Soulear vs Image FFT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Soulear
View real-time camera image data from a connected hardware device. Save photos and videos directly to your system's photo album and access them later through the application.
- Real-time camera image viewing
- Save photos and videos
- Access saved media
- Device connection support
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Soulear is a hardware device support software 1. After connecting the device, you can view the camera's image data in real time. 2. You can save the taken photos and videos to the system photo album. 3. You can view the saved images/videos through the app.
Image FFT
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Run a 2D Fast Fourier Transform on your camera feed, or on photos loaded from your camera roll. - Adjustable thresholds: Adjust the low and high threshold levels with sliders at the top of the screen - Adjustable resolution: Choose from Low (128²), Medium (256²), or High (512²). - Save the FFT output side-by-side with the processed image. This app is 100% offline, and processes no data in the cloud.
Screenshots
Verdict
The clearest difference is price: Soulear at Free against Image FFT's $1.99. Soulear also leads on iOS requirement (10.0 vs 18.6). Image FFT's advantage is update cadence (weekly vs every 2 months). On ads, in-app purchases and device support 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
Soulear is free to download; Image FFT costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Soulear ships an update every 2 months, Image FFT weekly. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.
| Parameter | Soulear | Image FFT |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 2.4 (218 ratings) — better | — |
| Positive reviews | 32.5% of reviews | — |
| Number of ratings | 218 — better | — |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 10.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 55 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 晓玲 曹 | Emma Sinclair |
Bugs and requests
Soulear
Reported bugs
10 issues- WiFi connection drops after initial pairing
- Black screen display preventing camera feed
- Device won't reconnect after first use
- App fails to recognize connected device
- Camera image distorted or not transmitting
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- Permission prompts asking for different permissions each time
- App requires restart to function properly
- Latest update broke camera angle and usability
- Device light turns off and won't recharge
- Incorrect WiFi network name displayed for connection
Requested features
5 requests- Mirror/flip option for reversed camera view
- Bluetooth connectivity instead of WiFi requirement
- Better camera positioning control within ear
- Improved customer support and troubleshooting resources
- Ability to deny permissions without breaking functionality
Image FFT
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Soulear
No in-app purchases
Image FFT
No in-app purchases
