Náhuatl Sermon Translation

Why Náhuatl needs its own translation stack

Náhuatl is not one language but a cluster — Central, Huasteca, Eastern, Western, Guerrero, Orizaba, and a dozen more varieties — with deep agglutinative morphology and a theological vocabulary that pre-dates the conquest by centuries. Words like Teōtl (deity, divine reality), tlazohtlaliztli (love), and yōllōtl (heart) carry weight that Spanish equivalents flatten. Acts 2 was tuned on the Sociedades Bíblicas de México Náhuatl New Testament translations, contemporary preaching from Pentecostal and Catholic charismatic congregations in Puebla and Veracruz, and SIL field recordings going back to the 1960s. Your Náhuatl Bible vocabulary — Totātzin (Our Father), Espíritu Santo, in tlanēltocac (the believer) — is honored the way Náhuatl-speaking believers actually use it, not back-translated through Spanish.

Built for Mexican mission churches

The pattern repeats across central Mexico: a sending church in Puebla, Guadalajara, or Mexico City partners with a mission congregation up in the sierra, the pastor preaches Spanish, the bilingual deacon tries to keep up, and the Náhuatl-speaking elders nod politely while losing half the message. Acts 2 dissolves that compromise. Set up takes ten minutes. Your sermon streams in Náhuatl to every phone in the room and to satellite congregations in nearby pueblos. Mission churches in Zacatlán, Cuetzalan, Chilapa, and Zongolica are already using Acts 2 to multiply one preaching team across the Sierra Norte on a single Sunday morning — without needing to find a Náhuatl interpreter who can also exegete.

Cost compared to human interpretation

A qualified Spanish-Náhuatl church interpreter, when you can find one, runs $80 to $150 per hour in Puebla and Mexico City — and many highland varieties have no professional interpreters at all. A one-week missions trip with daily services traditionally meant $1,800 to $3,500 in interpretation alone, before transportation. Acts 2 charges roughly $0.005 per minute of translated audio. A full week of services translates for under $5. We are not trying to undercut human interpreters on margin — we are trying to make Náhuatl sermon translation so cheap that no sierra congregation has to wait for the gospel because the budget ran out.

Live captions, not a synthetic voice

Acts 2 does not ship a voice it cannot do well. Náhuatl has no production-grade text-to-speech we would put in front of a congregation, so we do not fake one. What you get instead is live Náhuatl captions on every phone in the room, generated as you preach — your own voice carries the room out loud, and the translation runs in text alongside it. Sierra Norte pastors made the case for us: older Náhuatl speakers have an immediate ear for whether a voice is real, and a canned text-to-speech voice gets rejected within thirty seconds. Your own voice stays in the room, and the Náhuatl runs in text beside it. When Náhuatl voice synthesis reaches a standard we would stake a pulpit on, we will ship it and say so plainly.

Frequently asked questions