Synapse Notes vs NIJI Chat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Synapse Notes
Read full descriptionHide full description
Synaps Notes is a private, on-device note app built for local AI. Write and organize notes directly on your iPhone. Chat with your own notes and documents using local AI models. Import PDFs, images, and text files with OCR support. Keep your data on-device by default, with optional Google Drive backup. No account is required to use the core features
NIJI Chat
Read full descriptionHide full description
NIJI Chat is a privacy-first, local generative AI assistant. Unlike traditional AI, NIJI runs Large Language Models (LLMs) directly on your device. Your data never leaves your phone - no cloud, no tracking, just powerful AI that works wherever you are.
Screenshots
Verdict
The clearest difference is update cadence: Synapse Notes at every 2 days against NIJI Chat's every 9 days. On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Synapse Notes ships an update every 2 days, NIJI Chat every 9 days. The most recent releases landed on September 27, 2026 and October 3, 2026 respectively.
| Parameter | Synapse Notes | NIJI Chat |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 9 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 29 MB |
| Age rating | 4+ | 17+ |
| Developer | Can Ahmet Ozguven | PRASIDDHA THAPALIYA |
In-app purchases
Synapse Notes
No in-app purchases
NIJI Chat
No in-app purchases
