Digi Make 10 vs Element OTG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Digi Make 10
This educational app helps visualize ten's complements, which are numbers that add up to ten. Understanding this concept aids in addition, subtraction, and mental math skills. It offers a visual progression for learning number operations.
- Visualizes ten's complements
- Aids addition and subtraction
- Facilitates mental math
- Progressive learning steps
- Visual number operations
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This app is about visualizing ten’s complements. About ten's complements: The "ten's complement" is the number that you must add to get 10. For example, the ten's complement of 6 is 4. And the ten's complement of 3 is 7. Having a clear visual image of single-digit numbers and their ten's complements is known to be very helpful in doing addition and subtraction. It is also a key step in facilitating mental math. About us: Digi-Block provides a method for learning about numbers and operations – addition, subtraction, multiplication, and division. There is a progression of steps. Each step is easy to grasp visually. The magic of math is that after mastering a relatively small number of steps, the learner is able to solve difficult problems! Check out digi-block.com to see what else we have to offer.
Element OTG
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• Complete Periodic Table - All 118 elements with detailed information • Interactive Learning Center - Chemistry quizzes and symbol practice • Smart Search & Filter - Find elements by name, symbol, or properties • Dark Mode Support - Choose light, dark, or follow system theme • Responsive Design - Perfect for phones, tablets, and desktops
Screenshots
Verdict
The clearest difference is ads: Digi Make 10 at none against Element OTG's shown. Digi Make 10 also leads on iOS requirement (6.0 vs 13.0). Element OTG's advantage is device support (3 vs 1). On price, 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. Neither carries in-app purchases, so what you see is what you pay.
Digi Make 10 ships an update every 2 months, Element OTG monthly. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.
| Parameter | Digi Make 10 | Element OTG |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 6.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 36 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Digi-Block, Inc. | Japality Limited |
In-app purchases
Digi Make 10
No in-app purchases
Element OTG
No in-app purchases
Questions
Is Digi Make 10 free?
Is Element OTG free?
Do Digi Make 10 or Element OTG have ads?
Which is updated more often, Digi Make 10 or Element OTG?
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