SimplyFlange vs Zen AutoPan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SimplyFlange
This audio effect app provides a straightforward flange effect for a retro sound. It functions as an AUv3 app extension, compatible with hosts like AUM, Cubasis, and GarageBand.
- Retro flange audio effect
- AUv3 app extension
- Compatible with AUM, Cubasis, GarageBand
- Standalone app functionality
- Simple and straightforward interface
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A simple but straightforward flange audio effect to give you that nice retro feel. The filter exists in an AUv3 app extension so it is available for use in any host app that supports AudioUnit components such as AUM or Cubasis or GarageBand.
Zen AutoPan
This AUv3 stereo movement tool offers dynamic panning effects for music production and sound design. Sculpt your audio with multiple LFO shapes and an intuitive XY pad for real-time creative control. Seamlessly integrate with compatible DAWs on iOS devices.
- Multiple LFO Shapes
- Intuitive XY Pad
- Adjustable Stereo Width
- AUv3 Compatibility
- Optimized for iOS
- 3D Visuals
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FX Forms #002 - Zen AutoPan from Wild Surmise Music, second offering in the series of AUv3 FX plugins. Note: This needs a compatible DAW App such as Logic Pro, AUM, Cubasis, Garageband etc to use the AUv3 plugin. Zen AutoPan is not merely a tool, but an invitation to dance with the rhythm of the universe. Designed with the meticulous care of a Zen garden, this AUv3 app is a portal to experiencing the dynamic interplay of sound and silence. As Alan Watts might say, it allows you to "play" with your music, weaving the fabric of stereo panning effects into the tapestry of auditory experience. In the act of creating or enhancing sound, Zen AutoPan becomes a partner in the dance of existence, moving with the effortless grace of a leaf on a breeze. It's here, in the realm of music production and sound design, that Zen AutoPan offers a reflection of the universe's own symphony, inviting you to partake in the cosmic play of sound and silence, movement and stillness. Features: - Multiple LFO Shapes: Choose from sine, square, sawtooth, and random LFO shapes to sculpt your sound. - Intuitive XY Pad: Control the depth and speed of your stereo panning effects with an easy-to-use XY pad, allowing for real-time adjustments and creative expression. - Width Control: Adjust the stereo width to go from subtle spatial enhancements to full stereo sweeps, giving your tracks a larger-than-life presence. - Versatile Use: Ideal for music production, live performances, and sound design projects. - AUv3 Compatibility: Seamlessly integrates with your favorite DAW or music production app, offering flexibility and ease of use. - Optimized for iOS: Crafted specifically for the iOS environment, Zen AutoPan ensures a stable, high-performance experience on your favorite devices. 3D Visuals leverage SceneKit and Metal Shaders providing good visual performance on iOS devices and can also be turned off in the info menu.
Screenshots
Verdict
The clearest difference is price: Zen AutoPan at Free against SimplyFlange's $0.99. Zen AutoPan also leads on ratings volume (15 vs 1). SimplyFlange's advantage is update cadence (every 9 days vs every 13 months) and rating (5.0 vs 4.7). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Zen AutoPan is free to download; SimplyFlange costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SimplyFlange holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Zen AutoPan has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of SimplyFlange's written reviews are positive against 80% of Zen AutoPan's.
SimplyFlange ships an update every 9 days, Zen AutoPan every 13 months. The most recent releases landed on October 4, 2026 and October 21, 2026 respectively.
| Parameter | SimplyFlange | Zen AutoPan |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | 4.7 (15 ratings) |
| Positive reviews | 100.0% of reviews — better | 80.0% of reviews |
| Number of ratings | 1 | 15 — better |
| Update frequency | Every 9 days — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Brad Howes | Tom Power |
Customer experience
SimplyFlange
Zen AutoPan
In-app purchases
SimplyFlange
No in-app purchases
Zen AutoPan
No in-app purchases









