iAddThree vs Take Flight!! by gstreak
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
iAddThree
Engage your mind with a unique math game that challenges your focus and cognitive abilities. The objective is to add three to each number presented, with a special rule where numbers wrap around to zero instead of forming double digits. This simple yet effective exercise provides a mental workout.
- Cognitive training
- Focus improvement
- Unique math rules
- Brain exercise
- High score challenges
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Train your brain and improve your focus with the simple yet challenging math game, iAddThree. Adapted from an exercise that was used to measure cognitive focus in the popular book Thinking Fast and Slow by Daniel Kahneman, iAddThree engages your mind by bending the rules of basic math to give your brain the mental exercise it deserves. THE RULES------------- It's simple. Just add 3 to each of the four numbers that are presented. The challenge? No double digits. Instead, you must wrap around to 0. Normally, 8+3=11, but in iAddThree, 8+3=1. Think of it as a line of numbers that are constantly repeating. 8 -> 9 -> 0 -> 1 -> 2 -> 3. The struggle provided by this simple math game will have you boasting about your high score to all your friends. So, how well do you think you can iAddThree?
Take Flight!! by gstreak
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Put on your captain's hat, buckle your seatbelt, and stow your drink & snacks, because it's time to take to the sky aboard the GreenStreak zero emissions jet. Navigate treacherous caverns, rolling hillsides, and more, all the while attempting to collect as many lucrative GStreak tokens as possible, but be careful not to crash as you do so!
Screenshots
Verdict
The clearest difference is in-app purchases: Take Flight!! by gstreak at none against iAddThree's 1. Take Flight!! by gstreak also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). iAddThree's advantage is update cadence (every 3 weeks vs every 3 months). On price 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
Both are free to download. iAddThree sells 1 one-off in-app purchase. Take Flight!! by gstreak asks for nothing beyond the download.
iAddThree ships an update every 3 weeks, Take Flight!! by gstreak every 3 months. The most recent releases landed on October 14, 2026 and October 21, 2026 respectively.
| Parameter | iAddThree | Take Flight!! by gstreak |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 557 MB |
| Age rating | 4+ | 17+ |
| Developer | Nikolai Nobadi | The GreenStreak, Corp. |
In-app purchases
iAddThree
- Remove Ads$0.99
Take Flight!! by gstreak
No in-app purchases
Questions
Is iAddThree free?
Is Take Flight!! by gstreak free?
Do iAddThree or Take Flight!! by gstreak have ads?
Which is updated more often, iAddThree or Take Flight!! by gstreak?
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