Libro Watch vs 40 Days Workout
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Libro Watch
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Libro Watch APP is a companion application for smartwatches. Its main functions are as follows: 1. One of the main functions of the APP is to push incoming calls and SMS/MMS received by the mobile phone to the associated smartwatch so that you can answer and view SMS/MMS on the watch; when the watch rejects the call, you can quickly reply, and the APP will send a pre-configured SMS to the caller. It should be noted that the APP will request "SMS and call log permissions" to implement these functions. Without these permissions, the application will not be available. 2. Record the heart rate data collected by the smartwatch and display it in the form of line graphs and bar graphs based on the heart rate data; 3. Record the exercise data collected by the smartwatch, including steps, cadence, distance, etc., and display it in the form of line graphs and bar graphs; 4. Record the sleep data collected by the smartwatch and display it in the form of line graphs and bar graphs; 5. Use the watch to start exercise or fitness; 6. Set reminders and alarms for the smartwatch. The data on the APP is not used for medical purposes, but only for general health/fitness purposes. [HealthKit] You can sync your Libro Watch's step count, heart rate, and sleep data to HealthKit.
40 Days Workout
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40 Days Workout is a structured 40‑day fitness tracker where you log your own exercises day by day. Add exercises from a custom library, rate your effort, take notes, and track water intake. Complete each day on your own terms—mark it done when ready or skip as rest. With progress charts, achievements, rest timer, and full Arabic support, it keeps you motivated through a bold red/black theme.
Screenshots
Verdict
The clearest difference is ads: Libro Watch at none against 40 Days Workout's shown. Libro Watch also leads on iOS requirement (12 vs 14.0). 40 Days Workout's advantage is update cadence (daily vs every 6 weeks). On price, 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.
Libro Watch ships an update every 6 weeks, 40 Days Workout daily. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.
| Parameter | Libro Watch | 40 Days Workout |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 weeks | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12 — better | 14.0 |
| Further details — not scored | ||
| Size | 343 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | ALITTIHADIYA TRADING COMPANY | Solanki Saleembhai |
In-app purchases
Libro Watch
No in-app purchases
40 Days Workout
No in-app purchases
Questions
Is Libro Watch free?
Is 40 Days Workout free?
Do Libro Watch or 40 Days Workout have ads?
Which is updated more often, Libro Watch or 40 Days Workout?
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