Comparison

Vitalab vs Protocol Grip Trainer

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

Head to head
About

Vitalab

Features
Read full description

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

About

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.

Highlights
  • Bluetooth connectivity
  • Workout tracking
  • Grip strength measurement
  • Structured workouts
  • Progress monitoring
Features
Read full description

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

Vitalab4 screens
Protocol Grip Trainer4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Vitalab versus Protocol Grip Trainer: the parameters behind the verdict, then further details
ParameterVitalabProtocol Grip Trainer
Price$9.99Free — better
Rating—5.0 (7 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—7 — better
Update frequencyEvery 5 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.6
Further details — not scored
Size62 MB30 MB
Age rating17+4+
DeveloperSATHeart SASawyer Blankenship

In-app purchases

None

Vitalab

No in-app purchases

None

Protocol Grip Trainer

No in-app purchases

Questions

Is Vitalab free?
Vitalab costs $9.99, with no in-app purchases.
Is Protocol Grip Trainer free?
Protocol Grip Trainer is free to download, with no in-app purchases.
Do Vitalab or Protocol Grip Trainer have ads?
Neither Vitalab nor Protocol Grip Trainer shows ads.
Which is updated more often, Vitalab or Protocol Grip Trainer?
Vitalab ships an update every 5 months, and Protocol Grip Trainer weekly. Most recently, Vitalab was updated on October 11, 2026 and Protocol Grip Trainer on October 7, 2026.

Other comparisons