Comparison

Caffeine vs Trainkeep

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

Head to head
About

Caffeine

Features
Read full description

Caffeine is a focused daily tracker for one thing: helping you keep your caffeine intake in view. Build your day by tapping familiar drinks and snacks such as brewed coffee, espresso, cold brew, tea, energy drinks, cola, matcha, and dark chocolate. Caffeine adds up instantly, with a clear progress bar that makes your total easy to understand at a glance. Make it yours: • Pick the drinks you use most • Add custom caffeine entries • Adjust your total when you need to • Undo the last entry in one tap Caffeine is deliberately simple: no calorie counting, no complicated dashboards—just a calm, visual way to keep your daily habit in view. Terms of Use: https://tubtaco.com/caffeine/terms

About

Trainkeep

This app facilitates communication and progress tracking between coaches and athletes. Athletes can log workouts, meals, and supplements offline, while coaches can manage rosters, provide feedback, and create plans. It supports multiple languages and units of measurement.

Highlights
  • Offline workout and meal logging
  • Real-time progress tracking
  • Coach-athlete communication
  • Customizable training plans
  • Supplement and meal protocol tracking
  • Form check video analysis
Features
Read full description

Trainkeep is where a coach and their athletes work together. The coach writes the plan; the athlete trains it, logs it and sends it back — and both of you see the same thing. FOR ATHLETES Train from the plan your coach wrote Today's session is on the home screen. Log it set by set — weight and reps, one thumb, between sets. Add sets, drop the ones you skipped, swap an exercise, or start a free session your coach never planned. The plan is a suggestion; your log is what actually happened. Works with no signal Every set is saved on your phone first. Train in a basement gym or on a plane — your session goes out on its own when you are back online. Your training plan, meal plan and supplements open offline too. Eat from the plan Your coach's meal plan — meals, options, portions and macros — in the same app you train with, and your supplement protocol: tick each one off as you take it, even with no signal. Stay in touch with your coach Send check-ins with your weight, measurements and progress photos. Film a set for a form check and read what your coach says back. Sign documents, answer questionnaires and message your coach. See your progress Every exercise's history and your best sets. FOR COACHES Your roster, with what needs you on top Check-ins to read, form checks, messages and skipped sessions — pinned above everyone else. Every athlete, in full Their training plan, meal plan, supplements, body stats and check-ins. Consistency shows every session against the plan, and how consistently each athlete takes their supplements, week by week; Strength shows how each lift has moved and what is improving. Coach from anywhere Answer form checks and messages, hand out workouts, meal plans and supplement protocols from your library, invite new athletes and adjust a plan between sessions. IN SIX LANGUAGES English, Polski, Español, Deutsch, Français and Italiano — kilograms or pounds. Athletes join through their coach's invite. Coaches can create an account in the app. SUBSCRIPTIONS Solo and Pro are optional auto-renewable subscriptions that give a coach room for more athletes. Payment is charged to your Apple account, and a subscription renews automatically until you cancel it in your Apple account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://trainkeep.com/privacy

Screenshots

Caffeine3 screens
Trainkeep4 screens

Verdict

The call

The clearest difference is ads: Caffeine at none against Trainkeep's shown. Trainkeep's advantage is iOS requirement (16.4 vs 26.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Caffeine sells 1 in-app purchase, starting at $1.00 per month and Trainkeep sells 4 in-app purchases, starting at $23.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 7 level
Caffeine versus Trainkeep: the parameters behind the verdict, then further details
ParameterCaffeineTrainkeep
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Daily
AdsNo — betterYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS26.016.4 — better
Further details — not scored
Size23 MB60 MB
Age rating4+4+
DeveloperJonah WitcigTrainkeep LLC

In-app purchases

1 purchases

Caffeine

Subscriptions1
  • Caffeine Plus Monthly7 Days trial$1.001 Month
4 purchases

Trainkeep

Subscriptions4
  • Solo — monthly$23.991 Month
  • Pro — monthly$37.991 Month
  • Solo — annual$239.991 Year
Show 1 more
  • Pro — annual$379.991 Year

Questions

Is Caffeine free?
Caffeine is free to download, with in-app purchases available.
Is Trainkeep free?
Trainkeep is free to download, with in-app purchases available.
Do Caffeine or Trainkeep have ads?
Trainkeep shows ads; Caffeine does not.

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