Vitalab vs Protocol Grip Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vitalab
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Monitoring your nervous and cardio-respiratory states ============================================================= Vitalab is a holistic digital health companion that allows you to monitor and control certain physiological parameters in real time such as: - Heart rate: the number of heartbeats per minute - Heart rate variability: the variability of your heartbeats, which reflects the the capacity of your nervous system to adapt - Breathing rate: the number of breaths per minute - Breathing rate variability: the variability of your breathing, which is related to your capacity to focus attention and emotional state - Synchrony: the regularity of your heart variability rhythm, which correlates with your heart-brain connection flow Tool to rebalance your energies ============================================================= - Vitalab implements mindful breathing biofeedback that helps rebalance your energies to target either calming or boosting - A Breathing Score is computed in real time and indicates your rebalancing capacity Holistic metrics: ============================================================= - Vitalab computes your Energy Balance score, which displays the balance of your body and mind - The Energy Balance is a number between -100% and 100% depending on your relaxation or stress level at the time of measurement. Good balance is achieved around 0 Eastern energy systems ============================================================= - Vitalab proposes an alternative view of your health by computing Eastern energies correlated to the Indo-Tibetan 3-energies known as the Doshas and Humors - The Prana or Qi is quantified via a measure of your nervous system activity and its capacity to manifest a smooth flow. - For a better understanding of these 3-energies, Vitalab proposes a self-check of your baseline (known as constitution) via a questionnaire - The Vitalab 3-energies are however, only estimations. A precise assessment should always be performed by a qualified Eastern physician
Protocol Grip Trainer
This app pairs with a Bluetooth grip trainer device to track your grip strength workouts. Perform structured exercises to improve your grip and monitor your progress directly on your phone.
- Bluetooth connectivity
- Workout tracking
- Grip strength measurement
- Structured workouts
- Progress monitoring
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Companion app to the Protocol Grip Trainer, a grip trainer device which uses Bluetooth to record workouts to your phone. Discover how strong your grip is! Perform structured workouts to strengthen your grip!
Screenshots
Verdict
The clearest difference is price: Protocol Grip Trainer at Free against Vitalab's $9.99. Protocol Grip Trainer also leads on update cadence (weekly vs every 5 months). Vitalab's advantage is iOS requirement (12.0 vs 16.6). On ads, 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
Protocol Grip Trainer is free to download; Vitalab costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Vitalab ships an update every 5 months, Protocol Grip Trainer weekly. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.
| Parameter | Vitalab | Protocol Grip Trainer |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | — | 5.0 (7 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Every 5 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 62 MB | 30 MB |
| Age rating | 17+ | 4+ |
| Developer | SATHeart SA | Sawyer Blankenship |
In-app purchases
Vitalab
No in-app purchases
Protocol Grip Trainer
No in-app purchases
Questions
Is Vitalab free?
Is Protocol Grip Trainer free?
Do Vitalab or Protocol Grip Trainer have ads?
Which is updated more often, Vitalab or Protocol Grip Trainer?
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