RSA Lab vs CuePic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RSA Lab
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You can use RSA Lab to generate RSA keys, decrypt encrypted messages and encrypt messages. You can also store and name your RSA private and public keys in RSA Lab. All data in RSA Lab is synchronized on the iCloud.
CuePic
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More helpful than a thick manual: a simple “right here” from someone you know. CuePic is an app for gently showing where to tap, where to look, or what to follow by adding marks to an image. “Tap here.” “Look here.” “Follow these steps.” “The button in the top right,” “the item below that,” “the blue part” — words alone can be surprisingly hard to understand. With CuePic, you can choose an image, add a red circle or rectangle, and share it right away. Add a clear “right here” to the words you already know how to say. When you want to help a family member with a phone. When you want to show a friend where to look. When you want someone at work to check a specific spot. Start with one image and mark it with a red circle or rectangle. For someone you do not want to confuse, add a pointer or arrow to make it even clearer. For steps you do not want to explain over and over, you can turn multiple images into a simple guide. When explaining gets a little easier, the conversation can feel a little kinder. CuePic is a small image explanation app that helps reduce misunderstandings and deliver a simple “right here.” Main Features: ・Add red circles or rectangles to images ・Clearly show where to tap or where to look ・Share the image you made right away ・Use pointers and arrows to make things stand out ・Combine multiple images into step-by-step instructions ・Helpful for explaining phone steps to family ・Useful for work checks and quick guidance for friends Use CuePic when: ・You want to show someone where to tap on their phone ・You want to point out where to look in an image ・Words alone are hard to explain ・You want to say “right here” with one image ・You want to show multiple screens as steps ・You want to make explanation a little easier CuePic delivers a “right here” that is a little kinder for both the person explaining and the person receiving it.
Screenshots
Verdict
The clearest difference is price: RSA Lab at Free against CuePic's $3.99. RSA Lab also leads on in-app purchases (none vs 2) and iOS requirement (16.2 vs 18.0). CuePic's advantage is update cadence (fortnightly vs every 42 months). On ads 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
RSA Lab is free to download; CuePic costs $3.99 up front. CuePic sells 2 one-off in-app purchases. RSA Lab asks for nothing beyond the download.
RSA Lab ships an update every 42 months, CuePic fortnightly. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.
| Parameter | RSA Lab | CuePic |
|---|---|---|
| Price | Free — better | $3.99 |
| Update frequency | Every 42 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.2 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | 杨洋 冯 | Makoto Fukuoka |
In-app purchases
RSA Lab
No in-app purchases
CuePic
- Buy Me a Coffee$1.99
- CuePic Pro$2.99









