1 Minute Mental Arithmetic vs SPARK NEC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
1 Minute Mental Arithmetic
Practice mental arithmetic for one minute daily to sharpen your cognitive skills. This app is also designed to assist children in learning basic calculations and improving their math abilities.
- Daily 1-minute mental arithmetic practice
- Brain training exercises
- Assists children in learning calculations
- Improves cognitive skills
- Simple and focused interface
Read full descriptionHide full description
Do mental arithmetic for 1 minute every day to train your brain. It also helps the child learn the calculations.
SPARK NEC
Read full descriptionHide full description
SPARK NEC is an copilot for electricians on the field. Snap a photo of electrical work, get an instant NEC code check with pass/fail verdicts and cited references. Apprentices submit inspections, journeymen review and sign off. Every correction improves the AI.
Screenshots
Verdict
The clearest difference is ads: SPARK NEC at none against 1 Minute Mental Arithmetic's shown. SPARK NEC also leads on update cadence (every 8 days vs every 6 weeks). On price, in-app purchases, device support and iOS requirement 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.
1 Minute Mental Arithmetic ships an update every 6 weeks, SPARK NEC every 8 days. Both last shipped on October 24, 2026.
| Parameter | 1 Minute Mental Arithmetic | SPARK NEC |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (32 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 32 — better | — |
| Update frequency | Every 6 weeks | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 87 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Hirokazu Uno | Kayla Comalli |
In-app purchases
1 Minute Mental Arithmetic
No in-app purchases
SPARK NEC
No in-app purchases
Questions
Is 1 Minute Mental Arithmetic free?
Is SPARK NEC free?
Do 1 Minute Mental Arithmetic or SPARK NEC have ads?
Which is updated more often, 1 Minute Mental Arithmetic or SPARK NEC?
Other comparisons
