Comparison

istas21 vs NutriLogger

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

Head to head

Meal and Hydration Tracking

Free

💪 Health & Fitness

No ratingsView app →

About

istas21

Features

Read full description

Esta APP gratuita para móviles y tabletas tiene como objetivo aproximarte a la prevención de riesgos psicosociales. Contestas un cuestionario sobre tus condiciones de trabajo y puedes compartir tus resultados vía WhatsApp, Gmail, BlueMail, Telegram, etc. Se basa en la metodología COPSOQ-ISTAS21 (v3).

About

NutriLogger

Features

Read full description

Eat Smart, Hydrate Right, and Thrive with NutriLogger! Take the first step to a healthier you today, exclusively on iOS. Easily track calories and hydration for a balanced life. Calorie Tracking: Quick and convenient calorie tracking. Smart Hydration: Easily log your daily water intake. Detailed Insights: Visualize your progress over time. Let NutriLogger handle the heavy lifting while you live a healthier life. Download now!

Screenshots

istas214 screens

NutriLogger4 screens

Verdict

The call

The clearest difference is in-app purchases: istas21 at none against NutriLogger's 2. istas21 also leads on iOS requirement (7.0 vs 16.0). NutriLogger's advantage is update cadence (every 5 weeks vs every 15 months). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. NutriLogger sells 2 in-app purchases, starting at $0.99 per month. istas21 asks for nothing beyond the download.

UpkeepUpdate frequency

istas21 ships an update every 15 months, NutriLogger every 5 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 3 level

istas21 versus NutriLogger: the parameters behind the verdict, then further details
Parameter	istas21	NutriLogger
Price	Free	Free
Update frequency	Every 15 months	Every 5 weeks — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	7.0 — better	16.0
Further details — not scored
Size	25 MB	7 MB
Age rating	4+	4+
Developer	SPL SISTEMAS DE INFORMACION, SL	Murilo Ribeiro de Oliveira

In-app purchases

None

istas21

No in-app purchases

2 purchases

NutriLogger

Subscriptions2

Monthly Subscription$0.991 Month
Annual Subscription$4.991 Year

Questions

Is istas21 free?

istas21 is free to download, with no in-app purchases.

Is NutriLogger free?

NutriLogger is free to download, with in-app purchases available.

Do istas21 or NutriLogger have ads?

Neither istas21 nor NutriLogger shows ads.

Which is updated more often, istas21 or NutriLogger?

istas21 ships an update every 15 months, and NutriLogger every 5 weeks. Most recently, istas21 was updated on October 26, 2026 and NutriLogger on October 25, 2026.