# Santoor vs Doomsday Runner

The clearest difference is ads: Doomsday Runner at none against Santoor's shown. Doomsday Runner also leads on update cadence (every 4 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Santoor sells 6 in-app purchases, starting at $3.99 per 7 days and Doomsday Runner sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Santoor ships an update every 2 months, Doomsday Runner every 4 days. The most recent releases landed on September 22, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Santoor | Doomsday Runner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (238 ratings)](https://appshunter.io/ios/app/santoor/id573562256/reviews)** | — |
| Number of ratings | **238** | — |
| Positive reviews | 68.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 529 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Amir Kamali](https://appshunter.io/developer/488626145) | [Hoi Hei Chow](https://appshunter.io/developer/1842295955) |

## What reviewers say

### Santoor

[App page](https://appshunter.io/ios/app/santoor/id573562256)

Transform your device into a virtual stringed musical instrument. Learn to play, record your own songs, and share them with a global community. Enjoy high-quality studio sounds and a responsive interface for an immersive musical experience.

**Highlights:** Virtual Santoor instrument, High-quality studio sounds, Record and save playings, Export audio files, Share playings online, Multi-touch support, Learn by watching

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Membership - Weekly | $3.99 | per 7 days |
| Pro Membership - Monthly | $5.99 | per month |
| Pro Membership - Quarterly | $12.99 | per 3 months |
| Pro Membership - Annual | $24.99 | per year |
| Upgrade to Full version | $1.99 | one-time |
| Upgarde To Full version | $149.00 | one-time |

**What reviewers like**

- 🎵 Authentic and realistic santoor sound quality
- 🎨 Beautiful graphics and visual design
- 📱 Portable santoor instrument in pocket
- 🎓 Helpful for learning and practice
- 🎯 Accurate Persian classical tuning

**What reviewers complain about**

- 🐛 Frequent app crashes and force closes
- 🔇 No sound output on some devices
- 📢 Intrusive ads disrupting gameplay
- 🔊 Volume control unavailable or fixed
- ⚠️ Incompatible with iOS 13 and newer versions

**Reported bugs**

- App crashes immediately upon opening
- Splash screen opens then closes
- iOS 13+ compatibility issues
- No sound on iPad Air 2 and iPad Pro
- Ads replacing santoor image and disrupting touch controls

**Requested features**

- MIDI keyboard connectivity
- Ability to play multiple strings simultaneously
- String highlighting during playback
- Built-in santoor tuner
- Demo songs with string highlighting for learning


### Doomsday Runner

[App page](https://appshunter.io/ios/app/doomsday-runner/id6760188149)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 gems | $0.99 | one-time |
| 500 coins | $0.99 | one-time |
| 12 gems | $1.99 | one-time |
| 1200 coins | $1.99 | one-time |
| 80 gems | $9.99 | one-time |
| 8000 coins | $9.99 | one-time |
| 180 gems | $19.99 | one-time |
| 18000 coins | $19.99 | one-time |


## Frequently asked questions

### Is Santoor free?

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

### Is Doomsday Runner free?

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

### Do Santoor or Doomsday Runner have ads?

Santoor shows ads; Doomsday Runner does not.

### Which is updated more often, Santoor or Doomsday Runner?

Santoor ships an update every 2 months, and Doomsday Runner every 4 days. Most recently, Santoor was updated on September 22, 2026 and Doomsday Runner on September 8, 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.*