AR Memory DC vs Solfege Tuner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AR Memory DC
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The National Mall in Washington, DC is at the center of national memory in the United States. It features several world class history museums, iconic memorials and many historical markers. Yet, much of the nation’s painful history remains forgotten, especially in the open spaces of the Mall. The National Mall Memory AR app helps you discover and learn about some of the more difficult chapters in US history. Select the AR function, look through the camera to see virtual historical markers near you on the Mall. Look at the map to find the location of all virtual markers.
Solfege Tuner
Enhance your vocal pitch and ear training with advanced solfege techniques. This app offers real-time pitch detection and supports various scales and modes for comprehensive musical development.
- Real-time pitch detection
- Movable-do solfege techniques
- Multiple scale types
- Advanced musical modes
- Minimalist interface
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Practice your vocal pitch with advanced movable-do solfege techniques in various keys and scale types. Perfect for ear training, sight singing, and vocal development. FEATURES: • Real-time pitch detection with cents accuracy • Multiple scale types including major, minor, harmonic minor, melodic minor • Advanced modes: Dorian, Phrygian, Lydian, Mixolydian, and Locrian • Beautiful, minimalist interface with responsive design • Proper movable-do syllables for each scale type Developed by Mitchell Cohen, faculty at Berklee College of Music.
Screenshots
Verdict
The clearest difference is update cadence: Solfege Tuner at every 3 months against AR Memory DC's every 16 months. AR Memory DC's advantage is iOS requirement (13.0 vs 15.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
AR Memory DC ships an update every 16 months, Solfege Tuner every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | AR Memory DC | Solfege Tuner |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 16 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 133 MB | 6 MB |
| Age rating | 9+ | 4+ |
| Developer | Ka Man Yan | Mitchell Cohen |
In-app purchases
AR Memory DC
No in-app purchases
Solfege Tuner
No in-app purchases





