Comparison

Premier Tefl vs Border Field State Park

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Border Field State Park

Divided Together

Free

📚 Education

No ratingsView app →

About

Premier Tefl

Prepare for a career teaching English abroad with comprehensive, accredited online courses. Gain the confidence and skills needed to become an impactful global educator.

Highlights

Internationally recognized accreditation
Comprehensive online courses
Easy-to-follow curriculum
Develop teaching confidence
Prepare for global travel

Features

Read full description

With 25 years of TEFL journeys between us, we know the ins and outs of teaching English abroad. We train our English teachers to be confident, impactful travelers who are ready to explore the entire world. Our internationally recognized, fully accredited online courses are comprehensive, easy to follow, and give you the exact information you need to start teaching English as a foreign language.

About

Border Field State Park

Features

Read full description

This is the Border Field State Park: Divided Together self-guided tour. This tour contains highlights from the Divided Together podcast.

Screenshots

Premier Tefl4 screens

Border Field State Park4 screens

Verdict

The call

The clearest difference is in-app purchases: Border Field State Park at none against Premier Tefl's 4. Premier Tefl's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Premier Tefl sells 4 one-off in-app purchases. Border Field State Park asks for nothing beyond the download.

UpkeepUpdate frequency

Premier Tefl ships an update every 12 months, Border Field State Park every 6 months. The most recent releases landed on October 4, 2026 and October 20, 2026 respectively.

Scorecard2 real differences · 6 level

Premier Tefl versus Border Field State Park: the parameters behind the verdict, then further details
Parameter	Premier Tefl	Border Field State Park
Price	Free	Free
Positive reviews	50.0% of reviews	—
Update frequency	Every 12 months	Every 6 months — better
Ads	No	No
In-app purchases	Yes	No — better
Monetization	Free with in-app purchases	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	13.0 — better	15.1
Further details — not scored
Size	69 MB	136 MB
Age rating	17+	4+
Developer	Premier Education Partners Ltd	Friends of San Diego Wildlife Refuges, Inc.

In-app purchases

4 purchases

Premier Tefl

One-time4

Become an IELTS Coach$59.99
Teaching Young Learners$129.99
120 Hour Advanced TEFL Course$189.99

Show 1 more

168 Hour Level 5 TEFL Course$349.99

None

Border Field State Park

No in-app purchases

Questions

Is Premier Tefl free?

Premier Tefl is free to download, with in-app purchases available.

Is Border Field State Park free?

Border Field State Park is free to download, with no in-app purchases.

Do Premier Tefl or Border Field State Park have ads?

Neither Premier Tefl nor Border Field State Park shows ads.

Which is updated more often, Premier Tefl or Border Field State Park?

Premier Tefl ships an update every 12 months, and Border Field State Park every 6 months. Most recently, Premier Tefl was updated on October 4, 2026 and Border Field State Park on October 20, 2026.