# iAutoharp vs microTERA

The clearest difference is review sentiment: microTERA at 81% against iAutoharp's 19%. microTERA also leads on rating (4.9 vs 2.7) and update cadence (every 4 months vs every 15 months). iAutoharp's advantage is device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

microTERA holds the better App Store score, 4.9 against 2.7. Both are backed by a comparable volume of ratings — 3 and 8 respectively. Written reviews point the same way: 19% of iAutoharp's written reviews are positive against 81% of microTERA's.

iAutoharp ships an update every 15 months, microTERA every 4 months. The most recent releases landed on September 6, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | iAutoharp | microTERA |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/iautoharp/id304091719/reviews) | **[4.9 (8 ratings)](https://appshunter.io/ios/app/microtera/id819266128/reviews)** |
| Number of ratings | 3 | **8** |
| Positive reviews | 18.8% of reviews | **81.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 4 MB | 24 MB |
| Requires iOS | 15.2 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [HotPaw Productions](https://appshunter.io/developer/285074853) | [Harry Gohs](https://appshunter.io/developer/382428644) |

## 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


### microTERA

[App page](https://appshunter.io/ios/app/microtera/id819266128)

Explore unique sonic textures with this waveshaping synthesizer. Generate novel sound patches randomly or program them with detailed controls. Includes a variety of built-in effects and advanced sequencing capabilities.

**Highlights:** Waveshaper with user programmable shape, Random sound patch generation, Sequencer with programmable steps, Built-in effects (Chorus, Phaser, Reverb, etc.), Over 150 factory sounds, Audiobus and Ableton Link compatible

**In-app purchases:** none


## Frequently asked questions

### Is iAutoharp free?

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

### Is microTERA free?

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

### Which has better reviews, iAutoharp or microTERA?

microTERA is rated higher. iAutoharp averages 2.7 out of 5 from 3 ratings, while microTERA averages 4.9 from 8 ratings.

### Do iAutoharp or microTERA have ads?

Neither iAutoharp nor microTERA shows ads.

### Which is updated more often, iAutoharp or microTERA?

iAutoharp ships an update every 15 months, and microTERA every 4 months. Most recently, iAutoharp was updated on September 6, 2026 and microTERA on September 17, 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.*