MariposasMariposas vs CalPets
By Zachary, builder of Mariposas
· Last updated June 2026
CalPets is a cute buddy that evolves as you burn calories or hit step goals, with unlockable outfits. It’s a fun pet app. The real difference is what you’re rewarded for: CalPets grows its pet from calories or steps, while Mariposas rewards real logged workouts, strength training (sets and reps), GPS runs, and studio classes, with collectible watercolor pets, outfits, streaks and friends.
Track lifts, runs & classes and collect a pet for every session, free on iOS.
Download free on iOS| Mariposas | CalPets | |
|---|---|---|
| Rewards you for | Real workouts, lifts, runs & classes | Calories or steps |
| Tracks actual workouts | ✅ Sets/reps, GPS runs, class calories | - |
| Pets & outfits | ✅ Collectible watercolor pets + outfits | ✅ Evolve a pet from calories/steps |
| Price | Free | Free with in-app purchases |
The honest take
Where CalPets stands out: an adorable pet that evolves through forms, calorie or step mode, unlockable pet outfits. It grows a pet from calories or steps rather than tracking actual workouts, there is no set/rep logging, GPS runs or class tracking, and no streak or friends layer.
Pick CalPets if you want an adorable calorie/step buddy and don’t need a real workout log.
Pick Mariposas if consistency is your real obstacle, a pet for every workout, streaks and friends are built to make showing up stick.
Full disclosure: this comparison is published by the maker of Mariposas; we keep CalPets’s strengths honest so it stays genuinely useful.
What CalPets Actually Does Well
The pet evolution mechanic is genuinely clever. Your little companion changes form as you accumulate calories burned or steps, which gives you a visual, emotional hook that a plain progress bar never could. For a lot of people, especially those who find traditional fitness apps cold or intimidating, seeing a creature grow because of something you did today is a real motivator. The unlockable outfit system adds a collectible layer that keeps the novelty from wearing off quickly.
CalPets also deserves credit for keeping the experience simple. You pick calorie mode or step mode, you move, your pet responds. There is no learning curve, no terminology to decode, no screens of data to interpret. For someone whose main barrier to consistency is feeling overwhelmed by fitness apps, that simplicity is a real feature, not a compromise.
The aesthetic does real work too. Cute, polished character design lowers the psychological stakes around exercise. You are not staring at a performance dashboard; you are taking care of something. That reframe helps certain users show up more consistently, and that matters more than any feature list.
Where the Two Apps Point in Different Directions
CalPets measures activity through calories burned or step count. Both of those are proxies, useful ones, but they do not capture what most people who are trying to get stronger, faster, or fitter actually need to track. A 45-minute strength session, a tempo run with splits, a yoga class, a cycling workout with power output: none of those live inside CalPets as logged, reviewable training data. There is no place to record sets, reps, weight, pace, or class type.
Mariposas is built around that logged workout layer. You record the actual session, whether that is a barbell lift with specific weights and rep counts, a GPS-tracked run, or a class you attended, and the app ties your streak and social features to that training record. Your friends see real workout activity, not just step totals. That distinction matters if you are following a structured program or training toward something specific, because the log becomes your record of progress over weeks and months.
The social and streak architecture also differs. CalPets is largely a solo experience with your pet as the companion. Mariposas layers in friends, shared streaks, and community accountability built around actual workouts. If the social pressure of knowing a friend can see your training log is what gets you to the gym on a tired Thursday, that distinction is the whole ballgame.
FAQ
- Can I use CalPets and Mariposas at the same time?
- Yes, and for some people that combination actually works well. CalPets can sit in the background rewarding you for general daily movement while Mariposas handles your structured workout log, streaks with friends, and class tracking. They are not competing for the same function, so running both does not create confusion or redundancy.
- Does CalPets track actual workouts like sets, reps, or GPS runs?
- No. CalPets is built around calories burned and step count as its core inputs. There is no set or rep logging, no GPS route recording, and no class check-in system. If you need a detailed record of your training, for example tracking that you squatted 185 pounds for 4 sets of 8 last Tuesday, CalPets is not designed for that.
- Who is CalPets the better fit for?
- CalPets suits someone whose main goal is building a daily movement habit around steps or general activity, and who responds well to character-based rewards. It is a particularly good fit for people who find traditional fitness tracking stressful or boring and just want a low-pressure reason to move more each day. If structured training logs, GPS runs, or workout streaks with friends are part of what you need, a different tool serves that.
- Is there a friends or social layer in CalPets?
- CalPets centers on the solo relationship between you and your pet rather than a social workout community. Mariposas is specifically built with a friends layer where your logged workouts, streaks, and classes are visible to people you follow, which creates a different kind of accountability than a private pet companion does.