GriDot vs SwitchPDF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GriDot
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App features: • paper style > choose from grid, horizontal line, vertical line, dotted or none. • customisable paper size. • customisable paper colour. • customisable paper padding. • customisable cell size. • customisable border colour. • customisable border colour. • light theme / dark theme. • left mode / right mode. • re-create the file using history. • ready made template Supported languages (language is based on the your IPad's language setting): • Chinese • English • Japanese • Korean For terms of use, please refer to Apple Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
SwitchPDF
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The smart two-way converter for images and PDF! • Every Feature, No Payment Use every feature right away — no payment required. • Two-Way Conversion Combine multiple images into a single PDF, or turn each page of a PDF into an image. • Choose Your Quality Pick the quality you want to control the size of the converted file. • Preview Before Converting When you select multiple images, swipe through them to check — so only what you want goes in. • Detailed File Info See key details at a glance, including file name, date created, resolution, and size. • Separate Saving & Instant Sharing Your original stays untouched — the converted files are saved separately and can be shared instantly from the app.
Screenshots
Verdict
The clearest difference is price: SwitchPDF at Free against GriDot's $2.99. SwitchPDF also leads on in-app purchases (none vs 2) and update cadence (every 9 days vs monthly). GriDot's advantage is iOS requirement (13.0 vs 15.0). On ads 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
SwitchPDF is free to download; GriDot costs $2.99 up front. GriDot sells 2 in-app purchases, starting at $0.99 per month. SwitchPDF asks for nothing beyond the download.
GriDot ships an update monthly, SwitchPDF every 9 days. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.
| Parameter | GriDot | SwitchPDF |
|---|---|---|
| Price | $2.99 | Free — better |
| Update frequency | Monthly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 13 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Ming Rong Ng | MBG Studio |
In-app purchases
GriDot
- Monthly Subscription$0.991 Month
- Yearly$4.491 Year
SwitchPDF
No in-app purchases









