# Limits vs MDViewer

The clearest difference is in-app purchases: MDViewer at none against Limits's 3. MDViewer also leads on review sentiment (100% vs 70%) and iOS requirement (16.0 vs 26.0). Limits's advantage is chart position (#40 vs unranked). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Limits sells 3 in-app purchases, starting at $1.99 per month. MDViewer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Limits | MDViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (22 ratings)](https://appshunter.io/ios/app/limits-ai-usage-tracker/id6783130074/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 70.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#40** | — |
| Size | 19 MB | 8 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Pranav Karthik Mruthyunjayan](https://appshunter.io/developer/1750069898) | [Crocopliers](https://appshunter.io/developer/1896397771) |

## What reviewers say

### Limits

[App page](https://appshunter.io/ios/app/limits-ai-usage-tracker/id6783130074)

**Currently charting:** #40 Top Grossing · Developer Tools, #174 Top Free · Developer Tools (US App Store)

Monitor your AI coding rate limits across multiple providers in one convenient dashboard. View session usage, weekly quotas, and reset timers with customizable widgets for at-a-glance updates. This app prioritizes privacy with on-device token storage and no tracking.

**Highlights:** AI rate limit monitoring, Session usage tracking, Weekly quota display, Reset countdown timers, Home and Lock Screen widgets, On-device token storage, Supports Codex, Claude, Cursor

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $6.99 | per year |
| Limits Pro | $14.99 | one-time |


### MDViewer

[App page](https://appshunter.io/ios/app/mdviewer-quick-markdown/id6809376439)

Instantly view Markdown, Mermaid diagrams, and JSON files with this native iOS app. It offers syntax highlighting for over 180 languages, LaTeX math rendering, and PDF export. Your documents remain private and accessible offline.

**Highlights:** Markdown viewing with GFM support, Mermaid diagram rendering, Syntax highlighting for 180+ languages, LaTeX math formula support, Interactive JSON viewer, PDF export, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Limits free?

Limits is free to download, with in-app purchases available.

### Is MDViewer free?

MDViewer is free to download, with no in-app purchases.

### Do Limits or MDViewer have ads?

Neither Limits nor MDViewer shows ads.

### Which is updated more often, Limits or MDViewer?

Limits ships an update every 3 days, and MDViewer every 3 days. Most recently, Limits was updated on October 13, 2026 and MDViewer on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*