CoreAI Zoo vs CodePad!
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
CoreAI Zoo
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CoreAI Zoo puts the open-weight AI model zoo on your iPhone, iPad and Mac. Pick a model, download it once, and run it entirely on your device. No account, no server, and nothing you type, say or photograph ever leaves the device. CHAT Stream answers from open language models such as Qwen3, Gemma, LFM2.5, Granite and Mistral, from 0.6B to 30B+ parameters depending on your device's memory. Vision-language models (Qwen3-VL, MiniCPM-V, LFM2.5-VL) answer questions about your photos. VISION Ask questions about an image, read text with on-device OCR, and describe what the camera sees. AUDIO Transcribe speech with Whisper large-v3-turbo, Parakeet and Qwen3-ASR. Talk to an audio-understanding model, generate speech with Kokoro and VoxCPM, and try on-device music generation. CAMERA Live depth estimation, object detection (YOLOX, RF-DETR), action recognition and super-resolution on the camera feed. TOOLS Experimental models such as diffusion-based language models. BENCH Measure load time, tokens per second and memory for any chat model on your own hardware. HOW IT WORKS Every model runs through Core ML on Apple silicon. Weights are downloaded from the Hugging Face Hub on first use over HTTPS, then cached, so the app works offline afterwards. One model is resident at a time to stay within memory limits. New models arrive through a live catalog without an app update. GETTING STARTED Start with Qwen3-0.6B (454 MB) for the fastest first run. Larger models state the free space and memory they need; a recent iPhone Pro or an Apple silicon Mac runs the mid-size ones comfortably. Model weights follow their own licenses, listed on each model's Hugging Face page. The app itself is BSD-3-Clause and part of the open CoreAI model zoo. Report issues and request models at github.com/john-rocky/coreai-model-zoo.
CodePad!
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CodePad is a lightweight code viewer and editor for your iPhone and iPad that opens your files directly โ not a copy. Browse to any code or text file (HTML, JSON, Swift, Python, JS, and more), view it instantly, and edit it in place with a single tap. Changes save straight back to the original file, so what you edit is what stays on disk. โข Open files directly from the Files app โ no copying, no import step โข Instant syntax-aware viewing for common code and markup files โข One-tap edit mode with clear save/cancel controls โข Saves changes directly to the source file โข Simple, distraction-free interface built for quick edits CodePad is built for anyone who needs to peek at or tweak a code file on the go โ students, developers, and anyone managing text-based files on their iPhone or iPad.
Screenshots
Verdict
The clearest difference is update cadence: CoreAI Zoo at daily against CodePad!'s every 4 weeks. CodePad!'s advantage is iOS requirement (18.0 vs 27.0). On price, ads, in-app purchases and device support there is nothing between them.
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.
CoreAI Zoo ships an update daily, CodePad! every 4 weeks. The most recent releases landed on September 27, 2026 and October 3, 2026 respectively.
| Parameter | CoreAI Zoo | CodePad! |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily โ better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 27.0 | 18.0 โ better |
| Further details โ not scored | ||
| Size | 11 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Daisuke Majima | JIN SIK CHOI |
In-app purchases
CoreAI Zoo
No in-app purchases
CodePad!
No in-app purchases









