iTechSIM vs Lempart Flex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iTechSIM
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Prepaid travel data for 190+ destinations, delivered in seconds. iTechSIM gives you mobile data abroad without roaming charges, SIM swaps, or airport queues. Choose your destination, pick a plan, and your eSIM arrives instantly — install it before you fly and connect the moment you land. • Plans from $3 across 190+ destinations • Instant delivery — no waiting, no shipping • Keep your regular number for calls and texts • Track your data usage and top up anytime • Pay with card, Apple Pay, Google Pay or Paypal • Australian-owned, with real human support Your data runs on the carriers locals actually use — AIS in Thailand, NTT Docomo in Japan, Singtel in Singapore. Requires an eSIM-compatible, carrier-unlocked device.
Lempart Flex
This app offers unlimited data plans for travel, eliminating the need to track gigabytes. Enjoy full speed up to a daily limit, with a steady speed for essential services afterward. Plans are prepaid, refundable until installed, and can be purchased for others.
- Unlimited data plans for travel
- Fixed pricing, no hidden fees
- Full speed up to daily limit
- Install eSIM in minutes
- Keep your existing phone number
- Create private circles for sharing plans
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Unlimited data abroad, your way, at a low price. CHOOSE YOUR IP Pick where your connection comes out, for example a US IP or a local one. The best deal is marked for you. CHOOSE YOUR SPEED Every plan gives you full-speed data each day, then keeps going at the speed you pick. That ranges from 128 kbps for maps and messages up to 10 Mbps for heavy use. Need less speed? Pay less. • Basic: 500 MB a day at full speed, then up to 512 kbps. For maps, messages and rides. • Enhanced Speed: 1 GB a day at full speed, then up to 1 Mbps. More room for social media and video. • More data a day and faster speeds when you want them. LOW PRICES, NOTHING HIDDEN • You see the full price in your own currency before you pay. • No subscription and no automatic renewal. • Give 15%, get 15%: friends save on their first eSIM, and you get credit. ALSO • Hotspot works on every plan. • Fixed-data packages are available too. • 200+ destinations: countries, regions and global. • Keep your number for calls and texts (the eSIM is data only). • Install in minutes. We answer within one working day.
Screenshots
Verdict
The clearest difference is update cadence: Lempart Flex at every 5 days against iTechSIM's every 2 weeks. iTechSIM's advantage is iOS requirement (15.0 vs 17.0). 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.
iTechSIM ships an update every 2 weeks, Lempart Flex every 5 days. Both last shipped on October 31, 2026.
| Parameter | iTechSIM | Lempart Flex |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 43 MB | 92 MB |
| Age rating | 4+ | 17+ |
| Developer | iTechSIM | Lempart LLC |
In-app purchases
iTechSIM
No in-app purchases
Lempart Flex
No in-app purchases









