# Cleartune vs iStroboSoft

The clearest difference is rating: iStroboSoft at 4.3 against Cleartune's 3.7. iStroboSoft also leads on update cadence (fortnightly vs every 2 months) and review sentiment (76% vs 60%). Cleartune's advantage is in-app purchases (none vs 11) and price ($3.99 vs $9.99). On ratings volume, ads, chart position and device support there is nothing between them.

Cleartune costs $3.99 and iStroboSoft $9.99 up front. iStroboSoft sells 11 one-off in-app purchases. Cleartune asks for nothing beyond the download.

iStroboSoft holds the better App Store score, 4.3 against 3.7. Both are backed by a comparable volume of ratings — 880 and 298 respectively. Written reviews point the same way: 60% of Cleartune's written reviews are positive against 76% of iStroboSoft's.

Cleartune ships an update every 2 months, iStroboSoft fortnightly. Both last shipped on October 13, 2026.

## The numbers

| Metric | Cleartune | iStroboSoft |
| --- | --- | --- |
| Price | **$3.99** | $9.99 |
| Rating | [3.7 (880 ratings)](https://appshunter.io/ios/app/cleartune/id286799607/reviews) | **[4.3 (298 ratings)](https://appshunter.io/ios/app/istrobosoft/id308296029/reviews)** |
| Number of ratings | **880** | 298 |
| Positive reviews | 59.9% of reviews | **76.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#20** | #52 |
| Size | 8 MB | 5 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bitcount ltd.](https://appshunter.io/developer/286799610) | [Peterson Tuners](https://appshunter.io/developer/308296032) |

## What reviewers say

### Cleartune

[App page](https://appshunter.io/ios/app/cleartune/id286799607)

**Currently charting:** #20 Top Paid · Music (US App Store)

This app provides precise chromatic tuning for a wide range of instruments using your device's microphone. It features a unique note wheel interface and a responsive fine-tuning meter for accurate pitch detection. Advanced options include custom temperaments, transposition, and adjustable calibration for professional use.

**Highlights:** Chromatic instrument tuning, Note wheel interface, Responsive fine-tuning meter, Support for custom temperaments, Transposition support, Pitch pipe/tone generator, High accuracy (±0.01 semitone)

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate and sensitive
- 👍 Elegant and intuitive interface
- 🎨 Supports custom temperaments
- 💡 Useful for tuning various instruments

**What reviewers complain about**

- 🐛 Freezes or becomes unresponsive
- 🐛 Fails to detect certain notes or frequencies
- 🔋 Drains battery quickly
- 🔍 Struggles with background noise

**Reported bugs**

- Incompatible with newer iOS versions
- Needle movement is erratic or jumpy
- Pitch pipe feature not working

**Requested features**

- Add Apple Watch support
- Improve noise cancellation and sensitivity
- Restore previous functionality (e.g. locked pitch wheel)


### iStroboSoft

[App page](https://appshunter.io/ios/app/istrobosoft/id308296029)

**Currently charting:** #52 Top Paid · Music (US App Store)

This application provides highly accurate tuning for musical instruments, offering professional-grade precision with a real-time strobe display. It supports various tuning modes, temperaments, and input methods, making it suitable for both acoustic and electric instruments.

**Highlights:** 1/10th cent accuracy, Real-time strobe display, Guided Mode Tuning, 12 Temperaments with adjustable root, Assisted Low Note Detection, Drop/Capo mode, Adjustable Concert A

**Features:** Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extended Frequency Modes | $4.99 | one-time |
| Bluegrass Sweeteners | $5.99 | one-time |
| Buzz Feiten Pack | $5.99 | one-time |
| Guitar & Bass Sweeteners | $5.99 | one-time |
| Orchestral Sweeteners | $5.99 | one-time |
| World Sweetener Pack | $9.99 | one-time |
| Tuning Tools | $9.99 | one-time |
| Steel Guitar Sweeteners | $14.99 | one-time |
| Harmonic Tuning | $19.99 | one-time |
| Keyboard Sweeteners | $19.99 | one-time |
| Full Discounted Upgrade Pack | $59.99 | one-time |

**What reviewers like**

- 🚀 Extremely accurate
- 🔒 Reliable and stable
- 👍 Fantastic for instrument setup and intonation
- 👍 Portable and convenient
- 👍 Excellent value for the price

**What reviewers complain about**

- 🐛 Compatibility issues with iOS updates
- 💰 Expensive in-app purchases for additional features
- 🐛 Inconsistent performance, jumps between notes
- 🐛 Struggles with low and high notes
- 🐛 Microphone input not always reliable

**Reported bugs**

- App freezes or crashes on certain iOS versions
- Incorrect note detection on some instruments
- Display issues with newer iPhone/iPad models

**Requested features**

- Add support for more sweetened tunings and temperaments
- Improve display visibility and layout for newer devices
- Integrate with audio apps and allow routing through other apps
- Add Apple Watch app for quick tuning access
- Improve noise filtering and input sensitivity


## Frequently asked questions

### Is Cleartune free?

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

### Is iStroboSoft free?

iStroboSoft costs $9.99, and also offers in-app purchases.

### Which has better reviews, Cleartune or iStroboSoft?

iStroboSoft is rated higher. Cleartune averages 3.7 out of 5 from 880 ratings, while iStroboSoft averages 4.3 from 298 ratings.

### Do Cleartune or iStroboSoft have ads?

Neither Cleartune nor iStroboSoft shows ads.

### Which is updated more often, Cleartune or iStroboSoft?

Cleartune ships an update every 2 months, and iStroboSoft fortnightly. Most recently, Cleartune was updated on October 13, 2026 and iStroboSoft on October 13, 2026.

### Which is more popular, Cleartune or iStroboSoft?

Cleartune currently peaks at #20 in the App Store charts, and iStroboSoft at #52. Chart position reflects recent download velocity rather than total install base.

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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.*