# Tuner+ vs SUS4 Vocal Warmup

The clearest difference is ads: SUS4 Vocal Warmup at none against Tuner+'s shown. SUS4 Vocal Warmup also leads on update cadence (fortnightly vs every 6 months). Tuner+'s advantage is iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Tuner+ sells 1 one-off in-app purchase and SUS4 Vocal Warmup sells 10 in-app purchases, starting at $4.39 per month. Whichever you choose, the download price is not the number that matters.

Tuner+ ships an update every 6 months, SUS4 Vocal Warmup fortnightly. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Tuner+ | SUS4 Vocal Warmup |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/tuner-plus/id447600117/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 82.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 30 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Nick Culbertson](https://appshunter.io/developer/409029298) | [ThePaulSmith](https://appshunter.io/developer/319584506) |

## What reviewers say

### Tuner+

[App page](https://appshunter.io/ios/app/tuner-plus/id447600117)

This app provides perfectly tuned reference notes for various musical instruments, allowing users to tune by ear. It offers both real audio and sine wave sounds and supports VoiceOver accessibility. It does not analyze instrument notes but serves as a quick reference for tuning in any key.

**Highlights:** Plays reference notes for tuning, Supports guitar, bass, piano, and more, Real audio and sine wave sounds, VoiceOver accessibility, Tune in any key

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads - Tuner+ | $0.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Excellent tuning accuracy
- 💡 Supports multiple instruments
- 🎨 Clear and simple interface
- 🔍 Helpful for ear training

**What reviewers complain about**

- 🐛 Incorrect pitch for some instruments
- 🔊 Sound quality issues on certain notes
- 🤔 Lack of visual feedback for tuning

**Reported bugs**

- App crashes on certain devices
- Distortion on some string notes

**Requested features**

- Add support for alternate tunings
- Provide visual tuning indicators
- Include a metronome feature
- Expand instrument selection


### SUS4 Vocal Warmup

[App page](https://appshunter.io/ios/app/sus4-vocal-warmup-singing/id6777230220)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SUS4 All-Access | $4.39 | per month |
| SUS4 All-Access | $5.99 | per month |
| SUS4 All-Access | $7.99 | per month |
| SUS4 All-Access Annual | $19.99 | per year |
| SUS4 All-Access Annual | $26.99 | per year |
| SUS4 All-Access Annual | $35.99 | per year |
| SUS4 All-Access Annual | $51.99 | per year |
| SUS4 Vocal Warmup Lifetime | $54.99 | one-time |
| SUS4 Vocal Warmup Lifetime | $71.99 | one-time |
| SUS4 Vocal Warmup Lifetime | $103.99 | one-time |


## Frequently asked questions

### Is Tuner+ free?

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

### Is SUS4 Vocal Warmup free?

SUS4 Vocal Warmup is free to download, with in-app purchases available.

### Do Tuner+ or SUS4 Vocal Warmup have ads?

Tuner+ shows ads; SUS4 Vocal Warmup does not.

### Which is updated more often, Tuner+ or SUS4 Vocal Warmup?

Tuner+ ships an update every 6 months, and SUS4 Vocal Warmup fortnightly. Most recently, Tuner+ was updated on November 6, 2026 and SUS4 Vocal Warmup 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.*