# Jublag vs Harp Sim

The clearest difference is price: Harp Sim at Free against Jublag's $3.99. Harp Sim also leads on update cadence (every 2 months vs every 20 months) and iOS requirement (12.0 vs 18.0). Jublag's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Harp Sim is free to download; Jublag costs $3.99 up front. Harp Sim sells 1 one-off in-app purchase. Jublag asks for nothing beyond the download.

Jublag ships an update every 20 months, Harp Sim every 2 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Jublag | Harp Sim |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/harp-sim/id6739217315/reviews)** |
| Number of ratings | — | **9** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 132 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [emacsian Company Limited](https://appshunter.io/developer/388819355) | [Alper Kahriman](https://appshunter.io/developer/1054578352) |

## What reviewers say

### Jublag

[App page](https://appshunter.io/ios/app/jublag/id388826323)

**Features:** Vision Pro support

**In-app purchases:** none


### Harp Sim

[App page](https://appshunter.io/ios/app/harp-sim/id6739217315)

Explore the ethereal sounds of the harp with this simulator app. It offers authentic harp tones, customizable interfaces, and multiple play modes for both beginners and experienced musicians. Record and share your musical creations.

**Highlights:** Authentic harp sounds, Meditative and relaxing experience, Customizable interface, Three dynamic play modes, Built-in performance recorder, Music sharing functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium | $7.99 | one-time |


## Frequently asked questions

### Is Jublag free?

Jublag costs $3.99, with no in-app purchases.

### Is Harp Sim free?

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

### Do Jublag or Harp Sim have ads?

Harp Sim shows ads; Jublag does not.

### Which is updated more often, Jublag or Harp Sim?

Jublag ships an update every 20 months, and Harp Sim every 2 months. Most recently, Jublag was updated on October 22, 2026 and Harp Sim 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.*