4 Plus 4 vs Math Gremlin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
4 Plus 4
This app offers a clear, step-by-step approach to learning mathematics. It features structured modules for number basics, arithmetic, and fractions, with playful sections to apply learned concepts. Designed to make math understandable and enjoyable, it's ideal for beginners and for refreshing knowledge.
- Clear learning modules
- Step-by-step guidance
- Structured practice
- Playful application sections
- Progress tracking
- Ad-free experience
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Math often feels complicated. Not because it’s hard, but because it’s explained the wrong way. 4 Plus 4 is different. No overloaded explanations, no distractions, and no shortcuts. Just clear tasks that guide you forward step by step. The app is ad-free and does not collect personal data. It is built around clear learning modules such as Number Basics, Advanced Numbers, Basic Arithmetic and Fractions Basics, where key mathematical concepts are practiced in a structured and easy-to-follow way. In additional sections, you can apply what you have learned in a playful and entertaining way. 4 Plus 4 combines clear learning with motivation, progress, and fun — ideal for getting started, refreshing knowledge, or practicing in between. We continuously expand the app with new content to make learning mathematics as simple, understandable, and enjoyable as possible.
Math Gremlin
This game makes learning basic math fun by having players guide a character through challenges to find numbers that add up to a target sum before time expires. Levels increase in difficulty, offering replayability with unique problems each time. In-game currency can be earned or purchased to enhance gameplay.
- Number addition puzzles
- Time-based challenges
- Progressive difficulty levels
- Replayable unique problems
- In-game currency for boosts
- Character customization
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Looking for a fun way to learn basic math? Your Math Gremlin will have to avoid rocks, ghosts and more as it tries to find the numbers that add up to the correct amount before time runs out. As you advance, each level adds more challenges. Not ready for the challenges of the next level? Play previous levels to hone your skills until you are ready. Each level will have a similar, yet different, math problem to solve each time you play that level. It is free to play without any ads. You can use game coins earned by completing levels to extend game time, get extra lives or get gear for your Gremlin! Want game coins faster? They are also available to purchase or for free by watching ads. Play now for free!
Screenshots
Verdict
The clearest difference is rating: 4 Plus 4 at 5.0 against Math Gremlin's 3.8. 4 Plus 4 also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). Math Gremlin's advantage is ratings volume (4 vs 1). On price, review sentiment, update cadence 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. 4 Plus 4 sells 1 one-off in-app purchase and Math Gremlin sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
4 Plus 4 holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
4 Plus 4 ships an update monthly, Math Gremlin every 2 months. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.
| Parameter | 4 Plus 4 | Math Gremlin |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.8 (4 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 38 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | Patrick Koehnen | Blue Water Apps, LLC |
Customer experience
4 Plus 4
Math Gremlin
In-app purchases
4 Plus 4
- All Inclusive$1.99
Math Gremlin
- 25,000 Coins$0.99
- 100,000 Coins$2.99
- 500,000 Coins$9.99
Questions
Is 4 Plus 4 free?
Is Math Gremlin free?
Which has better reviews, 4 Plus 4 or Math Gremlin?
Do 4 Plus 4 or Math Gremlin have ads?
Which is updated more often, 4 Plus 4 or Math Gremlin?
Other comparisons
