The Holga and Diana are both two different cameras. The Diana camera came out first. However, the Diana camera is more expensive. The Diana camera is more compact and lighter than Holga. Holga cameras possess greater advance film compared to Diana. Diana is a Chinese camera which has been approved for commercial use since the 1960s. The more recent Holga came out in 1981. On average, the Holga is around $34. On the other hand, Diana is usually priced at around $50, and some can cost up to $100. Part of the reason is because of their sophisticated packaging. Holga is the sturdy type of camera because of its more durable construction. Diana is the preferred camera due to its wide array of settings and accessories.