App for personal trainers and gyms
EspañolAera vs Kaizer for personal trainers
Kaizer and Aera are both software for coaches. This page sets side by side what each one publishes about price, language, nutrition, billing and teams. It is not a ranking.
Is Aera an alternative to Kaizer? It can be if you want plans, nutrition and follow-up in Spanish and English. It does not copy, feature for feature, what Kaizer describes on its site.
Aera's prices come from this website. The other column comes from the pages linked at the bottom, read on that date. If a fact is not on the source, the cell says so.
| What is compared | Aera | Kaizer |
|---|---|---|
| Published price | Published on this site, in USD. Coaches: Starter: USD 19/mo (Up to 10 clients). Pro: USD 39/mo (Up to 30 clients). Growth: USD 69/mo (Up to 60 clients). Gyms: Sede: USD 89/mo (Unlimited clients at one location). Cadena: USD 149/mo (Up to 4 locations in one view). Red: Let's talk (Unlimited locations). | According to kaizer.app/precios (that page says it was last updated on 27 September 2026): Basic USD 5/month (up to 3 clients), Starter USD 19/month (up to 15), Pro USD 49/month (up to 50) and Arnold USD 149/month (up to 500). They also publish a lower annual price, described as 2 months free. |
| Prices in Argentine pesos (ARS) | This site does not publish a price list in Argentine pesos. The plans above are in USD. | The same page publishes monthly ARS prices: Basic 8,000, Starter 30,000, Pro 70,000 and Arnold 200,000. It also lists a lower annual equivalent (for example Basic 6,500 per month, billed annually). Read the page, because it mixes monthly and annual. |
| Language | Spanish and English | On kaizer.app they say the full product is in Spanish, Portuguese and English, including the client app. |
| Nutrition | Plans with calories and macros, a database of thousands of foods, and meal analysis from a photo or text. On the plan list, meal analysis by image and text is listed on Pro and Growth. | On kaizer.app/precios, macro tracking and meal plans start on Starter, without AI, and become AI-assisted on Pro. Basic does not include nutrition, according to that page. |
| Billing | You log payments and account status inside Aera, with automatic due-date reminders. | On kaizer.app they describe payment tracking: who owes, who paid, and reminders. They say the money is collected outside Kaizer and that Kaizer does not process the payment. The coach subscription is paid by card, Stripe or Mercado Pago. |
| Several coaches or a gym | Yes. The Sede plan unifies staff and clients at one location. Cadena adds several locations; Red is custom for franchises. If you are a PT and want a nutritionist or a second coach, use Pro or Growth plus an extra seat (USD 9.99/mo). Starter is one trainer. | The pricing page does not publish a multi-location plan or a price for an extra coach. On kaizer.app they address personal trainers, online coaches and gym coaches. Team and locations: check the product. |
| Trial | 2 weeks free, no card required | 14 days free, no card, on every plan. They say there is no free plan after the trial and that the entry plan is Basic at USD 5/month (kaizer.app/precios). |
| Client app | Mobile app (iOS and Android) and web dashboard. The client uses the Aera app. | They publish a client app on iOS and Android. The coach app is listed from the Starter plan (kaizer.app/precios). |
Pros and cons, from what is published
- Kaizer publishes a lower entry plan (Basic, USD 5, up to 3 clients) and a peso price list. Aera publishes its plans in USD only; the detail is in the Aera column.
- Kaizer describes AI that adjusts load and reps after each logged session, and a coach marketplace. Those features are not described on Aera's home page.
- Aera publishes in-app nutrition and plans for one location or several. On Kaizer's pricing page, nutrition starts on Starter and a multi-location plan is not listed.
- Both trials are card-free: 14 days on Kaizer and 2 weeks on Aera.
Questions
Is Aera an alternative to Kaizer?
It can be if you want an app for personal trainers or gyms, in Spanish and English, with training plans, nutrition and payment logging. It is not the same product: Kaizer publishes plans from USD 5, prices in pesos and AI that adjusts loads. Aera publishes plans in USD, with no peso list, and plans for one location or several. The table was reviewed on 28 October 2026.
Does Aera list prices in pesos the way Kaizer does?
Not on this site. Aera's plans are in US dollars. Kaizer does publish ARS prices on kaizer.app/precios. Both lists can change: read them on the day you compare.
Does Aera include nutrition compared with Kaizer?
Aera publishes it on its plans: nutrition with calories and macros, and meal analysis by image and text on Pro and Growth. Kaizer, on its pricing page, includes nutrition from Starter and with AI from Pro.