# iAutoharp vs Hyperion Synthesizer

The clearest difference is review sentiment: iAutoharp at 19% against Hyperion Synthesizer's 0%. iAutoharp also leads on price ($1.99 vs $4.99). Hyperion Synthesizer's advantage is update cadence (every 7 months vs every 15 months) and iOS requirement (10.0 vs 15.2). On ads, in-app purchases, monetization model and device support there is nothing between them.

iAutoharp costs $1.99 and Hyperion Synthesizer $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iAutoharp ships an update every 15 months, Hyperion Synthesizer every 7 months. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iAutoharp | Hyperion Synthesizer |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/iautoharp/id304091719/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **18.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 7 months** |
| Monetization | Paid | Paid |
| Size | 4 MB | 10 MB |
| Requires iOS | 15.2 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HotPaw Productions](https://appshunter.io/developer/285074853) | [Aleksandar Mlazev](https://appshunter.io/developer/1093798140) |

## What reviewers say

### iAutoharp

[App page](https://appshunter.io/ios/app/iautoharp/id304091719)

Easily play chords and strum along to popular tunes without musical training. Reconfigure chord buttons for over 150 chords per key and experiment with melodies by picking subsets of strings.

**Highlights:** Tap chord buttons to strum, Switch keys and chords effortlessly, Reconfigure over 150 chords per key, Pick out melodies by pinching strings, Accompaniment for singing or playing along

**In-app purchases:** none


### Hyperion Synthesizer

[App page](https://appshunter.io/ios/app/hyperion-synthesizer/id1247269157)

Explore vast sonic landscapes with an advanced FM synthesizer. This app features morphing waves technology, extensive sound effects, and MIDI keyboard support for professional music creation.

**Highlights:** Morphing waves technology, AUV3 (Audio Unit) support, MIDI keyboard support, Stereo and tremolo effects, Reverb and echo effects, Multiple morph and harmonics modes

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iAutoharp free?

iAutoharp costs $1.99, with no in-app purchases.

### Is Hyperion Synthesizer free?

Hyperion Synthesizer costs $4.99, with no in-app purchases.

### Do iAutoharp or Hyperion Synthesizer have ads?

Neither iAutoharp nor Hyperion Synthesizer shows ads.

### Which is updated more often, iAutoharp or Hyperion Synthesizer?

iAutoharp ships an update every 15 months, and Hyperion Synthesizer every 7 months. Most recently, iAutoharp was updated on October 31, 2026 and Hyperion Synthesizer 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.*