93.3 KIOA vs CentiGrade Visual Tuner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
93.3 KIOA
Stream Des Moines' Greatest Hits live and connect with local radio personalities. Send song requests, provide feedback, and stay updated on Central Iowa happenings through this music application.
- Live music streaming
- Connect with radio hosts
- Send song requests
- Provide feedback
- Local Central Iowa updates
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Des Moines’ Greatest Hits are on the new 93.3 KIOA app now! Connect with Luke and Jeriney in the Morning weekdays 5:30 to 10, keep up with all things Central Iowa or send us your requests and feedback via the Open Mic. Check us out at http://KIOA.com.
CentiGrade Visual Tuner
This app provides instant, ad-free tuning with a unique rolling trace feature for pitch practice. Its interface dynamically zooms as you approach the target note, offering multiple visual modes and presets for various instruments.
- Instant tuning on launch
- Rolling trace for pitch history
- Dynamic zoom interface
- Fluid wave visualizer
- Chromatic, Guitar, Bass presets
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No Ads: Instant tuning as soon as you open the app. Rolling Trace: See a historical line of your pitch for perfect intonation practice. Dynamic Zoom: The interface adapts as you get closer to your target note. Multiple Modes: Toggle between a fluid wave visualizer and the rolling history roll. Presets: Support for Chromatic, Guitar, and Bass tuning.
Screenshots
Verdict
The clearest difference is price: 93.3 KIOA at Free against CentiGrade Visual Tuner's $0.99. CentiGrade Visual Tuner's advantage is update cadence (every 4 days vs every 11 months) and iOS requirement (13.0 vs 15.6). On rating, ratings volume, ads and in-app purchases 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
93.3 KIOA is free to download; CentiGrade Visual Tuner costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for 93.3 KIOA against 5.0 for CentiGrade Visual Tuner. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
93.3 KIOA ships an update every 11 months, CentiGrade Visual Tuner every 4 days. The most recent releases landed on July 22, 2026 and September 9, 2026 respectively.
| Parameter | 93.3 KIOA | CentiGrade Visual Tuner |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 11 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 18 MB |
| Age rating | 9+ | 4+ |
| Developer | Saga Communications | PHILIP BRADLEY KING |
Customer experience
93.3 KIOA
CentiGrade Visual Tuner
In-app purchases
93.3 KIOA
No in-app purchases
CentiGrade Visual Tuner
No in-app purchases
Questions
Is 93.3 KIOA free?
Is CentiGrade Visual Tuner free?
Which has better reviews, 93.3 KIOA or CentiGrade Visual Tuner?
Do 93.3 KIOA or CentiGrade Visual Tuner have ads?
Which is updated more often, 93.3 KIOA or CentiGrade Visual Tuner?
Other comparisons
