free?

nSuns 5/3/1 is free to download, with in-app purchases available.

### Is 라운드제로(RoundZero) free?

라운드제로(RoundZero) is free to download, with no in-app purchases.

### Do nSuns 5/3/1 or 라운드제로(RoundZero) have ads?

Neither nSuns 5/3/1 nor 라운드제로(RoundZero) shows ads.

### Which is updated more often, nSuns 5/3/1 or 라운드제로(RoundZero)?

nSuns 5/3/1 ships an update every 9 days, and 라운드제로(RoundZero) every 4 days. Most recently, nSuns 5/3/1 was updated on November 2, 2026 and 라운드제로(RoundZero) on October 31, 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.*