Comparison

DiR Professional vs Nitro_Gym

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

DiR Professional

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The DIR PRO app enables DIR trainers to manage their Bookings, Clients and Working Hours. Trainers can make sure they know what bookings have been made for them, who should be attending and also who has shown up in club ready for their session. Main Features include: - Manage PT bookings - Manage Client attendance status - View GX booking and manage attendees - View assigned working rota's - Manage PT Availability hours - View Client bookings

About

Nitro_Gym

Features

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Consulta el horario de tu club, busca tu próxima clase filtrando por fecha, actividad o entrenador, y reserva la sesión que más te convenga. Añade tus reservas directamente a tu calendario y gestiona fácilmente tus inscripciones, tarjetas o sesiones individuales desde tu cuenta personal.

Screenshots

DiR Professional3 screens

Nitro_Gym4 screens

Verdict

The call

The clearest difference is update cadence: Nitro_Gym at every 2 days against DiR Professional's every 12 months. DiR Professional's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DiR Professional ships an update every 12 months, Nitro_Gym every 2 days. The most recent releases landed on October 2, 2026 and October 20, 2026 respectively.

Scorecard2 real differences · 4 level

DiR Professional versus Nitro_Gym: the parameters behind the verdict, then further details
Parameter	DiR Professional	Nitro_Gym
Price	Free	Free
Update frequency	Every 12 months	Every 2 days — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone
Requires iOS	15.0 — better	16.4
Further details — not scored
Size	42 MB	124 MB
Age rating	4+	12+
Developer	Fisikal Ltd	Nitro Gym

In-app purchases

None

DiR Professional

No in-app purchases

None

Nitro_Gym

No in-app purchases

Questions

Is DiR Professional free?

DiR Professional is free to download, with no in-app purchases.

Is Nitro_Gym free?

Nitro_Gym is free to download, with no in-app purchases.

Do DiR Professional or Nitro_Gym have ads?

Neither DiR Professional nor Nitro_Gym shows ads.

Which is updated more often, DiR Professional or Nitro_Gym?

DiR Professional ships an update every 12 months, and Nitro_Gym every 2 days. Most recently, DiR Professional was updated on October 2, 2026 and Nitro_Gym on October 20, 2026.