ROARR! vs Decision Randomiser
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ROARR!
Explore a vast dinosaur-themed park with 20 attractions, including play areas, eateries, and a deer park. Enjoy a variety of activities like high ropes, mazes, and fossil digs for a fun-filled day out, regardless of the weather.
- 20 dinosaur-themed attractions
- 85 acres of parkland
- Play areas and eateries
- Animal farm and deer park
- High ropes course
- Maze and dino bone digging
Read full descriptionHide full description
Discover ROARR! - the UK’s largest dinosaur park - and plan an unforgettable family adventure. The ROARR! app helps you make the most of your visit, with everything you need in one place. Explore a huge range of indoor and outdoor dinosaur-themed attractions, perfect for a fun-filled family day out in Norfolk, whatever the weather. From thrilling rides like Swing-O-Saurus and Raptor Contraptor, to Dinomite, the largest indoor soft play centre in Norfolk, there’s something for explorers of all ages. Step back in time in Valley of the Dinosaurs, take on Predator High Ropes, enjoy dinosaur-themed Crazy Golf, cool off in Dippy’s Splash Zone, or race around Dippy’s Raceway. You can also meet Dippy & Friends at their live theatre show - a favourite with younger visitors. With interactive features designed to support your visit, the ROARR! app helps families plan ahead, explore with ease, and enjoy more adventure on the day. Best of all, every ride and attraction is included in your ticket price, so the fun can last all day long.
Decision Randomiser
This app helps you make choices by using a virtual spinner. You can input your options and let the spinner randomly select one. It also offers a secret 'cheat' mode to influence the outcome and advanced features for complex decision-making.
- Input custom options for spinning
- Randomly select outcomes
- Secretly influence spinner results
- Save decisions for future use
- Customize spinner colors and sounds
- Series of spins with or without repeats
- Change outcome likelihood
Read full descriptionHide full description
Struggling to make a decision? Just enter the options and let the spinner decide. Can't agree what film to watch with your partner? Just enter the options and then secretly set it up to land on your choice and let the spinner look like it is deciding randomly! Free version features - Set up as many spinner decisions as you want - Spin the spinner as many times as you want - Automatically saves the inputs for future use - Change the spinner colours for each option - Change the result sounds for each option - Change the background colour - No ads - No annoying pop-ups - Cheat! (decide which option you want the spinner to land on in secret before handing it over to someone else to do the spin - it looks perfectly random but will land on your selected option!) Premium version additional features - Set up a series of spins with or without repeats (e.g. if you need to pick 3 people out of a group for a task) - Sort the options into an order by spinning without repeats (e.g. if you need to decide what order a group should have their turn in a competition) - Change the likelihood of each outcome (i.e. change the size of the spinner segments so it is more likely to land on some than others) - Temporarily remove some options (e.g. if you want to ignore some options for this particular spin but don't want to delete them from the full list so you can still include them next time) - Split group into teams with captains Credits to ZapSplat for the sound effects and Freepik for background image
Screenshots
Verdict
The clearest difference is in-app purchases: ROARR! at none against Decision Randomiser's 1. Decision Randomiser's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, update cadence and 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
Both are free to download. Decision Randomiser sells 1 one-off in-app purchase. ROARR! asks for nothing beyond the download.
ROARR! ships an update every 3 weeks, Decision Randomiser monthly. The most recent releases landed on September 14, 2026 and October 5, 2026 respectively.
| Parameter | ROARR! | Decision Randomiser |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Freemium |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 63 MB | 283 MB |
| Age rating | 4+ | 4+ |
| Developer | Dinosaur Adventure | Ragelob Studio Limited |
Customer experience
ROARR!
Decision Randomiser
In-app purchases
ROARR!
No in-app purchases
Decision Randomiser
- Premium versionFree
Questions
Is ROARR! free?
Is Decision Randomiser free?
Do ROARR! or Decision Randomiser have ads?
Which is updated more often, ROARR! or Decision Randomiser?
Other comparisons















