Tuner Wave vs TGSpeechBox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tuner Wave
This utility precisely tunes guitar strings with advanced frequency resolution, achieving less than 0.2% offset. It offers superior accuracy compared to other iOS tuning apps.
- Precise guitar string tuning
- Enhanced frequency resolution
- Less than 0.2% offset accuracy
- Superior to other iOS tuning apps
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Tuner Wave is a tool to be used to tune guitar strings. The accuracy of Tuner Wave beats other tuning applications running in iOS device using unique sample method to enhance the resolution of frequency. You can achieve less than 0.2% of offset of target frequency.
TGSpeechBox
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TGSpeechBox is a high-quality speech synthesizer that works as a system voice with VoiceOver and as a standalone text-to-speech app. Features: • 26 languages with natural-sounding speech • Full VoiceOver integration — use as your primary system voice • 7 voice presets plus YAML-defined voice profiles • Deep engine tuning: pitch mode, voice tone, formant sharpness, inflection, tremor, breathiness, and more • Phoneme editor: fine-tune individual speech sounds with live preview • Pronunciation dictionary: add custom word pronunciations with IPA override support • Stress, compound, and character dictionaries for advanced control • Export and share your customizations • Adjustable sample rate (11025–44100 Hz) • Rate override and rate boost for VoiceOver • Language lock: keep your preferred language regardless of system setting • Runs entirely on-device — no internet required, no data leaves your phone TGSpeechBox uses a Klatt-style formant synthesis engine with eSpeak-ng for phoneme generation. It is open source under the MIT license. Built by a blind developer, designed for accessibility from day one.
Screenshots
Verdict
The clearest difference is update cadence: TGSpeechBox at weekly against Tuner Wave's every 19 months. 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.
Tuner Wave ships an update every 19 months, TGSpeechBox weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | Tuner Wave | TGSpeechBox |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 19 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 7 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Taehyuk Kwon | Tamas Geczy |
In-app purchases
Tuner Wave
No in-app purchases
TGSpeechBox
No in-app purchases









