Perimeter vs Done Plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Perimeter
This AI-powered security app detects potential threats before they occur. It uses unique lights and sounds to warn individuals and deter crime before it happens.
- AI threat detection
- Proactive crime deterrence
- Neighbor Safe™ lights
- Audible warnings
- Driveway monitoring
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Finally, deter theft before it happens. By detecting and warning people before they enter your driveway, your AI named Ava can determine whether to deter any would-be criminals using unique Neighbor Safe™ lights and sounds.
Done Plus
A powerful yet lightweight calculator with customizable themes and a relaxing wave effect. Enjoy a visually appealing and fun calculation experience, with full Dark Mode support. An ad-free Pro version is available.
- Full Dark Mode support
- Light and colorful themes
- Relaxing wave effect
- Customizable graphics
- Regular updates
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Are you looking for a cool, light but powerful calculator? Well then you are in the right place! I am happy to introduce you to Plus, the calculator tailor-made for you. With Plus you can have fun with calculations, while enjoying light and customizable graphics Some of its features are: - Full support for Dark Mode - Light and colorful themes - A wave effect ready to relax as you engage in the most complex calculations - and many more to come! I will constantly update the app to make it the way you like it every time, so do not hesitate to contact me to let me know how you would like to improve it or if you find any bugs, I will endeavor to satisfy your requests as quickly as possible;) Well, now you just have to run and try it, and if you prefer an ad-free experience, don't hesitate to enjoy the Pro version! See you inside the app;)
Screenshots
Verdict
The clearest difference is ads: Perimeter at none against Done Plus's shown. Perimeter also leads on monetization model (free vs ad-supported) and iOS requirement (11.0 vs 15.0). Done Plus's advantage is update cadence (every 3 days vs every 3 weeks) and device support (4 vs 2). On price, rating, ratings volume and in-app purchases 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.
On the App Store both sit at effectively the same score — 5.0 for Perimeter against 5.0 for Done Plus. Both are backed by a comparable volume of ratings — 2 and 3 respectively.
Perimeter ships an update every 3 weeks, Done Plus every 3 days. Both last shipped on November 3, 2026.
| Parameter | Perimeter | Done Plus |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (3 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 54 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | PERIMETER AI INC. | Done Developer |
Customer experience
Perimeter
Done Plus
In-app purchases
Perimeter
No in-app purchases
Done Plus
No in-app purchases
Questions
Is Perimeter free?
Is Done Plus free?
Which has better reviews, Perimeter or Done Plus?
Do Perimeter or Done Plus have ads?
Which is updated more often, Perimeter or Done Plus?
Other comparisons
