PocketML vs Orbit
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
PocketML
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PocketML is an easy-to-use app for training and using machine learning models. It starts with linear regression to help users understand data and make predictions.ย PocketML is great for those interested in practical machine learning in a user-friendly way. Features: Data Table: Create, edit, and handle data tables in the app, including .xls file import. Graphs: Shows data and linear regression visually in an interactive way. Simple Interface: Great for beginners and experienced users in machine learning. DarkMode: For late science :) Models: - Linear Regression - Polynomial Regression More models are coming soon!
Orbit
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Orbit is a spaced-repetition flashcard app built around one idea: memories are satellites, and reviewing them is what keeps them from losing altitude. THE ENGINE Orbit is scheduled by FSRS (Free Spaced Repetition Scheduler) โ the same open-source algorithm that's become the standard among serious Anki users because it predicts your memory more accurately than older SM-2-style algorithms. Fewer wasted reviews, fewer forgotten cards. WHAT YOU GET โข Anki-style notes and cards, including cloze deletion and rich text (bold, italic, code, fenced blocks) โข Image occlusion โ turn any photo, diagram, or map into a set of flashcards by drawing masks directly over the parts you want to test yourself on โข A full stats suite: retention over time, forecasted review load, a knowledge heatmap, leech detection for cards you keep forgetting, and deadline readiness for exams or deadlines โข Streaks, XP, and banked streak freezes that reward consistency without shaming you for a missed day โข Text-to-speech playback for hands-free review โข A free starter deck โ Flags of the World, 197 cards โ so there's something worth reviewing the moment you install PRIVATE BY DEFAULT Orbit makes no network calls for your data. Everything โ every card, every review, every stat โ lives in a local database on your device. Nothing is uploaded, nothing is sold, there are no ads, and there's no account to create. Delete anything, anytime. BUILT FOR DAILY USE Grading a card is a single tap with haptic feedback. The next card is pre-rendered before you finish grading the current one, so review sessions stay fast even for long backlogs. Dark mode is a first-class experience, not an afterthought. Whether you're relearning a language, studying for boards, or just trying to remember more of what you read, Orbit is built to keep it in orbit.
Screenshots
Verdict
PocketML and Orbit are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | PocketML | Orbit |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily | โ |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 16.4 โ better |
| Further details โ not scored | ||
| Size | 3 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Peter Hafner | Joshua Fonseca |
In-app purchases
PocketML
No in-app purchases
Orbit
No in-app purchases









