WASP Sim vs Signa AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WASP Sim
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This application is used to provide network traffic similar to a WASP unit with multiple sensors sending data to it. There are fixe types of sensors supported. Heart Rate Bike Power Bike Cadence Speed & Distance Monitors Fitness Equipment Up to 200 of each type can be independently supported
Signa AI
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Signa AI turns everyday text, audio and speech into sign language, right on your iPhone or iPad. Type or paste a sentence, record your voice, or upload an audio file and watch a clear avatar sign it back to you. Built to make communication more accessible for the Deaf and hard-of-hearing community, Signa AI works in Kinyarwanda, French and English. What you can do • Type or paste text and see it signed • Record your voice and have it transcribed, then signed • Upload an audio file (MP3, WAV, M4A) and get a signed version • Watch a clean, easy-to-follow signing avatar • Revisit your previous translations anytime in the History tab at no cost Languages Speak or type in Kinyarwanda, French or English, then choose your sign-language output: Kinyarwanda Sign Language, American Sign Language, French Sign Language or British Sign Language. Signed output is powered by a research-backed pose model, and our coverage keeps improving. Who it's for • Schools and teachers caption lessons for Deaf students • Creators and YouTubers add a signing avatar to your videos • Broadcasters and organizations make announcements accessible • Anyone who wants to connect with Deaf friends, family or customers Signa AI is built by Xendly Labs in Kigali, Rwanda. Questions or feedback? Email [support@xendlylabs.com](mailto:support@xendlylabs.com) we'd love to hear from you.
Screenshots
Verdict
The clearest difference is update cadence: Signa AI at every 11 days against WASP Sim's every 8 months. WASP Sim's advantage is iOS requirement (9.0 vs 16.4). 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.
WASP Sim ships an update every 8 months, Signa AI every 11 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.
| Parameter | WASP Sim | Signa AI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 8 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 28 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | NPE Inc | 4K Media |
In-app purchases
WASP Sim
No in-app purchases
Signa AI
No in-app purchases









