OEC Explorer vs Simple Math
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OEC Explorer
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海量原著，想读就读，让孩子爱上英文，爱上阅读。 无限量的精彩书籍伸手可及探索数千种兴趣和国外文化在阅读中沉浸美式教育,让家长在家也能和孩子以愉快、高效、有趣的形式进行指引性学习。打造随时随地有趣的课外学习图书馆。寓教于乐，带动孩子学习的主动性和能动性。 [产品特色] 针对3-16岁的儿童。学员课程学习的巩固和延伸。学员可以通过APP英语绘本点读翻阅课程，以及拓展知识更丰富的外国课外书。 学语言，听、写、读很重要，通过挑战做题听、写、读，可以自检每人学习成效。学习打卡，学习计划可以推动家长指引孩子在外更专业、主动地学习。
Simple Math
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Learning mathematics is no longer difficult! We provide addition, subtraction, multiplication and division algorithms as well as the multiplication table of 9 times 9, making learning mathematics simple and fun. If you encounter any difficulties, we also provide a wrong question book to help you correct any errors. Start your mathematical journey now!
Screenshots
Verdict
The clearest difference is update cadence: Simple Math at fortnightly against OEC Explorer's every 2 months. OEC Explorer's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
OEC Explorer ships an update every 2 months, Simple Math fortnightly. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.
| Parameter | OEC Explorer | Simple Math |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 198 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | 广东柏高保设备工程有限公司 | 永生 刘 |
In-app purchases
OEC Explorer
No in-app purchases
Simple Math
No in-app purchases
Questions
Is OEC Explorer free?
Is Simple Math free?
Do OEC Explorer or Simple Math have ads?
Which is updated more often, OEC Explorer or Simple Math?
Other comparisons
