# AD vs Sightlines

The clearest difference is rating: Sightlines at 5.0 against AD's 4.7. Sightlines also leads on update cadence (weekly vs every 3 weeks) and review sentiment (100% vs 86%). AD's advantage is price ($6.99 vs $7.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

AD costs $6.99 and Sightlines $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sightlines holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 12 and 6 respectively. Written reviews point the same way: 86% of AD's written reviews are positive against 100% of Sightlines's.

AD ships an update every 3 weeks, Sightlines weekly. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | AD | Sightlines |
| --- | --- | --- |
| Price | **$6.99** | $7.99 |
| Rating | [4.7 (12 ratings)](https://appshunter.io/ios/app/ad-202/id6795327427/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/sightlines-harmonic-filter/id6801937031/reviews)** |
| Number of ratings | **12** | 6 |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Paid | Paid |
| Size | 74 MB | 19 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Audio Damage, Inc.](https://appshunter.io/developer/1248448317) | [Aqeel Aadam](https://appshunter.io/developer/1724235864) |

## What reviewers say

### AD

[App page](https://appshunter.io/ios/app/ad-202/id6795327427)

This app emulates a classic 1983 micro synthesizer with modern enhancements like MPE and eight-voice polyphony. It offers a rich sound engine with multiple oscillators, filters, and a comprehensive drive section for unique sonic textures. Enjoy extensive modulation options and a built-in keyboard for immediate creativity.

**Highlights:** Eight-voice polyphony, MPE support, Classic four-pole lowpass filter, Comprehensive drive section, AUv3 and standalone operation, Preset manager with favorites, Built-in chicklet keyboard

**Features:** Vision Pro support

**In-app purchases:** none


### Sightlines

[App page](https://appshunter.io/ios/app/sightlines-harmonic-filter/id6801937031)

Shape sounds with a playable harmonic filter. Add motion, stereo spread, and unique textures to noise, samples, or synths. Tune it like a resonator or control it with MIDI for endless sonic possibilities.

**Highlights:** Harmonic filter bank, MIDI control, Sample loading, Noise and synth sound sources, Modulation capabilities, Built-in chorus, delay, and reverb

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AD free?

AD costs $6.99, with no in-app purchases.

### Is Sightlines free?

Sightlines costs $7.99, with no in-app purchases.

### Which has better reviews, AD or Sightlines?

Sightlines is rated higher. AD averages 4.7 out of 5 from 12 ratings, while Sightlines averages 5.0 from 6 ratings.

### Do AD or Sightlines have ads?

Neither AD nor Sightlines shows ads.

### Which is updated more often, AD or Sightlines?

AD ships an update every 3 weeks, and Sightlines weekly. Most recently, AD was updated on October 3, 2026 and Sightlines on October 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.*