StringTrue vs 极简调音
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StringTrue
This application provides a precise and user-friendly guitar tuning experience. It offers multiple tuning presets and a chromatic mode for detailed pitch analysis. The app confirms tuning stability with visual, auditory, and haptic feedback.
- Multiple standard and custom tunings
- Chromatic mode with note, octave, and frequency
- Tap-to-lock string detection
- Visual, audio, and haptic tuning confirmation
- Adjustable A4 reference pitch
- Real-time, on-device audio analysis
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StringTrue is a focused, easy-to-use guitar tuner. It starts detecting pitch as soon as you open it — no account, no ads, and no unnecessary setup. Features: - Standard, Drop D, Dsus4, Open G, Open D, and Half Step Down tunings - Chromatic mode with note, octave, frequency, and cents - Tap a string to lock its target; tap it again to return to automatic detection - Sound, animation, and haptic confirmation when stable within ±2 cents - Multiple A4 reference pitches with on-device preference saving - Audio is analyzed in real time only on your device and is never recorded or uploaded
极简调音
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不需要注册、没有任何弹窗、没有多余内容、打开就可调音。 【三种乐器，免费起步】 吉他、贝斯、尤克里里的标准调弦永久免费。自动识别你正在弹的弦，也可以手动点选 【自定义调弦（Pro）】 降半音、开放调、特殊调法——创建并保存你自己的调弦。 【iCloud 同步（Pro）】 你的自定义调弦会通过 iCloud 在你的设备之间同步——换机、重装，调弦不丢。音频始终只在本机处理；同步的只有你自己创建的调弦配置，存储在你个人的 iCloud 空间，我们无法访问。 【音频识别能力提升】 纯本机音频识别，拨弦后约 0.2 秒内给出稳定读数；音准进入 ±5 音分并保持片刻，对号即刻点亮确认。 【纯端侧使用】 不收集个人数据，无需注册，没有第三方内容。
Screenshots
Verdict
The clearest difference is in-app purchases: StringTrue at none against 极简调音's 1. On price, update cadence, ads 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. 极简调音 sells 1 one-off in-app purchase. StringTrue asks for nothing beyond the download.
StringTrue ships an update every 3 weeks, 极简调音 every 2 weeks. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.
| Parameter | StringTrue | 极简调音 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | 冲 张 | 相 刘 |
In-app purchases
StringTrue
No in-app purchases
极简调音
- Minimal Tuner Pro$0.99
