TGSpeechBox vs EchoScape
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
EchoScape
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Create immersive sound stories with EchoScape. EchoScape is a sound storytelling application that allows you to combine ambient sounds with written stories to create unique listening experiences. Mix natural sounds such as ocean waves, rain, wind, birds, and more to build your own soundscapes. Adjust each sound independently and create immersive stories with multiple audio tracks. Create-Create your own sound stories using a rich library of ambient sounds. Features include: · Add multiple audio tracks · Independent volume control for each track · Custom playback range · Loop and Interval playback modes · Preview before saving · Save your original creations Official Templates-Explore professionally designed sound story templates. Each template includes: · Story content · Carefully arranged ambient sounds · Multi-track sound composition Browse different themes and experience immersive sound storytelling. Submission-Share your original creations by submitting them to official events. You can also explore featured submissions from other creators for inspiration. My Library-Manage all your personal content in one place Including: · Your creations · Your submissions · Personal profile Key Features: • Multi-track sound story creation • Rich ambient sound library • Independent audio track controls • Custom playback range • Loop and Interval playback modes • Official sound story templates • Original creation submission • Personal creation management Create your own sound stories and explore immersive audio experiences with EchoScape.
Screenshots
Verdict
The clearest difference is update cadence: EchoScape at every 3 days against TGSpeechBox's weekly. 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.
TGSpeechBox ships an update weekly, EchoScape every 3 days. The most recent releases landed on September 13, 2026 and September 26, 2026 respectively.
| Parameter | TGSpeechBox | EchoScape |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 33 MB | 113 MB |
| Age rating | 4+ | 17+ |
| Developer | Tamas Geczy | 均迎 辛 |
In-app purchases
TGSpeechBox
No in-app purchases
EchoScape
No in-app purchases








