Comparison

Dopamine Protocol vs Caleb

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

Head to head
About

Dopamine Protocol

Features
Read full description

Randomizing the things you look forward to each day is healthy. It keeps helps to raise your dopamine baseline, which leads to more productivity, energy, and a better overall mood.

About

Caleb

This app acts as a personalized strength coach, adapting workouts to your equipment, schedule, injuries, and goals. It provides daily missions and debriefs, remembering your progress to offer honest, specific guidance without hype or generic advice.

Highlights
  • Personalized workout plans
  • Adapts to equipment and schedule
  • Remembers past performance
  • Daily mission and debrief system
  • Honest and specific feedback
  • Focus on long-term capability
Features
Read full description

A coach, not an app. Most fitness apps hand you a library. You browse, you pick, you hope. Caleb is a coach. He knows your equipment, your schedule, your injuries, your goals, and every session you've already done — and he carries all of it forward into the next one. Every morning, tomorrow's mission is already written. Every evening, you report in under a minute, and Caleb writes back — honestly, specifically, in the same voice he used last week. That's the whole loop. A mission, a report, the next mission. No feed to scroll. No 500-workout library to dig through. No streaks to game. Built for a busy life. Caleb is for the people carrying real weight — a job, a mortgage, kids, a business, people who lean on them. A garage before anyone's up. A bedroom corner after the house sleeps. A hotel room on a work trip, or forty minutes at a gym between meetings. Caleb programs around the time you actually have and the equipment you actually own, and re-programs when either one changes. Not a beach photo. Not a transformation. Capability — the strength that has to show up at 2am when a sick child needs carrying up the stairs, and at 60 when it's a parent who needs the carrying. A coach who remembers. Three weeks ago your left leg shook on the last set. This morning's mission notes that it isn't shaking anymore. That is coaching. A generic AI coach starts over every session. A library app never had a memory to begin with. Caleb remembers — because remembering is half of coaching. The voice you need, not the one you'd like. No hype. No “crushing it.” No emojis. No false praise. Just what happened and what's next. Hard because he respects you. Honest because he's on your side. If life happens and you disappear for two weeks, Caleb names the gap, doesn't moralize, and gets you back to work. Why “Caleb” In Joshua 14, Caleb is 85 years old. He has waited forty-five years for what was promised to him. When he finally walks up to Joshua, he does not ask for rest. He says: “Give me this mountain.” Give me the hardest ground left. Still strong. Still claiming territory. Still useful to the people counting on him. That is the archetype — and the reason a verse of the day sits quietly on your Home screen each morning. Encouragement for the mission, never a sermon. The people who depend on you don't need a body that was strong once. They need someone who keeps showing up — for years, not weeks. Real strength for a real life. By using this app, you agree to Apple's End User License Agreement (EULA), available here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Dopamine Protocol1 screens
Caleb4 screens

Verdict

The call

The clearest difference is in-app purchases: Dopamine Protocol at none against Caleb's 2. Caleb's advantage is update cadence (weekly vs every 4 months). On price, ads, device support and iOS requirement 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. Caleb sells 2 in-app purchases, starting at $9.99 per month. Dopamine Protocol asks for nothing beyond the download.

UpkeepUpdate frequency

Dopamine Protocol ships an update every 4 months, Caleb weekly. The most recent releases landed on September 13, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 7 level
Dopamine Protocol versus Caleb: the parameters behind the verdict, then further details
ParameterDopamine ProtocolCaleb
PriceFreeFree
Rating5.0 (1 ratings) — better
Number of ratings1 — better
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchases
DevicesiPhoneiPhone, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size1 MB65 MB
Age rating4+17+
DeveloperCaleb HartleyFredys Martinez

In-app purchases

None

Dopamine Protocol

No in-app purchases

2 purchases

Caleb

Subscriptions2
  • Monthly$9.991 Month
  • Annual$99.991 Year

Questions

Is Dopamine Protocol free?
Dopamine Protocol is free to download, with no in-app purchases.
Is Caleb free?
Caleb is free to download, with in-app purchases available.
Do Dopamine Protocol or Caleb have ads?
Neither Dopamine Protocol nor Caleb shows ads.
Which is updated more often, Dopamine Protocol or Caleb?
Dopamine Protocol ships an update every 4 months, and Caleb weekly. Most recently, Dopamine Protocol was updated on September 13, 2026 and Caleb on September 20, 2026.

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